./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 16023f56924a3382a4d18bc4360d256726ec148eab6fe3ed9acd8f7224a72ed1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:22:22,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:22:22,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:22:22,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:22:22,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:22:22,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:22:22,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:22:22,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:22:22,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:22:22,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:22:22,639 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:22:22,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:22:22,641 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:22:22,643 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:22:22,643 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:22:22,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:22:22,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:22:22,645 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:22:22,645 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:22:22,646 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:22:22,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:22:22,647 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:22:22,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:22:22,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:22:22,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:22:22,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:22:22,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:22:22,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:22:22,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:22:22,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:22:22,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:22:22,653 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:22:22,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:22:22,653 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:22:22,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:22:22,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:22:22,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:22:22,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:22,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:22:22,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:22:22,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:22:22,656 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:22:22,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:22:22,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:22:22,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:22:22,657 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:22:22,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:22:22,658 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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16023f56924a3382a4d18bc4360d256726ec148eab6fe3ed9acd8f7224a72ed1 [2023-11-24 23:22:22,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:22:22,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:22:22,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:22:22,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:22:22,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:22:22,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i [2023-11-24 23:22:26,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:26,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:26,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i [2023-11-24 23:22:26,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data/bcf764723/1bbb4c26f0814740a5f0f0e4a56a7115/FLAG95610c3e1 [2023-11-24 23:22:26,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data/bcf764723/1bbb4c26f0814740a5f0f0e4a56a7115 [2023-11-24 23:22:26,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:26,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:26,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:26,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:26,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:26,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dde52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26, skipping insertion in model container [2023-11-24 23:22:26,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:26,673 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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i[919,932] [2023-11-24 23:22:26,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:26,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:26,777 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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i[919,932] [2023-11-24 23:22:26,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:26,830 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:26,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26 WrapperNode [2023-11-24 23:22:26,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:26,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:26,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:26,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:26,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,921 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-24 23:22:26,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:26,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:26,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:26,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:26,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:27,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:27,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:27,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:27,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:27,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:27,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:22:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:27,250 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:27,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:27,667 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:27,951 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:27,951 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:27,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:27 BoogieIcfgContainer [2023-11-24 23:22:27,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:27,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:27,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:27,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:27,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:26" (1/3) ... [2023-11-24 23:22:27,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1062bec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:27, skipping insertion in model container [2023-11-24 23:22:27,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (2/3) ... [2023-11-24 23:22:27,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1062bec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:27, skipping insertion in model container [2023-11-24 23:22:27,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:27" (3/3) ... [2023-11-24 23:22:27,964 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-22.i [2023-11-24 23:22:27,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:27,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:28,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:28,069 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;@d70b4e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:28,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-24 23:22:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:22:28,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:28,087 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:28,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:28,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:28,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1096679702, now seen corresponding path program 1 times [2023-11-24 23:22:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:28,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423278142] [2023-11-24 23:22:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:22:28,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:22:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:22:29,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:22:29,152 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:22:29,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:22:29,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:22:29,161 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:22:29,168 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:22:29,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:22:29 BoogieIcfgContainer [2023-11-24 23:22:29,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:22:29,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:22:29,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:22:29,294 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:22:29,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:27" (3/4) ... [2023-11-24 23:22:29,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:22:29,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:22:29,302 INFO L158 Benchmark]: Toolchain (without parser) took 2836.12ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 123.7MB in the beginning and 108.3MB in the end (delta: 15.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,302 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:29,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.00ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 109.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.13ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 105.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,306 INFO L158 Benchmark]: Boogie Preprocessor took 79.94ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,310 INFO L158 Benchmark]: RCFGBuilder took 949.98ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 102.4MB in the beginning and 176.2MB in the end (delta: -73.8MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,312 INFO L158 Benchmark]: TraceAbstraction took 1334.92ms. Allocated memory is still 209.7MB. Free memory was 175.5MB in the beginning and 109.4MB in the end (delta: 66.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,313 INFO L158 Benchmark]: Witness Printer took 7.05ms. Allocated memory is still 209.7MB. Free memory was 108.3MB in the beginning and 108.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:29,322 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 157.3MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.00ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 109.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.13ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 105.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.94ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 949.98ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 102.4MB in the beginning and 176.2MB in the end (delta: -73.8MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1334.92ms. Allocated memory is still 209.7MB. Free memory was 175.5MB in the beginning and 109.4MB in the end (delta: 66.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 7.05ms. Allocated memory is still 209.7MB. Free memory was 108.3MB in the beginning and 108.3MB in the end (delta: 2.7kB). 