./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 24ca5306f015ab172719330a0597265b0f70dab4b133299f4b32574bb8d8923a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:57:08,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:57:08,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:57:08,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:57:08,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:57:08,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:57:08,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:57:08,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:57:08,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:57:08,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:57:08,528 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:57:08,529 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:57:08,530 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:57:08,530 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:57:08,531 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:57:08,531 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:57:08,532 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:57:08,532 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:57:08,533 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:57:08,534 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:57:08,534 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:57:08,535 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:57:08,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:57:08,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:57:08,537 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:57:08,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:57:08,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:57:08,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:57:08,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:57:08,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:57:08,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:57:08,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:57:08,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:57:08,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:57:08,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:57:08,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:57:08,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:08,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:57:08,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:57:08,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:57:08,548 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:57:08,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:57:08,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:57:08,549 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:57:08,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:57:08,550 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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24ca5306f015ab172719330a0597265b0f70dab4b133299f4b32574bb8d8923a [2023-11-12 00:57:08,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:57:08,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:57:08,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:57:08,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:57:08,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:57:08,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i [2023-11-12 00:57:12,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:57:12,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:57:12,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i [2023-11-12 00:57:12,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data/7358c2e26/353dc9692ad048aa8d4e82a382a2b069/FLAGfed8528b8 [2023-11-12 00:57:12,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data/7358c2e26/353dc9692ad048aa8d4e82a382a2b069 [2023-11-12 00:57:12,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:57:12,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:57:12,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:12,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:57:12,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:57:12,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:12,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a14396d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12, skipping insertion in model container [2023-11-12 00:57:12,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:12,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:57:12,704 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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i[919,932] [2023-11-12 00:57:12,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:12,831 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:57:12,848 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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i[919,932] [2023-11-12 00:57:12,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:12,929 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:57:12,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12 WrapperNode [2023-11-12 00:57:12,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:12,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:12,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:57:12,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:57:12,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:12,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:12,999 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-12 00:57:13,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:13,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:57:13,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:57:13,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:57:13,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:57:13,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:57:13,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:57:13,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:57:13,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (1/1) ... [2023-11-12 00:57:13,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:13,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:13,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:57:13,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:57:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:57:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:57:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:57:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:57:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:57:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:57:13,225 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:57:13,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:57:13,788 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:57:14,264 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:57:14,264 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:57:14,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:14 BoogieIcfgContainer [2023-11-12 00:57:14,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:57:14,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:57:14,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:57:14,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:57:14,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:57:12" (1/3) ... [2023-11-12 00:57:14,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffdc3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:14, skipping insertion in model container [2023-11-12 00:57:14,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:12" (2/3) ... [2023-11-12 00:57:14,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffdc3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:14, skipping insertion in model container [2023-11-12 00:57:14,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:14" (3/3) ... [2023-11-12 00:57:14,281 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i [2023-11-12 00:57:14,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:57:14,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:57:14,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:57:14,377 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;@6eebfd75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:57:14,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:57:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:57:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 00:57:14,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:14,405 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:14,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:14,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:14,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2063966133, now seen corresponding path program 1 times [2023-11-12 00:57:14,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:14,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279169277] [2023-11-12 00:57:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:57:15,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:57:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:57:16,105 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:57:16,107 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:57:16,108 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:57:16,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:57:16,115 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:57:16,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:57:16,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:57:16 BoogieIcfgContainer [2023-11-12 00:57:16,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:57:16,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:57:16,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:57:16,286 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:57:16,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:14" (3/4) ... [2023-11-12 00:57:16,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:57:16,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:57:16,295 INFO L158 Benchmark]: Toolchain (without parser) took 3853.01ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 134.1MB in the beginning and 102.5MB in the end (delta: 31.5MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,296 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 163.6MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:57:16,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 118.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.22ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 116.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,300 INFO L158 Benchmark]: Boogie Preprocessor took 40.82ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 114.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,304 INFO L158 Benchmark]: RCFGBuilder took 1225.77ms. Allocated memory is still 163.6MB. Free memory was 114.6MB in the beginning and 123.3MB in the end (delta: -8.7MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,306 INFO L158 Benchmark]: TraceAbstraction took 2011.62ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 123.3MB in the beginning and 103.6MB in the end (delta: 19.7MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,306 INFO L158 Benchmark]: Witness Printer took 9.25ms. Allocated memory is still 211.8MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:57:16,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 163.6MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 118.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.22ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 116.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.82ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 114.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1225.77ms. Allocated memory is still 163.6MB. Free memory was 114.6MB in the beginning and 123.3MB in the end (delta: -8.7MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2011.62ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 123.3MB in the beginning and 103.6MB in the end (delta: 19.7MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Witness Printer took 9.25ms. Allocated memory is still 211.8MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 170, overapproximation of shiftRight at line 63, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 71. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed long int var_1_23 = -32; [L41] unsigned char var_1_25 = 10; [L42] unsigned char var_1_27 = 128; [L43] float var_1_30 = 31.3; [L44] float var_1_32 = 15.25; [L45] double var_1_33 = 128.8; [L46] signed char var_1_34 = 4; [L47] signed char var_1_35 = 1; [L48] unsigned char var_1_36 = 16; [L49] unsigned long int last_1_var_1_10 = 128; [L50] unsigned long int last_1_var_1_16 = 1; [L51] double last_1_var_1_19 = 3.8; [L188] isInitial = 1 [L189] FCALL initially() [L190] COND TRUE 1 [L191] CALL updateLastVariables() [L179] last_1_var_1_10 = var_1_10 [L180] last_1_var_1_16 = var_1_16 [L181] last_1_var_1_19 = var_1_19 [L191] RET updateLastVariables() [L192] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L145] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L146] var_1_7 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=16, var_1_9=4] [L148] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=16, var_1_9=4] [L149] var_1_8 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=4] [L151] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=4] [L152] var_1_9 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L154] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L155] var_1_11 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L158] var_1_17 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L160] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L161] var_1_18 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L163] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L164] var_1_20 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L166] var_1_27 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L168] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L169] var_1_32 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L171] var_1_34 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L173] CALL assume_abort_if_not(var_1_34 <= 5) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_34 <= 5) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L174] var_1_35 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L176] CALL assume_abort_if_not(var_1_35 <= 4) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_35 <= 4) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967293, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=127, var_1_2=0, var_1_30=313/10, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=2, var_1_8=1, var_1_9=10] [L192] RET updateVariables() [L193] CALL step() [L55] var_1_22 = ((((-25) < 0 ) ? -(-25) : (-25))) [L56] COND FALSE !(var_1_7 > var_1_12) [L63] EXPR var_1_12 >> var_1_7 [L63] EXPR ((var_1_9) < ((var_1_12 >> var_1_7))) ? (var_1_9) : ((var_1_12 >> var_1_7)) [L63] EXPR var_1_12 >> var_1_7 [L63] EXPR ((var_1_9) < ((var_1_12 >> var_1_7))) ? (var_1_9) : ((var_1_12 >> var_1_7)) [L63] COND TRUE var_1_18 <= ((((var_1_9) < ((var_1_12 >> var_1_7))) ? (var_1_9) : ((var_1_12 >> var_1_7)))) [L64] var_1_25 = (var_1_27 - var_1_7) [L70] COND TRUE \read(var_1_1) [L71] var_1_30 = ((((var_1_20) < ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32)))))) ? (var_1_20) : ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))))) [L73] COND TRUE var_1_9 >= var_1_8 [L74] EXPR var_1_27 >> (var_1_34 + var_1_35) [L74] COND FALSE !((var_1_27 >> (var_1_34 + var_1_35)) <= var_1_7) [L83] var_1_33 = var_1_20 [L86] COND TRUE var_1_27 >= (var_1_9 + var_1_9) [L87] COND FALSE !((-0.95f * ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > var_1_20) [L90] COND TRUE var_1_19 > 128.5f [L91] var_1_36 = var_1_9 [L97] unsigned long int stepLocal_1 = last_1_var_1_16; [L98] unsigned long int stepLocal_0 = last_1_var_1_16; [L99] COND TRUE stepLocal_1 != last_1_var_1_10 [L100] COND TRUE var_1_8 <= stepLocal_0 [L101] COND TRUE (- last_1_var_1_19) >= last_1_var_1_19 [L102] var_1_12 = var_1_8 [L108] COND TRUE var_1_12 == var_1_12 [L109] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L111] var_1_1 = (var_1_2 || (! var_1_3)) [L112] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L113] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L114] COND TRUE \read(var_1_1) [L115] COND TRUE var_1_19 >= var_1_19 [L116] COND TRUE ! var_1_3 [L117] var_1_15 = var_1_8 [L125] COND FALSE !(var_1_19 != var_1_19) [L128] COND FALSE !(var_1_4 > var_1_12) [L131] var_1_16 = (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9) [L134] unsigned char stepLocal_2 = var_1_1; [L135] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) [L193] RET step() [L194] CALL, EXPR property() [L184-L185] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L194] RET, EXPR property() [L194] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284988, var_1_11=1073741823, var_1_12=1, var_1_15=1, var_1_16=4294967284, var_1_17=4294967293, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=25, var_1_23=-32, var_1_25=125, var_1_27=127, var_1_2=0, var_1_30=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_3=0, var_1_4=0, var_1_7=2, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284988, var_1_11=1073741823, var_1_12=1, var_1_15=1, var_1_16=4294967284, var_1_17=4294967293, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=644/5, var_1_21=0, var_1_22=25, var_1_23=-32, var_1_25=125, var_1_27=127, var_1_2=0, var_1_30=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_3=0, var_1_4=0, var_1_7=2, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 24, 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=46occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 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 00:57:16,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 24ca5306f015ab172719330a0597265b0f70dab4b133299f4b32574bb8d8923a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:57:19,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:57:19,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:57:19,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:57:19,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:57:19,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:57:19,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:57:19,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:57:19,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:57:19,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:57:19,225 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:57:19,226 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:57:19,227 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:57:19,229 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:57:19,229 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:57:19,230 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:57:19,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:57:19,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:57:19,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:57:19,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:57:19,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:57:19,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:57:19,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:57:19,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:57:19,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:57:19,237 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:57:19,237 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:57:19,238 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:57:19,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:57:19,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:57:19,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:57:19,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:57:19,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:57:19,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:19,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:57:19,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:57:19,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:57:19,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:57:19,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:57:19,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:57:19,245 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:57:19,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:57:19,246 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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24ca5306f015ab172719330a0597265b0f70dab4b133299f4b32574bb8d8923a [2023-11-12 00:57:19,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:57:19,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:57:19,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:57:19,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:57:19,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:57:19,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i [2023-11-12 00:57:22,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:57:23,179 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:57:23,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i [2023-11-12 00:57:23,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data/f2a62f66d/c901dc16381a46ffa6b7d322437bbbae/FLAGdb4bf0b5b [2023-11-12 00:57:23,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/data/f2a62f66d/c901dc16381a46ffa6b7d322437bbbae [2023-11-12 00:57:23,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:57:23,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:57:23,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:23,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:57:23,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:57:23,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1c7fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23, skipping insertion in model container [2023-11-12 00:57:23,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:57:23,468 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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i[919,932] [2023-11-12 00:57:23,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:23,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:57:23,650 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_99c30b92-0b1e-471e-8450-f6f39f6ef0af/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i[919,932] [2023-11-12 00:57:23,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:23,760 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:57:23,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23 WrapperNode [2023-11-12 00:57:23,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:23,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:23,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:57:23,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:57:23,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,846 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-12 00:57:23,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:23,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:57:23,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:57:23,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:57:23,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:57:23,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:57:23,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:57:23,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:57:23,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:23,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:23,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:24,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:57:24,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:57:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:57:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:57:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:57:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:57:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:57:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:57:24,184 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:57:24,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:57:27,090 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:57:27,098 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:57:27,098 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:57:27,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:27 BoogieIcfgContainer [2023-11-12 00:57:27,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:57:27,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:57:27,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:57:27,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:57:27,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:57:23" (1/3) ... [2023-11-12 00:57:27,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26099736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:27, skipping insertion in model container [2023-11-12 00:57:27,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (2/3) ... [2023-11-12 00:57:27,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26099736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:27, skipping insertion in model container [2023-11-12 00:57:27,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:27" (3/3) ... [2023-11-12 00:57:27,129 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-11.i [2023-11-12 00:57:27,151 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:57:27,151 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:57:27,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:57:27,220 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;@4394a549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:57:27,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:57:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.5) internal successors, (81), 55 states have internal predecessors, (81), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:57:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 00:57:27,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:27,243 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:27,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:27,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:27,249 INFO L85 PathProgramCache]: Analyzing trace with hash 898373128, now seen corresponding path program 1 times [2023-11-12 00:57:27,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:57:27,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254973564] [2023-11-12 00:57:27,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:27,270 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 00:57:27,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:57:27,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:27,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:27,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:57:27,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-12 00:57:27,742 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:57:27,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:57:27,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254973564] [2023-11-12 00:57:27,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254973564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:27,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:27,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:57:27,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007667956] [2023-11-12 00:57:27,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:27,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:57:27,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:57:27,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:57:27,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:57:27,804 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.5) internal successors, (81), 55 states have internal predecessors, (81), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:57:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:27,886 INFO L93 Difference]: Finished difference Result 155 states and 276 transitions. [2023-11-12 00:57:27,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:57:27,889 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2023-11-12 00:57:27,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:27,902 INFO L225 Difference]: With dead ends: 155 [2023-11-12 00:57:27,903 INFO L226 Difference]: Without dead ends: 77 [2023-11-12 00:57:27,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 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 00:57:27,912 INFO L413 NwaCegarLoop]: 120 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, 120 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 00:57:27,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:57:27,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-12 00:57:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-12 00:57:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:57:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2023-11-12 00:57:27,972 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 155 [2023-11-12 00:57:27,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:27,973 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2023-11-12 00:57:27,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:57:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2023-11-12 00:57:27,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 00:57:27,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:27,981 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:28,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:28,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:28,206 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:28,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:28,207 INFO L85 PathProgramCache]: Analyzing trace with hash -999648376, now seen corresponding path program 1 times [2023-11-12 00:57:28,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:57:28,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285534286] [2023-11-12 00:57:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:28,209 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 00:57:28,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:57:28,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:28,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:28,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:57:28,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:57:29,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:57:29,160 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:57:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285534286] [2023-11-12 00:57:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285534286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:29,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:29,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:57:29,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423538958] [2023-11-12 00:57:29,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:29,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:57:29,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:57:29,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:57:29,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:57:29,165 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:31,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:31,152 INFO L93 Difference]: Finished difference Result 212 states and 335 transitions. [2023-11-12 00:57:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:57:31,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2023-11-12 00:57:31,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:31,172 INFO L225 Difference]: With dead ends: 212 [2023-11-12 00:57:31,172 INFO L226 Difference]: Without dead ends: 138 [2023-11-12 00:57:31,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:57:31,175 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 28 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:31,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 229 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 00:57:31,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-12 00:57:31,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 125. [2023-11-12 00:57:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-12 00:57:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 194 transitions. [2023-11-12 00:57:31,209 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 194 transitions. Word has length 155 [2023-11-12 00:57:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:31,211 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 194 transitions. [2023-11-12 00:57:31,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-12 00:57:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 00:57:31,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:31,215 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:31,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:31,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:31,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:31,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:31,431 INFO L85 PathProgramCache]: Analyzing trace with hash 280215302, now seen corresponding path program 1 times [2023-11-12 00:57:31,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:57:31,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528492980] [2023-11-12 00:57:31,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:31,433 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 00:57:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:57:31,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:31,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (4)] Waiting until timeout for monitored process [2023-11-12 00:57:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:31,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:57:31,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:57:33,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:57:33,259 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:57:33,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528492980] [2023-11-12 00:57:33,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528492980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:33,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:33,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:57:33,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68906229] [2023-11-12 00:57:33,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:33,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:57:33,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:57:33,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:57:33,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:57:33,264 INFO L87 Difference]: Start difference. First operand 125 states and 194 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:33,794 INFO L93 Difference]: Finished difference Result 226 states and 354 transitions. [2023-11-12 00:57:33,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:57:33,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2023-11-12 00:57:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:33,800 INFO L225 Difference]: With dead ends: 226 [2023-11-12 00:57:33,800 INFO L226 Difference]: Without dead ends: 152 [2023-11-12 00:57:33,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:57:33,802 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 113 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:33,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 402 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:57:33,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-12 00:57:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 134. [2023-11-12 00:57:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-12 00:57:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 210 transitions. [2023-11-12 00:57:33,837 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 210 transitions. Word has length 155 [2023-11-12 00:57:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:33,838 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 210 transitions. [2023-11-12 00:57:33,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-11-12 00:57:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 00:57:33,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:33,856 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:33,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:34,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:34,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:34,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:34,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1562798992, now seen corresponding path program 1 times [2023-11-12 00:57:34,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:57:34,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139075467] [2023-11-12 00:57:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:34,074 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 00:57:34,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:57:34,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:34,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (5)] Waiting until timeout for monitored process [2023-11-12 00:57:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:34,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:57:34,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-12 00:57:34,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:57:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:57:35,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:57:35,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139075467] [2023-11-12 00:57:35,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139075467] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:57:35,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [475102686] [2023-11-12 00:57:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:57:35,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:57:35,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:57:35,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:57:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:35,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:57:35,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:57:35,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:57:35,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [475102686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:35,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:57:35,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-11-12 