./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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_efdfbee5-6334-488d-afad-e8cadedee7db/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 f7a7425e896251d765b196e2267bf51e4ef5d4f864eb4111189d282f80a6908b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:09,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:09,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:14:09,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:09,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:09,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:09,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:09,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:09,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:09,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:09,608 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:09,609 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:09,609 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:09,610 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:09,611 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:09,611 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:09,612 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:09,612 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:09,613 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:09,613 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:09,614 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:09,614 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:09,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:09,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:09,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:09,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:09,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:09,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:09,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:09,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:09,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:09,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:09,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:09,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:09,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:09,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:09,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:09,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:09,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:09,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:09,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:09,626 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:09,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:09,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:09,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:09,627 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:09,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:09,628 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_efdfbee5-6334-488d-afad-e8cadedee7db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a7425e896251d765b196e2267bf51e4ef5d4f864eb4111189d282f80a6908b [2023-11-24 23:14:09,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:09,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:09,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:09,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:09,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:09,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i [2023-11-24 23:14:13,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:13,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:13,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i [2023-11-24 23:14:13,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data/457d7bd9b/f0629bc37e294d3990e150af67906d81/FLAG63983e1fd [2023-11-24 23:14:13,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data/457d7bd9b/f0629bc37e294d3990e150af67906d81 [2023-11-24 23:14:13,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:13,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:13,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:13,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:13,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:13,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:13,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2d629d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13, skipping insertion in model container [2023-11-24 23:14:13,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:13,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:13,700 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_efdfbee5-6334-488d-afad-e8cadedee7db/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i[916,929] [2023-11-24 23:14:13,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:13,804 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:13,814 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_efdfbee5-6334-488d-afad-e8cadedee7db/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i[916,929] [2023-11-24 23:14:13,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:13,886 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:13,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13 WrapperNode [2023-11-24 23:14:13,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:13,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:13,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:13,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:13,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:13,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:13,982 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2023-11-24 23:14:13,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:13,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:13,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:13,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:13,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:13,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:14,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:14,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:14,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:14,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (1/1) ... [2023-11-24 23:14:14,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:14,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:14,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:14,305 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:14,308 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:14,973 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:15,606 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:15,606 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:15,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:15 BoogieIcfgContainer [2023-11-24 23:14:15,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:15,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:15,612 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:15,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:15,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:13" (1/3) ... [2023-11-24 23:14:15,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359fa4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:15, skipping insertion in model container [2023-11-24 23:14:15,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:13" (2/3) ... [2023-11-24 23:14:15,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359fa4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:15, skipping insertion in model container [2023-11-24 23:14:15,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:15" (3/3) ... [2023-11-24 23:14:15,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-16.i [2023-11-24 23:14:15,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:15,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:15,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:15,724 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;@210635da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:15,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:14:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:14:15,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:15,740 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:15,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:15,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:15,747 INFO L85 PathProgramCache]: Analyzing trace with hash 340406115, now seen corresponding path program 1 times [2023-11-24 23:14:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:15,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442206759] [2023-11-24 23:14:15,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:15,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:16,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:14:16,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164769418] [2023-11-24 23:14:16,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:14:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:16,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:14:16,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:14:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:17,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:17,542 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:17,545 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:17,546 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:17,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:17,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:14:17,763 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:14:17,766 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:17,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:17 BoogieIcfgContainer [2023-11-24 23:14:17,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:17,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:17,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:17,933 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:17,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:15" (3/4) ... [2023-11-24 23:14:17,935 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:17,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:17,938 INFO L158 Benchmark]: Toolchain (without parser) took 4506.25ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 83.0MB in the end (delta: 59.5MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2023-11-24 23:14:17,939 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:17,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.96ms. Allocated memory is still 186.6MB. Free memory was 142.2MB in the beginning and 125.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:17,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.53ms. Allocated memory is still 186.6MB. Free memory was 125.8MB in the beginning and 120.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:17,946 INFO L158 Benchmark]: Boogie Preprocessor took 89.33ms. Allocated memory is still 186.6MB. Free memory was 120.6MB in the beginning and 118.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:17,948 INFO L158 Benchmark]: RCFGBuilder took 1534.95ms. Allocated memory is still 186.6MB. Free memory was 118.1MB in the beginning and 135.4MB in the end (delta: -17.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-24 23:14:17,949 INFO L158 Benchmark]: TraceAbstraction took 2320.08ms. Allocated memory is still 186.6MB. Free memory was 134.4MB in the beginning and 84.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 23:14:17,949 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 186.6MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:17,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.96ms. Allocated memory is still 186.6MB. Free memory was 142.2MB in the beginning and 125.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.53ms. Allocated memory is still 186.6MB. Free memory was 125.8MB in the beginning and 120.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.33ms. Allocated memory is still 186.6MB. Free memory was 120.6MB in the beginning and 118.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1534.95ms. Allocated memory is still 186.6MB. Free memory was 118.1MB in the beginning and 135.4MB in the end (delta: -17.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2320.08ms. Allocated memory is still 186.6MB. Free memory was 134.4MB in the beginning and 84.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 186.6MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someUnaryFLOAToperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed char var_1_7 = -25; [L24] signed char var_1_9 = 50; [L25] signed char var_1_10 = -128; [L26] signed char var_1_11 = 0; [L27] signed char var_1_12 = -32; [L28] signed long int var_1_13 = 16; [L29] unsigned char var_1_14 = 1; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_18 = 0; [L32] unsigned char var_1_19 = 0; [L33] unsigned char var_1_20 = 0; [L34] float var_1_21 = 127.25; [L35] float var_1_23 = 1.5; [L36] float var_1_24 = 100.5; [L37] signed char var_1_25 = 0; [L38] signed char var_1_26 = -2; [L39] signed char var_1_27 = 0; [L40] signed long int var_1_28 = -128; [L41] float var_1_30 = 9.375; [L42] double var_1_31 = 99999999.875; [L43] double var_1_32 = 4.8; [L44] unsigned short int var_1_33 = 0; [L45] unsigned short int var_1_35 = 54252; [L46] unsigned short int var_1_37 = 5; [L47] unsigned char var_1_38 = 4; [L48] signed char var_1_39 = -64; [L49] signed char last_1_var_1_10 = -128; [L50] unsigned char last_1_var_1_18 = 0; [L51] signed char last_1_var_1_25 = 0; [L52] unsigned short int last_1_var_1_33 = 0; [L53] signed char last_1_var_1_39 = -64; [L183] isInitial = 1 [L184] FCALL initially() [L185] int k_loop; [L186] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=50] [L186] COND TRUE k_loop < 1 [L187] CALL updateLastVariables() [L172] last_1_var_1_10 = var_1_10 [L173] last_1_var_1_18 = var_1_18 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_33 = var_1_33 [L176] last_1_var_1_39 = var_1_39 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L137] var_1_9 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L139] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L140] var_1_11 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L143] var_1_13 = __VERIFIER_nondet_long() [L144] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L147] var_1_19 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L150] var_1_20 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L153] var_1_23 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && 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_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && 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_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L155] var_1_24 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L157] var_1_26 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_26 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_26 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L159] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L160] var_1_27 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L162] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L163] var_1_31 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L165] var_1_32 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L167] var_1_35 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_35 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 49150) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L169] CALL assume_abort_if_not(var_1_35 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 65534) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L188] RET updateVariables() [L189] CALL step() [L57] unsigned char stepLocal_3 = last_1_var_1_18; [L58] COND FALSE !(stepLocal_3 || var_1_20) [L61] COND FALSE !(\read(var_1_20)) [L65] var_1_18 = (! (var_1_19 || var_1_20)) [L66] COND TRUE (- var_1_24) < var_1_23 [L67] var_1_25 = (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27) [L69] var_1_37 = var_1_11 [L70] var_1_38 = var_1_11 [L71] var_1_39 = var_1_11 [L72] COND TRUE \read(var_1_18) [L73] var_1_7 = var_1_9 [L75] signed char stepLocal_1 = var_1_9; [L76] COND FALSE !((last_1_var_1_10 + var_1_7) > stepLocal_1) [L79] COND TRUE (var_1_7 / var_1_13) == var_1_25 [L80] var_1_12 = var_1_9 [L88] COND TRUE (var_1_11 - var_1_37) != -256 [L89] var_1_21 = ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))) [L93] signed long int stepLocal_4 = var_1_28; [L94] COND TRUE ((var_1_31 - var_1_32) + var_1_24) != var_1_23 [L95] var_1_30 = ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))) [L101] COND TRUE var_1_28 < var_1_37 [L102] var_1_33 = (((26262 - var_1_11) + 18571) - var_1_38) [L122] signed long int stepLocal_0 = var_1_28; [L123] COND TRUE stepLocal_0 >= (var_1_37 * (10u * var_1_33)) [L124] var_1_1 = (var_1_10 + var_1_10) [L128] unsigned long int stepLocal_2 = 1u; [L129] COND FALSE !