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 53, overapproximation of shiftLeft at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int var_1_4 = 256; [L24] unsigned short int var_1_6 = 10000; [L25] unsigned short int var_1_7 = 10000; [L26] unsigned short int var_1_8 = 128; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_11 = 64; [L30] unsigned char var_1_12 = 16; [L31] unsigned short int var_1_13 = 256; [L32] unsigned short int var_1_17 = 4; [L33] double var_1_18 = 64.2; [L34] unsigned short int var_1_19 = 53045; [L35] double var_1_20 = 1.75; [L36] double var_1_21 = 50.35; [L37] double var_1_22 = 5.5; [L38] double var_1_23 = 7.125; [L39] unsigned long int var_1_24 = 50; [L40] unsigned long int var_1_25 = 1907531378; [L41] unsigned long int var_1_26 = 8; [L42] unsigned char var_1_27 = 0; [L43] unsigned long int last_1_var_1_24 = 50; [L44] unsigned char last_1_var_1_27 = 0; [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] CALL updateLastVariables() [L122] last_1_var_1_24 = var_1_24 [L123] last_1_var_1_27 = var_1_27 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L84] var_1_4 = __VERIFIER_nondet_ushort() [L85] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L86] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L87] var_1_6 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_7 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L92] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L93] var_1_8 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_9=8] [L95] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=8] [L96] var_1_9 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383] [L98] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L99] var_1_11 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L101] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L102] var_1_12 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L104] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L105] var_1_18 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L107] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L108] var_1_19 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L110] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L111] var_1_21 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L113] var_1_22 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L115] var_1_23 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L117] var_1_25 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L119] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=127, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L134] RET updateVariables() [L135] CALL step() [L48] COND FALSE !(\read(last_1_var_1_27)) [L51] var_1_20 = var_1_22 [L53] COND TRUE (- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22))) [L54] var_1_27 = 0 [L56] EXPR var_1_8 << var_1_4 [L56] COND TRUE var_1_9 < (var_1_8 << var_1_4) [L57] var_1_10 = (var_1_11 + var_1_12) [L61] COND TRUE (var_1_10 <= var_1_10) || var_1_27 [L62] var_1_13 = ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))) [L66] COND FALSE !(var_1_7 == last_1_var_1_24) [L69] var_1_24 = (var_1_10 + (var_1_25 - var_1_11)) [L71] COND FALSE !(var_1_10 > (var_1_19 - var_1_7)) [L74] COND TRUE var_1_20 < var_1_20 [L75] var_1_1 = ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) [L79] COND TRUE (var_1_20 / var_1_18) > var_1_20 [L80] var_1_17 = ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7) [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L126] EXPR var_1_8 << var_1_4 [L126] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L126-L127] return ((((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_10 <= var_1_10) || var_1_27) ? (var_1_13 == ((unsigned short int) ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))))) : (var_1_13 == ((unsigned short int) var_1_10)))) && (((var_1_20 / var_1_18) > var_1_20) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7))) : 1)) && (last_1_var_1_27 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == last_1_var_1_24) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_10 + (var_1_25 - var_1_11)))))) && ((var_1_10 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_10)) : 1)) && (((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=127, var_1_11=0, var_1_12=127, var_1_13=127, var_1_17=32640, var_1_19=49150, var_1_1=127, var_1_20=2147483779, var_1_22=2147483779, var_1_24=2147483774, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=127, var_1_11=0, var_1_12=127, var_1_13=127, var_1_17=32640, var_1_19=49150, var_1_1=127, var_1_20=2147483779, var_1_22=2147483779, var_1_24=2147483774, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=65534, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 [2023-11-24 23:22:29,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 16023f56924a3382a4d18bc4360d256726ec148eab6fe3ed9acd8f7224a72ed1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:22:32,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:22:32,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:22:32,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:22:32,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:22:32,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:22:32,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:22:32,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:22:32,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:22:32,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:22:32,331 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:22:32,332 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:22:32,332 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:22:32,334 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:22:32,334 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:22:32,335 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:22:32,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:22:32,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:22:32,337 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:22:32,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:22:32,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:22:32,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:22:32,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:22:32,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:22:32,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:22:32,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:22:32,341 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:22:32,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:22:32,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:22:32,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:22:32,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:22:32,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:22:32,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:22:32,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:22:32,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:32,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:22:32,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:22:32,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:22:32,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:22:32,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:22:32,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:22:32,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:22:32,348 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:22:32,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:22:32,349 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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16023f56924a3382a4d18bc4360d256726ec148eab6fe3ed9acd8f7224a72ed1 [2023-11-24 23:22:32,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:22:32,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:22:32,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:22:32,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:22:32,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:22:32,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i [2023-11-24 23:22:36,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:36,476 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:36,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i [2023-11-24 23:22:36,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data/7d56bf35d/5058b97e68714d378416a400c1a0f892/FLAGc8caea2c4 [2023-11-24 23:22:36,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/data/7d56bf35d/5058b97e68714d378416a400c1a0f892 [2023-11-24 23:22:36,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:36,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:36,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:36,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:36,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:36,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:36,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b696e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36, skipping insertion in model container [2023-11-24 23:22:36,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:36,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:36,784 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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i[919,932] [2023-11-24 23:22:36,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:36,912 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:36,927 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_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-22.i[919,932] [2023-11-24 23:22:36,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:37,002 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:37,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37 WrapperNode [2023-11-24 23:22:37,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:37,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:37,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:37,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:37,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,088 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-24 23:22:37,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:37,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:37,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:37,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:37,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:37,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:37,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:37,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:37,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (1/1) ... [2023-11-24 23:22:37,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:37,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:22:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:37,401 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:37,405 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:44,659 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:44,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:44,708 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:44,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:44 BoogieIcfgContainer [2023-11-24 23:22:44,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:44,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:44,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:44,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:44,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:36" (1/3) ... [2023-11-24 23:22:44,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e782aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:44, skipping insertion in model container [2023-11-24 23:22:44,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:37" (2/3) ... [2023-11-24 23:22:44,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e782aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:44, skipping insertion in model