00:57:35,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432936547] [2023-11-12 00:57:35,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:35,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:57:35,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:57:35,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:57:35,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:57:35,977 INFO L87 Difference]: Start difference. First operand 134 states and 210 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:37,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:57:37,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:37,655 INFO L93 Difference]: Finished difference Result 279 states and 438 transitions. [2023-11-12 00:57:37,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:57:37,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2023-11-12 00:57:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:37,660 INFO L225 Difference]: With dead ends: 279 [2023-11-12 00:57:37,660 INFO L226 Difference]: Without dead ends: 205 [2023-11-12 00:57:37,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 455 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:57:37,662 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 108 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:37,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 531 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-12 00:57:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-11-12 00:57:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 190. [2023-11-12 00:57:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 114 states have (on average 1.3245614035087718) internal successors, (151), 114 states have internal predecessors, (151), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-12 00:57:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 295 transitions. [2023-11-12 00:57:37,717 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 295 transitions. Word has length 156 [2023-11-12 00:57:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:37,719 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 295 transitions. [2023-11-12 00:57:37,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 295 transitions. [2023-11-12 00:57:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 00:57:37,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:37,722 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:37,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:37,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:38,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:57:38,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:38,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:38,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1564646034, now seen corresponding path program 1 times [2023-11-12 00:57:38,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:57:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752577833] [2023-11-12 00:57:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:38,141 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 00:57:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:57:38,146 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:38,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (7)] Waiting until timeout for monitored process [2023-11-12 00:57:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:38,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:57:38,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-12 00:57:38,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:57:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:57:39,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:57:39,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752577833] [2023-11-12 00:57:39,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752577833] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:57:39,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1839066593] [2023-11-12 00:57:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:39,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:57:39,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:57:39,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:57:39,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-12 00:57:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:40,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:57:40,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:57:41,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:57:41,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1839066593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:41,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:57:41,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2023-11-12 00:57:41,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352347619] [2023-11-12 00:57:41,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:41,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:57:41,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:57:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:57:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:57:41,186 INFO L87 Difference]: Start difference. First operand 190 states and 295 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:42,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:57:48,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:57:48,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:48,040 INFO L93 Difference]: Finished difference Result 324 states and 503 transitions. [2023-11-12 00:57:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:57:48,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2023-11-12 00:57:48,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:48,063 INFO L225 Difference]: With dead ends: 324 [2023-11-12 00:57:48,063 INFO L226 Difference]: Without dead ends: 194 [2023-11-12 00:57:48,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 455 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:57:48,067 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 104 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:48,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 272 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-12 00:57:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-12 00:57:48,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2023-11-12 00:57:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 114 states have (on average 1.2894736842105263) internal successors, (147), 114 states have internal predecessors, (147), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-12 00:57:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 291 transitions. [2023-11-12 00:57:48,127 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 291 transitions. Word has length 156 [2023-11-12 00:57:48,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:48,129 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 291 transitions. [2023-11-12 00:57:48,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:57:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 291 transitions. [2023-11-12 00:57:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-12 00:57:48,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:48,135 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:48,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:48,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:48,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:48,542 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:48,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:48,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1470022321, now seen corresponding path program 1 times [2023-11-12 00:57:48,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:57:48,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138180904] [2023-11-12 00:57:48,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:48,543 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 00:57:48,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:57:48,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 00:57:48,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/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 (9)] Waiting until timeout for monitored process [2023-11-12 00:57:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:48,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:57:48,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-12 00:57:49,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:57:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:57:49,712 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:57:49,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138180904] [2023-11-12 00:57:49,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138180904] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:57:49,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [412250656] [2023-11-12 00:57:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:49,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:57:49,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:57:49,717 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:57:49,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c30b92-0b1e-471e-8450-f6f39f6ef0af/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-12 00:57:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:51,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:57:51,046 INFO L285 TraceCheckSpWp]: Computing forward predicates...