((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == stepLocal_2) [L132] COND TRUE var_1_1 <= var_1_33 [L133] var_1_15 = ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))) [L189] RET step() [L190] CALL, EXPR property() [L179] EXPR ((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38))))) [L179-L180] return (((((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38)))))) && (var_1_37 == ((unsigned short int) var_1_11))) && (var_1_38 == ((unsigned char) var_1_11))) && (var_1_39 == ((signed char) var_1_11)) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 21, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 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 23:14:17,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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_efdfbee5-6334-488d-afad-e8cadedee7db/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 f7a7425e896251d765b196e2267bf51e4ef5d4f864eb4111189d282f80a6908b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:20,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:20,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:14:20,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:20,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:20,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:20,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:20,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:20,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:20,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:20,943 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:20,944 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:20,944 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:20,946 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:20,946 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:20,947 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:20,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:20,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:20,949 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:20,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:20,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:20,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:20,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:20,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:20,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:20,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:20,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:20,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:20,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:20,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:20,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:20,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:20,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:20,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:20,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:20,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:20,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:20,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:20,959 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:20,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:20,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:20,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:20,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:20,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:20,962 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_efdfbee5-6334-488d-afad-e8cadedee7db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a7425e896251d765b196e2267bf51e4ef5d4f864eb4111189d282f80a6908b [2023-11-24 23:14:21,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:21,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:21,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:21,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:21,442 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:21,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i [2023-11-24 23:14:24,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:24,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:24,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i [2023-11-24 23:14:24,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data/faa6d6eda/34ebb250dfc04e6da13a08c7f0d18ae2/FLAG7d8c56f5a [2023-11-24 23:14:24,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/data/faa6d6eda/34ebb250dfc04e6da13a08c7f0d18ae2 [2023-11-24 23:14:24,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:24,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:24,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:24,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:24,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:24,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:24" (1/1) ... [2023-11-24 23:14:24,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79181223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:24, skipping insertion in model container [2023-11-24 23:14:24,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:24" (1/1) ... [2023-11-24 23:14:25,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:25,223 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_efdfbee5-6334-488d-afad-e8cadedee7db/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i[916,929] [2023-11-24 23:14:25,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:25,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:25,421 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_efdfbee5-6334-488d-afad-e8cadedee7db/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-16.i[916,929] [2023-11-24 23:14:25,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:25,538 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:25,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25 WrapperNode [2023-11-24 23:14:25,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:25,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:25,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:25,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:25,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,631 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-24 23:14:25,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:25,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:25,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:25,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:25,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:25,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:25,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:25,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:25,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (1/1) ... [2023-11-24 23:14:25,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:25,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:25,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:25,927 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:25,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:32,684 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:32,749 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:32,749 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:32,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:32 BoogieIcfgContainer [2023-11-24 23:14:32,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:32,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:32,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:32,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:32,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:24" (1/3) ... [2023-11-24 23:14:32,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6657a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:32, skipping insertion in model container [2023-11-24 23:14:32,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:25" (2/3) ... [2023-11-24 23:14:32,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6657a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:32, skipping insertion in model container [2023-11-24 23:14:32,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:32" (3/3) ... [2023-11-24 23:14:32,759 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-16.i [2023-11-24 23:14:32,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:32,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:32,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:32,855 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;@c64eb0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:32,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:14:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:14:32,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:32,879 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:32,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:32,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:32,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2043911338, now seen corresponding path program 1 times [2023-11-24 23:14:32,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:32,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488319423] [2023-11-24 23:14:32,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:32,904 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 23:14:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:32,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:32,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:33,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:14:33,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-24 23:14:33,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:33,610 