container [2023-11-24 23:22:44,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:44" (3/3) ... [2023-11-24 23:22:44,718 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-22.i [2023-11-24 23:22:44,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:44,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:44,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:44,803 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;@65b8db22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:44,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 32 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-24 23:22:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-24 23:22:44,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:44,824 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:44,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:44,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:44,829 INFO L85 PathProgramCache]: Analyzing trace with hash 773246236, now seen corresponding path program 1 times [2023-11-24 23:22:44,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:44,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564569136] [2023-11-24 23:22:44,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:44,843 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 [2023-11-24 23:22:44,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:44,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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) [2023-11-24 23:22:44,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:45,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:22:45,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-24 23:22:46,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:46,057 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564569136] [2023-11-24 23:22:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564569136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:46,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:46,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062994663] [2023-11-24 23:22:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:46,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:22:46,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:46,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:22:46,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:46,114 INFO L87 Difference]: Start difference. First operand has 57 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 32 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-24 23:22:49,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:49,205 INFO L93 Difference]: Finished difference Result 111 states and 201 transitions. [2023-11-24 23:22:49,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:22:49,443 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2023-11-24 23:22:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:49,452 INFO L225 Difference]: With dead ends: 111 [2023-11-24 23:22:49,452 INFO L226 Difference]: Without dead ends: 55 [2023-11-24 23:22:49,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:49,465 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:49,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2023-11-24 23:22:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-24 23:22:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-24 23:22:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-24 23:22:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2023-11-24 23:22:49,528 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 83 transitions. Word has length 141 [2023-11-24 23:22:49,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:49,530 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 83 transitions. [2023-11-24 23:22:49,531 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-24 23:22:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-24 23:22:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-24 23:22:49,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:49,549 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:49,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:49,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:49,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:49,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1840200872, now seen corresponding path program 1 times [2023-11-24 23:22:49,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:49,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369157753] [2023-11-24 23:22:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:49,767 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 [2023-11-24 23:22:49,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:49,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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) [2023-11-24 23:22:49,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:51,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:22:51,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-24 23:22:52,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:52,841 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:52,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369157753] [2023-11-24 23:22:52,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369157753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:52,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:52,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:22:52,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555017400] [2023-11-24 23:22:52,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:52,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:22:52,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:52,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:22:52,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:22:52,845 INFO L87 Difference]: Start difference. First operand 55 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-24 23:22:56,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:56,035 INFO L93 Difference]: Finished difference Result 109 states and 165 transitions. [2023-11-24 23:22:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:22:56,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2023-11-24 23:22:56,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:56,261 INFO L225 Difference]: With dead ends: 109 [2023-11-24 23:22:56,261 INFO L226 Difference]: Without dead ends: 55 [2023-11-24 23:22:56,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:22:56,264 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:56,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 77 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-24 23:22:56,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-24 23:22:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-24 23:22:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-24 23:22:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2023-11-24 23:22:56,281 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 141 [2023-11-24 23:22:56,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:56,284 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2023-11-24 23:22:56,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-24 23:22:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-24 23:22:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-24 23:22:56,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:56,288 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:56,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:56,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:56,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:56,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:56,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1139136294, now seen corresponding path program 1 times [2023-11-24 23:22:56,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:56,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912431498] [2023-11-24 23:22:56,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:56,507 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 [2023-11-24 23:22:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:56,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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) [2023-11-24 23:22:56,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/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 [2023-11-24 23:22:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:57,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:22:57,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:23:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 620 proven. 114 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-24 23:23:01,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:23:02,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:23:02,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912431498] [2023-11-24 23:23:02,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912431498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:23:02,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1608804762] [2023-11-24 23:23:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:23:02,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:23:02,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:23:02,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:23:02,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:23:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:23:04,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:23:04,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:23:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 620 proven. 114 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-24 23:23:07,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:23:07,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1608804762] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:23:07,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666712672] [2023-11-24 23:23:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:23:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:23:07,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:23:08,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:23:08,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925cd8ef-3e1a-4bac-b66a-bcc549ad3aad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 23:23:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:23:09,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:23:09,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:23:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 620 proven. 114 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-24 23:23:12,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:23:12,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666712672] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:23:12,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:23:12,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2023-11-24 23:23:12,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702455225] [2023-11-24 23:23:12,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 23:23:12,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:23:12,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:23:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:23:12,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:23:12,553 INFO L87 Difference]: Start difference. First operand 55 states and 82 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 4 states have call successors, (23), 4 states have call predecessors, (23), 6 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-24 23:23:17,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:23:19,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []