./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX --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 a1cbd694c9eed06f1e9279ceeb8d61e9debe17c32801c70f5b1c8faace63fe8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:41:56,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:41:56,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:41:56,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:41:56,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:41:56,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:41:56,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:41:56,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:41:56,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:41:56,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:41:56,768 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:41:56,769 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:41:56,770 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:41:56,771 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:41:56,772 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:41:56,772 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:41:56,772 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:41:56,773 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:41:56,773 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:41:56,773 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:41:56,774 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:41:56,774 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:41:56,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:41:56,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:41:56,776 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:41:56,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:41:56,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:41:56,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:41:56,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:41:56,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:41:56,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:41:56,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:41:56,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:41:56,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:41:56,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:41:56,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:41:56,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:41:56,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:41:56,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:41:56,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:41:56,781 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:41:56,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:41:56,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:41:56,782 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:41:56,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:41:56,782 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_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1cbd694c9eed06f1e9279ceeb8d61e9debe17c32801c70f5b1c8faace63fe8f [2023-11-12 00:41:57,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:41:57,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:41:57,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:41:57,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:41:57,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:41:57,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i [2023-11-12 00:42:00,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:00,443 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:00,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i [2023-11-12 00:42:00,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data/f7dd63737/d52a34e37a7d41459dc2427956741b63/FLAG3e8a88f83 [2023-11-12 00:42:00,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data/f7dd63737/d52a34e37a7d41459dc2427956741b63 [2023-11-12 00:42:00,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:00,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:00,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:00,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:00,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:00,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2786c4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00, skipping insertion in model container [2023-11-12 00:42:00,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:00,701 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_9601ca96-3d13-4fca-8657-544b92c529d6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i[913,926] [2023-11-12 00:42:00,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:00,796 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:00,810 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_9601ca96-3d13-4fca-8657-544b92c529d6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i[913,926] [2023-11-12 00:42:00,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:00,871 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:00,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00 WrapperNode [2023-11-12 00:42:00,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:00,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:00,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:00,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:00,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,980 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-12 00:42:00,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:00,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:00,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:00,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:00,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:01,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:01,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:01,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:01,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:01,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:01,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:01,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:01,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:42:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:42:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:42:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:01,241 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:01,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:01,663 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:01,863 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:01,863 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:42:01,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:01 BoogieIcfgContainer [2023-11-12 00:42:01,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:01,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:01,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:01,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:01,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:42:00" (1/3) ... [2023-11-12 00:42:01,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202134b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:01, skipping insertion in model container [2023-11-12 00:42:01,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (2/3) ... [2023-11-12 00:42:01,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202134b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:01, skipping insertion in model container [2023-11-12 00:42:01,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:01" (3/3) ... [2023-11-12 00:42:01,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-32.i [2023-11-12 00:42:01,893 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:01,893 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:42:01,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:01,946 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;@67681767, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:01,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:42:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:42:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:42:01,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:01,963 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:01,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:01,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:01,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1672911709, now seen corresponding path program 1 times [2023-11-12 00:42:01,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:01,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942482764] [2023-11-12 00:42:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:01,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:42:02,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:42:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:42:02,954 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:42:02,956 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:42:02,958 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:42:02,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:42:02,966 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:42:02,972 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:42:03,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:42:03 BoogieIcfgContainer [2023-11-12 00:42:03,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:42:03,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:42:03,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:42:03,117 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:42:03,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:01" (3/4) ... [2023-11-12 00:42:03,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:42:03,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:42:03,124 INFO L158 Benchmark]: Toolchain (without parser) took 2639.43ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 89.9MB in the end (delta: 16.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,124 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:42:03,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.56ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 92.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.94ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 89.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,127 INFO L158 Benchmark]: Boogie Preprocessor took 72.12ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,128 INFO L158 Benchmark]: RCFGBuilder took 812.60ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 85.8MB in the end (delta: 1.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,129 INFO L158 Benchmark]: TraceAbstraction took 1244.34ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 89.9MB in the end (delta: -4.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,129 INFO L158 Benchmark]: Witness Printer took 7.45ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:42:03,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.56ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 92.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.94ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 89.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.12ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.60ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 85.8MB in the end (delta: 1.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1244.34ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 89.9MB in the end (delta: -4.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 7.45ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. 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 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = -25; [L25] unsigned char var_1_4 = 100; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 64; [L28] unsigned char var_1_7 = 32; [L29] unsigned char var_1_8 = 32; [L30] float var_1_9 = 100.5; [L31] unsigned char var_1_10 = 4; [L32] float var_1_11 = 0.8; [L33] float var_1_12 = 2.5; [L34] signed short int var_1_13 = -32; [L35] float var_1_14 = 3.2; [L36] unsigned char var_1_15 = 1; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] float var_1_18 = 0.25; [L40] float var_1_19 = 100000000.25; [L41] signed char var_1_20 = 0; [L42] signed char var_1_21 = 10; [L43] double var_1_22 = 1000000.5; [L44] unsigned long int var_1_23 = 256; [L45] unsigned long int var_1_24 = 50; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L94] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] var_1_3 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L97] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L100] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L103] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L104] var_1_6 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L106] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L107] var_1_7 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L109] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L110] var_1_8 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L112] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L113] var_1_10 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L115] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L116] var_1_11 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L118] var_1_12 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L120] var_1_14 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] var_1_16 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L124] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L125] var_1_17 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L127] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L128] var_1_19 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L130] var_1_21 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L132] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L145] RET updateVariables() [L146] CALL step() [L49] COND TRUE -32 < var_1_3 [L50] var_1_1 = (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) [L52] COND FALSE !((var_1_10 + ((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) == var_1_5) [L55] var_1_9 = var_1_12 [L57] COND FALSE !((var_1_12 * ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11)))) > (- var_1_14)) [L66] COND FALSE !(var_1_5 >= var_1_6) [L75] var_1_15 = var_1_17 [L77] COND TRUE var_1_17 || var_1_15 [L78] COND FALSE !(var_1_15 && var_1_2) [L81] var_1_18 = var_1_19 [L84] COND TRUE var_1_11 == var_1_18 [L85] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) [L87] var_1_22 = var_1_12 [L88] var_1_23 = var_1_8 [L89] var_1_24 = var_1_6 [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((((((-32 < var_1_3) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_10 + ((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11)))) > (- var_1_14)) ? ((var_1_6 <= var_1_8) ? (var_1_2 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((var_1_13 <= var_1_10) ? (var_1_15 == ((unsigned char) var_1_16)) : ((var_1_2 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_2) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=2147483653, var_1_23=63, var_1_24=64, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=2147483653] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2147483652, var_1_12=2147483653, var_1_13=-32, var_1_14=2147483654, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=2147483653, var_1_23=63, var_1_24=64, var_1_2=0, var_1_3=2147483647, var_1_4=97, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=2147483653] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 [2023-11-12 00:42:03,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX --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 a1cbd694c9eed06f1e9279ceeb8d61e9debe17c32801c70f5b1c8faace63fe8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:42:05,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:42:06,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:42:06,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:42:06,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:42:06,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:42:06,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:42:06,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:42:06,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:42:06,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:42:06,148 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:42:06,149 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:42:06,149 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:42:06,151 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:42:06,151 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:42:06,152 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:42:06,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:42:06,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:42:06,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:42:06,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:42:06,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:42:06,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:42:06,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:42:06,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:42:06,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:42:06,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:42:06,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:42:06,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:42:06,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:42:06,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:42:06,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:42:06,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:42:06,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:42:06,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:06,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:42:06,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:42:06,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:42:06,163 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:42:06,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:42:06,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:42:06,164 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:42:06,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:42:06,165 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_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1cbd694c9eed06f1e9279ceeb8d61e9debe17c32801c70f5b1c8faace63fe8f [2023-11-12 00:42:06,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:42:06,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:42:06,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:42:06,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:42:06,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:42:06,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i [2023-11-12 00:42:09,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:10,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:10,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i [2023-11-12 00:42:10,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data/7a3d9877f/8d82b77228bf4769969c870830b30999/FLAG5931c9db4 [2023-11-12 00:42:10,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/data/7a3d9877f/8d82b77228bf4769969c870830b30999 [2023-11-12 00:42:10,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:10,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:10,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:10,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:10,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:10,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55efc269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10, skipping insertion in model container [2023-11-12 00:42:10,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:10,455 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_9601ca96-3d13-4fca-8657-544b92c529d6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i[913,926] [2023-11-12 00:42:10,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:10,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:10,606 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_9601ca96-3d13-4fca-8657-544b92c529d6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-32.i[913,926] [2023-11-12 00:42:10,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:10,680 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:10,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10 WrapperNode [2023-11-12 00:42:10,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:10,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:10,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:10,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:10,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,758 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-12 00:42:10,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:10,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:10,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:10,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:10,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:10,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:10,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:10,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:10,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:10,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:10,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:10,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:11,063 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:11,066 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:14,331 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:14,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:14,339 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:42:14,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:14 BoogieIcfgContainer [2023-11-12 00:42:14,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:14,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:14,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:14,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:14,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:42:10" (1/3) ... [2023-11-12 00:42:14,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341bb5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:14, skipping insertion in model container [2023-11-12 00:42:14,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (2/3) ... [2023-11-12 00:42:14,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341bb5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:14, skipping insertion in model container [2023-11-12 00:42:14,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:14" (3/3) ... [2023-11-12 00:42:14,350 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-32.i [2023-11-12 00:42:14,370 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:14,371 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:42:14,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:14,444 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;@67bad909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:14,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:42:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:42:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 00:42:14,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:14,472 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:14,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:14,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:14,479 INFO L85 PathProgramCache]: Analyzing trace with hash 285462131, now seen corresponding path program 1 times [2023-11-12 00:42:14,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:42:14,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568755699] [2023-11-12 00:42:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:14,496 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 [2023-11-12 00:42:14,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:42:14,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:42:14,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:42:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:14,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:42:15,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-12 00:42:15,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:42:15,099 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:42:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568755699] [2023-11-12 00:42:15,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568755699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:15,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:15,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:15,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147924361] [2023-11-12 00:42:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:15,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:42:15,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:42:15,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:42:15,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:42:15,157 INFO L87 Difference]: Start difference. First operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:42:15,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:15,213 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2023-11-12 00:42:15,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:42:15,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-11-12 00:42:15,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:15,228 INFO L225 Difference]: With dead ends: 137 [2023-11-12 00:42:15,229 INFO L226 Difference]: Without dead ends: 68 [2023-11-12 00:42:15,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:42:15,238 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:15,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:15,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-12 00:42:15,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-12 00:42:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:42:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-12 00:42:15,320 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2023-11-12 00:42:15,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:15,321 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-12 00:42:15,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:42:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-12 00:42:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 00:42:15,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:15,334 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:15,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:42:15,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:42:15,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:15,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:15,553 INFO L85 PathProgramCache]: Analyzing trace with hash 775160363, now seen corresponding path program 1 times [2023-11-12 00:42:15,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:42:15,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391978004] [2023-11-12 00:42:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:15,555 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 [2023-11-12 00:42:15,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:42:15,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:42:15,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:42:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:15,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:42:15,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-12 00:42:16,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:42:16,539 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:42:16,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391978004] [2023-11-12 00:42:16,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391978004] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:16,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1537950229] [2023-11-12 00:42:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:16,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:42:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:42:16,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:42:16,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:42:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:17,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:42:17,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-12 00:42:17,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:42:17,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1537950229] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:17,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153050159] [2023-11-12 00:42:17,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:17,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:17,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:17,970 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:18,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:42:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:18,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:42:18,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-12 00:42:18,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:42:18,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153050159] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:18,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:42:18,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-12 00:42:18,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440477835] [2023-11-12 00:42:18,561 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:42:18,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:42:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:42:18,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:42:18,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:42:18,570 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-12 00:42:20,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:42:20,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:20,881 INFO L93 Difference]: Finished difference Result 176 states and 268 transitions. [2023-11-12 00:42:20,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:42:20,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 161 [2023-11-12 00:42:20,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:20,885 INFO L225 Difference]: With dead ends: 176 [2023-11-12 00:42:20,885 INFO L226 Difference]: Without dead ends: 111 [2023-11-12 00:42:20,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 964 GetRequests, 952 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:42:20,888 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 99 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:20,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 264 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-12 00:42:20,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-12 00:42:20,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 106. [2023-11-12 00:42:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 57 states have internal predecessors, (67), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-12 00:42:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 161 transitions. [2023-11-12 00:42:20,911 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 161 transitions. Word has length 161 [2023-11-12 00:42:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:20,916 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 161 transitions. [2023-11-12 00:42:20,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-12 00:42:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 161 transitions. [2023-11-12 00:42:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 00:42:20,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:20,919 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:20,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:21,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:21,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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)] Ended with exit code 0 [2023-11-12 00:42:21,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:42:21,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:21,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:21,529 INFO L85 PathProgramCache]: Analyzing trace with hash -536430531, now seen corresponding path program 1 times [2023-11-12 00:42:21,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:42:21,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095215580] [2023-11-12 00:42:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:21,531 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 [2023-11-12 00:42:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:42:21,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:42:21,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/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 (6)] Waiting until timeout for monitored process [2023-11-12 00:42:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:21,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 00:42:21,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 144 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-11-12 00:42:23,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:23,576 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:42:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095215580] [2023-11-12 00:42:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095215580] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:23,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [303516384] [2023-11-12 00:42:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:23,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:42:23,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:42:23,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:42:23,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:42:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:25,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:42:25,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 144 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-11-12 00:42:26,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:26,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [303516384] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:26,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708682475] [2023-11-12 00:42:26,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:26,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:26,588 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:26,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9601ca96-3d13-4fca-8657-544b92c529d6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:42:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:29,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-12 00:42:29,674 INFO L285 TraceCheckSpWp]: Computing forward predicates...