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:33,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488319423] [2023-11-24 23:14:33,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488319423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:33,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:33,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:14:33,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621311912] [2023-11-24 23:14:33,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:33,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:14:33,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:33,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:14:33,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:33,661 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:14:35,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:35,914 INFO L93 Difference]: Finished difference Result 139 states and 242 transitions. [2023-11-24 23:14:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:14:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2023-11-24 23:14:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:35,931 INFO L225 Difference]: With dead ends: 139 [2023-11-24 23:14:35,932 INFO L226 Difference]: Without dead ends: 68 [2023-11-24 23:14:35,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 23:14:35,940 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:35,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:14:35,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-24 23:14:35,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-24 23:14:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 45 states have internal predecessors, (64), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:14:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 106 transitions. [2023-11-24 23:14:36,006 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 106 transitions. Word has length 139 [2023-11-24 23:14:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:36,007 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 106 transitions. [2023-11-24 23:14:36,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:14:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2023-11-24 23:14:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:14:36,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:36,018 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:36,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:36,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:36,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:36,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash -753295008, now seen corresponding path program 1 times [2023-11-24 23:14:36,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:36,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788810774] [2023-11-24 23:14:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:36,231 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 23:14:36,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:36,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:36,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:36,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:14:36,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-24 23:14:37,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:14:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 23:14:38,618 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:38,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788810774] [2023-11-24 23:14:38,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788810774] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:14:38,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [975058684] [2023-11-24 23:14:38,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:14:38,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:38,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:14:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:39,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:14:39,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:14:40,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:40,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [975058684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:40,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:14:40,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 8] total 12 [2023-11-24 23:14:40,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505124206] [2023-11-24 23:14:40,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:40,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:14:40,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:40,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:14:40,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:14:40,372 INFO L87 Difference]: Start difference. First operand 68 states and 106 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:14:42,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:44,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:46,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:47,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:50,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:52,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:53,008 INFO L93 Difference]: Finished difference Result 352 states and 551 transitions. [2023-11-24 23:14:53,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-24 23:14:53,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2023-11-24 23:14:53,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:53,015 INFO L225 Difference]: With dead ends: 352 [2023-11-24 23:14:53,015 INFO L226 Difference]: Without dead ends: 285 [2023-11-24 23:14:53,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2023-11-24 23:14:53,019 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 431 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 71 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:53,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 648 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 51 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2023-11-24 23:14:53,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-11-24 23:14:53,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 165. [2023-11-24 23:14:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 110 states have (on average 1.4) internal successors, (154), 111 states have internal predecessors, (154), 51 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-24 23:14:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 256 transitions. [2023-11-24 23:14:53,105 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 256 transitions. Word has length 139 [2023-11-24 23:14:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:53,107 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 256 transitions. [2023-11-24 23:14:53,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:14:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 256 transitions. [2023-11-24 23:14:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:14:53,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:53,119 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:53,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:53,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:53,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:53,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:53,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:53,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1774363362, now seen corresponding path program 1 times [2023-11-24 23:14:53,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:53,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395502736] [2023-11-24 23:14:53,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:53,540 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 23:14:53,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:53,542 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:14:53,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 (5)] Waiting until timeout for monitored process [2023-11-24 23:14:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:53,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:14:53,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-24 23:14:55,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:14:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 23:14:55,705 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:55,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395502736] [2023-11-24 23:14:55,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395502736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:14:55,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [514604330] [2023-11-24 23:14:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:55,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:14:55,708 