./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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_01784f2e-8cd0-4a73-8f85-2911a63625af/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 67182ecddacd183b040cde8f7755f7f51d78e964a990644d45f32f5cb2d1de47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:00:58,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:58,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:00:58,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:58,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:58,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:58,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:58,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:58,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:58,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:58,410 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:58,410 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:58,411 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:58,412 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:58,412 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:58,413 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:58,414 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:58,414 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:58,415 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:58,415 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:58,416 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:58,417 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:58,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:58,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:58,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:00:58,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:58,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:00:58,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:58,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:58,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:58,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:58,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:00:58,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:58,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:58,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:58,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:00:58,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:58,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:58,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:58,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:58,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:58,427 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:58,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:58,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:58,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:58,429 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:58,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:58,429 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_01784f2e-8cd0-4a73-8f85-2911a63625af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67182ecddacd183b040cde8f7755f7f51d78e964a990644d45f32f5cb2d1de47 [2023-11-25 00:00:58,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:58,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:58,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:58,757 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:58,758 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:58,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i [2023-11-25 00:01:02,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:02,463 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:02,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i [2023-11-25 00:01:02,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data/5ac636c65/0e020112a56149859b89d05218c8d1b6/FLAG891766569 [2023-11-25 00:01:02,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data/5ac636c65/0e020112a56149859b89d05218c8d1b6 [2023-11-25 00:01:02,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:02,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:02,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:02,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:02,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:02,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce2c116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02, skipping insertion in model container [2023-11-25 00:01:02,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:02,729 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_01784f2e-8cd0-4a73-8f85-2911a63625af/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i[913,926] [2023-11-25 00:01:02,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:02,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:02,821 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_01784f2e-8cd0-4a73-8f85-2911a63625af/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i[913,926] [2023-11-25 00:01:02,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:02,879 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:02,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02 WrapperNode [2023-11-25 00:01:02,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:02,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:02,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:02,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:02,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,966 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-25 00:01:02,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:02,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:02,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:02,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:02,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:02,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:03,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:03,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:03,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:03,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:03,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:03,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:03,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:03,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:03,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (1/1) ... [2023-11-25 00:01:03,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:03,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:03,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:03,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:03,297 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:03,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:03,761 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:04,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:04,007 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:04,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:04 BoogieIcfgContainer [2023-11-25 00:01:04,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:04,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:04,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:04,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:04,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:02" (1/3) ... [2023-11-25 00:01:04,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c4401f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:04, skipping insertion in model container [2023-11-25 00:01:04,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:02" (2/3) ... [2023-11-25 00:01:04,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c4401f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:04, skipping insertion in model container [2023-11-25 00:01:04,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:04" (3/3) ... [2023-11-25 00:01:04,023 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-82.i [2023-11-25 00:01:04,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:04,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:04,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:04,099 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;@17b41454, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:04,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-25 00:01:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-25 00:01:04,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:04,120 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:04,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:04,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash -632286471, now seen corresponding path program 1 times [2023-11-25 00:01:04,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:04,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845395280] [2023-11-25 00:01:04,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:04,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:04,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:01:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:05,006 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:01:05,008 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:01:05,009 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:01:05,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:01:05,017 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:01:05,022 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:01:05,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:01:05 BoogieIcfgContainer [2023-11-25 00:01:05,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:01:05,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:01:05,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:01:05,177 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:01:05,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:04" (3/4) ... [2023-11-25 00:01:05,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:01:05,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:01:05,182 INFO L158 Benchmark]: Toolchain (without parser) took 2677.46ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 130.8MB in the end (delta: 17.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-25 00:01:05,182 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:05,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.85ms. Allocated memory is still 186.6MB. Free memory was 147.8MB in the beginning and 134.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:01:05,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.85ms. Allocated memory is still 186.6MB. Free memory was 134.2MB in the beginning and 131.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:01:05,184 INFO L158 Benchmark]: Boogie Preprocessor took 65.49ms. Allocated memory is still 186.6MB. Free memory was 131.6MB in the beginning and 130.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:01:05,185 INFO L158 Benchmark]: RCFGBuilder took 975.53ms. Allocated memory is still 186.6MB. Free memory was 130.0MB in the beginning and 100.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-25 00:01:05,186 INFO L158 Benchmark]: TraceAbstraction took 1162.80ms. Allocated memory is still 186.6MB. Free memory was 99.0MB in the beginning and 131.7MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:05,186 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 130.8MB in the end (delta: 925.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:05,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.85ms. Allocated memory is still 186.6MB. Free memory was 147.8MB in the beginning and 134.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.85ms. Allocated memory is still 186.6MB. Free memory was 134.2MB in the beginning and 131.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.49ms. Allocated memory is still 186.6MB. Free memory was 131.6MB in the beginning and 130.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 975.53ms. Allocated memory is still 186.6MB. Free memory was 130.0MB in the beginning and 100.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1162.80ms. Allocated memory is still 186.6MB. Free memory was 99.0MB in the beginning and 131.7MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 130.8MB in the end (delta: 925.5kB). 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 someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 8; [L24] unsigned char var_1_3 = 4; [L25] double var_1_4 = 5.5; [L26] float var_1_5 = 49.2; [L27] double var_1_6 = 15.1; [L28] double var_1_7 = 49.5; [L29] double var_1_8 = 999999999999.4; [L30] double var_1_9 = 255.3; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] signed long int var_1_14 = -16; [L36] signed long int var_1_15 = 25; [L37] signed long int var_1_16 = -8; [L38] signed long int var_1_17 = 1000000000; [L39] signed long int var_1_18 = 256; [L40] signed long int var_1_19 = 25; [L41] signed long int var_1_20 = 4; [L42] unsigned char var_1_21 = 1; [L43] unsigned char var_1_22 = 0; [L44] signed long int var_1_23 = 50; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L89] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L92] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L93] var_1_4 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L95] var_1_5 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L97] var_1_6 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L99] var_1_8 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L101] var_1_9 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L103] var_1_11 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L105] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L106] var_1_12 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L108] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L109] var_1_13 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L111] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L112] var_1_15 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L114] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L115] var_1_17 = __VERIFIER_nondet_long() [L116] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L117] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L118] var_1_18 = __VERIFIER_nondet_long() [L119] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L120] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L121] var_1_19 = __VERIFIER_nondet_long() [L122] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L123] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L124] var_1_20 = __VERIFIER_nondet_long() [L125] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L126] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L129] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=-265, var_1_16=-8, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=54/5, var_1_20=1073741822, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L142] RET updateVariables() [L143] CALL step() [L48] COND FALSE !(var_1_2 == var_1_3) [L51] COND FALSE !((var_1_4 - var_1_5) > var_1_6) [L54] var_1_1 = var_1_4 [L57] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L58] var_1_10 = (var_1_11 && (var_1_12 || var_1_13)) [L59] COND TRUE var_1_8 <= ((((var_1_4) > ((var_1_6 + var_1_5))) ? (var_1_4) : ((var_1_6 + var_1_5)))) [L60] COND TRUE \read(var_1_10) [L61] var_1_14 = (var_1_15 + (8 + var_1_3)) [L68] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((var_1_7 * var_1_9)))) [L69] var_1_16 = ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_2) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) [L75] COND FALSE !(((50 / -10) + var_1_16) >= var_1_14) [L82] var_1_21 = var_1_11 [L84] var_1_23 = var_1_2 [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return (((((((var_1_2 == var_1_3) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_6) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_12 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_6 + var_1_5))) ? (var_1_4) : ((var_1_6 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_3)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_2)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_2) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_16) >= var_1_14) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) var_1_2)) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-256, var_1_15=-265, var_1_16=-536870910, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=1000000000004, var_1_20=1073741822, var_1_21=1, var_1_22=1, var_1_23=0, var_1_2=0, var_1_3=1, var_1_4=1000000000004] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=-256, var_1_15=-265, var_1_16=-536870910, var_1_17=1073741823, var_1_18=536870911, var_1_19=1073741823, var_1_1=1000000000004, var_1_20=1073741822, var_1_21=1, var_1_22=1, var_1_23=0, var_1_2=0, var_1_3=1, var_1_4=1000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 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 00:01:05,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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_01784f2e-8cd0-4a73-8f85-2911a63625af/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 67182ecddacd183b040cde8f7755f7f51d78e964a990644d45f32f5cb2d1de47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:08,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:08,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:01:08,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:08,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:08,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:08,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:08,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:08,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:08,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:08,336 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:08,336 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:08,336 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:08,340 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:08,341 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:08,341 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:08,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:08,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:08,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:08,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:08,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:08,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:08,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:08,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:08,346 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:01:08,346 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:01:08,347 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:01:08,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:08,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:08,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:08,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:08,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:01:08,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:08,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:08,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:08,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:08,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:08,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:08,351 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:01:08,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:01:08,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:08,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:08,353 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:08,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:08,353 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_01784f2e-8cd0-4a73-8f85-2911a63625af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67182ecddacd183b040cde8f7755f7f51d78e964a990644d45f32f5cb2d1de47 [2023-11-25 