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:55,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:14:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:56,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:14:56,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:14:58,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:58,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [514604330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:58,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:14:58,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 8] total 12 [2023-11-24 23:14:58,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065048727] [2023-11-24 23:14:58,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:58,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:14:58,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:58,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:14:58,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:14:58,274 INFO L87 Difference]: Start difference. First operand 165 states and 256 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:15:00,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:01,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:01,298 INFO L93 Difference]: Finished difference Result 434 states and 672 transitions. [2023-11-24 23:15:01,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:01,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2023-11-24 23:15:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:01,306 INFO L225 Difference]: With dead ends: 434 [2023-11-24 23:15:01,306 INFO L226 Difference]: Without dead ends: 270 [2023-11-24 23:15:01,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:15:01,311 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 88 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:01,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 282 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-11-24 23:15:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-24 23:15:01,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 268. [2023-11-24 23:15:01,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 181 states have (on average 1.3812154696132597) internal successors, (250), 183 states have internal predecessors, (250), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-24 23:15:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 412 transitions. [2023-11-24 23:15:01,394 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 412 transitions. Word has length 139 [2023-11-24 23:15:01,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:01,395 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 412 transitions. [2023-11-24 23:15:01,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:15:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 412 transitions. [2023-11-24 23:15:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:15:01,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:01,399 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:01,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:01,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:01,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:15:01,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:01,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:01,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1509486684, now seen corresponding path program 1 times [2023-11-24 23:15:01,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:01,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462090834] [2023-11-24 23:15:01,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:01,812 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 23:15:01,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:01,813 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:15:01,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 (7)] Waiting until timeout for monitored process [2023-11-24 23:15:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:02,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:15:02,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-24 23:15:03,319 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:15:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 23:15:03,926 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:03,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462090834] [2023-11-24 23:15:03,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462090834] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:15:03,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1006233720] [2023-11-24 23:15:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:03,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:15:03,929 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:15:03,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:15:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:05,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:15:05,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-24 23:15:05,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:15:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:15:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1006233720] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-24 23:15:05,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:15:05,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 8, 6] total 15 [2023-11-24 23:15:05,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65055730] [2023-11-24 23:15:05,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:05,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:05,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-24 23:15:05,942 INFO L87 Difference]: Start difference. First operand 268 states and 412 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:15:08,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:08,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:08,283 INFO L93 Difference]: Finished difference Result 555 states and 838 transitions. [2023-11-24 23:15:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:08,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2023-11-24 23:15:08,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:08,289 INFO L225 Difference]: With dead ends: 555 [2023-11-24 23:15:08,289 INFO L226 Difference]: Without dead ends: 288 [2023-11-24 23:15:08,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 538 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-24 23:15:08,293 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 42 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:08,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 144 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-24 23:15:08,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-11-24 23:15:08,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2023-11-24 23:15:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 198 states have internal predecessors, (260), 81 states have call successors, (81), 10 states have call predecessors, (81), 10 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-24 23:15:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 422 transitions. [2023-11-24 23:15:08,357 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 422 transitions. Word has length 139 [2023-11-24 23:15:08,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:08,358 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 422 transitions. [2023-11-24 23:15:08,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:15:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 422 transitions. [2023-11-24 23:15:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:15:08,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:08,361 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:08,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:08,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:08,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:08,773 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:08,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:08,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1251321246, now seen corresponding path program 1 times [2023-11-24 23:15:08,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:08,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109374930] [2023-11-24 23:15:08,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:08,775 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 23:15:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:08,776 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 23:15:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdfbee5-6334-488d-afad-e8cadedee7db/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 (9)] Waiting until timeout for monitored process [2023-11-24 23:15:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:09,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:15:09,150 INFO L285 TraceCheckSpWp]: Computing forward predicates...