00:01:08,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:08,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:08,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:08,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:08,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:08,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i [2023-11-25 00:01:11,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:12,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:12,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i [2023-11-25 00:01:12,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data/3f70b0d95/a65e558733894865867d050c497df885/FLAGeaad284a6 [2023-11-25 00:01:12,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/data/3f70b0d95/a65e558733894865867d050c497df885 [2023-11-25 00:01:12,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:12,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:12,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:12,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:12,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:12,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdb99d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12, skipping insertion in model container [2023-11-25 00:01:12,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:12,579 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_01784f2e-8cd0-4a73-8f85-2911a63625af/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i[913,926] [2023-11-25 00:01:12,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:12,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:12,740 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_01784f2e-8cd0-4a73-8f85-2911a63625af/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-82.i[913,926] [2023-11-25 00:01:12,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:12,846 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:12,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12 WrapperNode [2023-11-25 00:01:12,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:12,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:12,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:12,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:12,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,945 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-25 00:01:12,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:12,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:12,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:12,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:12,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:12,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:13,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:13,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:13,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:13,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:13,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:13,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:13,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:13,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:13,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (1/1) ... [2023-11-25 00:01:13,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:13,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:13,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:13,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:01:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:13,273 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:13,276 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:22,822 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:22,923 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:22,923 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:22,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:22 BoogieIcfgContainer [2023-11-25 00:01:22,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:22,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:22,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:22,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:22,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:12" (1/3) ... [2023-11-25 00:01:22,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6860edeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:22, skipping insertion in model container [2023-11-25 00:01:22,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:12" (2/3) ... [2023-11-25 00:01:22,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6860edeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:22, skipping insertion in model container [2023-11-25 00:01:22,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:22" (3/3) ... [2023-11-25 00:01:22,936 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-82.i [2023-11-25 00:01:22,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:22,959 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:23,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:23,020 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;@34ebe7af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:23,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-25 00:01:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-25 00:01:23,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:23,045 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:23,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:23,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1251784144, now seen corresponding path program 1 times [2023-11-25 00:01:23,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:01:23,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267092509] [2023-11-25 00:01:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:23,067 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 00:01:23,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:01:23,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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 00:01:23,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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 00:01:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:23,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:01:24,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 628 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2023-11-25 00:01:24,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:01:24,101 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:01:24,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267092509] [2023-11-25 00:01:24,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267092509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:24,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:24,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:01:24,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164830929] [2023-11-25 00:01:24,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:24,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:01:24,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:01:24,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:01:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:24,153 INFO L87 Difference]: Start difference. First operand has 65 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-25 00:01:26,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:01:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:26,539 INFO L93 Difference]: Finished difference Result 127 states and 229 transitions. [2023-11-25 00:01:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:01:26,626 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 161 [2023-11-25 00:01:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:26,635 INFO L225 Difference]: With dead ends: 127 [2023-11-25 00:01:26,635 INFO L226 Difference]: Without dead ends: 63 [2023-11-25 00:01:26,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 00:01:26,644 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:26,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-25 00:01:26,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-25 00:01:26,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-25 00:01:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-25 00:01:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2023-11-25 00:01:26,706 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 161 [2023-11-25 00:01:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:26,707 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2023-11-25 00:01:26,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-25 00:01:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-11-25 00:01:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-25 00:01:26,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:26,714 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:26,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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)] Ended with exit code 0 [2023-11-25 00:01:26,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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 00:01:26,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:26,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:26,937 INFO L85 PathProgramCache]: Analyzing trace with hash -418798566, now seen corresponding path program 1 times [2023-11-25 00:01:26,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:01:26,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068037878] [2023-11-25 00:01:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:26,939 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 00:01:26,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:01:26,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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 00:01:26,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01784f2e-8cd0-4a73-8f85-2911a63625af/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 00:01:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:28,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-25 00:01:28,046 INFO L285 TraceCheckSpWp]: Computing forward predicates...