./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire --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 f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:11,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:11,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:38:11,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:11,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:11,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:11,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:11,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:11,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:11,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:11,622 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:11,623 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:11,624 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:11,626 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:38:11,626 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:11,627 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:11,627 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:38:11,628 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:38:11,628 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:11,629 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:38:11,629 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:38:11,630 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:38:11,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:11,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:11,632 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:38:11,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:38:11,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:38:11,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:11,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:11,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:11,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:11,637 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:38:11,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:11,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:11,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:11,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:11,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:11,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:11,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:11,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:11,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:11,640 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:38:11,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:38:11,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:11,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:11,641 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:11,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:11,642 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_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba [2023-11-23 20:38:11,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:11,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:11,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:11,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:11,946 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:11,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2023-11-23 20:38:15,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:15,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:15,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2023-11-23 20:38:15,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data/1369a12ea/3e0de686c0b44918b76fe01bd70d7c3b/FLAGdffcc9244 [2023-11-23 20:38:15,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data/1369a12ea/3e0de686c0b44918b76fe01bd70d7c3b [2023-11-23 20:38:15,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:15,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:15,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:15,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:15,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:15,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:15" (1/1) ... [2023-11-23 20:38:15,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a36f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:15, skipping insertion in model container [2023-11-23 20:38:15,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:15" (1/1) ... [2023-11-23 20:38:15,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:15,874 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_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2023-11-23 20:38:15,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:15,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:16,010 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_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2023-11-23 20:38:16,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:16,134 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:16,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16 WrapperNode [2023-11-23 20:38:16,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:16,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:16,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:16,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:16,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,266 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-23 20:38:16,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:16,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:16,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:16,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:16,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:16,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:16,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:16,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:16,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (1/1) ... [2023-11-23 20:38:16,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:16,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:16,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:16,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:38:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:38:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:16,569 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:16,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:17,275 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:17,768 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:17,769 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:17,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:17 BoogieIcfgContainer [2023-11-23 20:38:17,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:17,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:17,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:17,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:17,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:15" (1/3) ... [2023-11-23 20:38:17,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f12cb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:17, skipping insertion in model container [2023-11-23 20:38:17,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:16" (2/3) ... [2023-11-23 20:38:17,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f12cb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:17, skipping insertion in model container [2023-11-23 20:38:17,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:17" (3/3) ... [2023-11-23 20:38:17,786 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2023-11-23 20:38:17,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:17,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:17,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:17,881 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;@20bf1644, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:17,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:38:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 20:38:17,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:17,905 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:17,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:17,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:17,915 INFO L85 PathProgramCache]: Analyzing trace with hash -255988554, now seen corresponding path program 1 times [2023-11-23 20:38:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:17,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080432753] [2023-11-23 20:38:17,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:17,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:18,107 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:38:18,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514568041] [2023-11-23 20:38:18,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:18,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:18,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:18,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:38:18,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:38:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:38:18,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:38:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:38:18,689 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:38:18,691 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:38:18,693 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:38:18,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:38:18,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:38:18,905 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:38:18,912 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:38:19,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:38:19 BoogieIcfgContainer [2023-11-23 20:38:19,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:38:19,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:38:19,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:38:19,097 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:38:19,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:17" (3/4) ... [2023-11-23 20:38:19,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:38:19,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:38:19,103 INFO L158 Benchmark]: Toolchain (without parser) took 3449.05ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 114.6MB in the beginning and 145.6MB in the end (delta: -30.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-23 20:38:19,103 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:19,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.40ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 98.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:38:19,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.77ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 91.0MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:38:19,111 INFO L158 Benchmark]: Boogie Preprocessor took 92.30ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 88.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:38:19,112 INFO L158 Benchmark]: RCFGBuilder took 1409.75ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 88.0MB in the beginning and 111.0MB in the end (delta: -23.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-23 20:38:19,114 INFO L158 Benchmark]: TraceAbstraction took 1321.64ms. Allocated memory is still 188.7MB. Free memory was 109.9MB in the beginning and 145.6MB in the end (delta: -35.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 20:38:19,114 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 188.7MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:19,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.40ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 98.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.77ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 91.0MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.30ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 88.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1409.75ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 88.0MB in the beginning and 111.0MB in the end (delta: -23.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1321.64ms. Allocated memory is still 188.7MB. Free memory was 109.9MB in the beginning and 145.6MB in the end (delta: -35.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 188.7MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of bitwiseOr at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someUnaryFLOAToperation at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] double var_1_30 = 2.75; [L44] unsigned char var_1_32 = 8; [L45] float var_1_35 = 1.15; [L46] float var_1_38 = 1000000.4; [L47] float var_1_39 = 32.25; [L48] signed char var_1_42 = -25; [L49] signed char var_1_46 = -1; [L50] unsigned char var_1_47 = 0; [L51] unsigned char var_1_49 = 1; [L52] unsigned char var_1_50 = 1; [L53] unsigned char last_1_var_1_15 = 0; [L177] isInitial = 1 [L178] FCALL initially() [L179] COND TRUE 1 [L180] CALL updateLastVariables() [L170] last_1_var_1_15 = var_1_15 [L180] RET updateLastVariables() [L181] CALL updateVariables() [L127] var_1_2 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L130] var_1_3 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L133] var_1_7 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L135] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L136] var_1_8 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L138] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L139] var_1_9 = __VERIFIER_nondet_short() [L140] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L141] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L142] var_1_12 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L144] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L145] var_1_13 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L147] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L148] var_1_21 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L150] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L151] var_1_23 = __VERIFIER_nondet_short() [L152] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L153] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L154] var_1_25 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L156] var_1_26 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L158] var_1_27 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L160] var_1_28 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L162] var_1_46 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_46 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_46 >= -63) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L164] CALL assume_abort_if_not(var_1_46 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_46 <= 63) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L165] var_1_49 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_49 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_49 >= 1) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L167] CALL assume_abort_if_not(var_1_49 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_49 <= 1) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=255, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L181] RET updateVariables() [L182] CALL step() [L57] COND FALSE !(\read(last_1_var_1_15)) [L60] COND FALSE !(\read(var_1_10)) [L63] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) [L65] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L66] var_1_15 = var_1_12 [L68] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L75] var_1_19 = var_1_2 [L77] COND TRUE var_1_24 != var_1_24 [L78] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L80] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); [L81] COND TRUE stepLocal_1 >= var_1_29 [L82] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) [L84] COND FALSE !(\read(var_1_15)) [L87] signed long int stepLocal_0 = var_1_2 - var_1_3; [L88] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L89] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L93] var_1_30 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) [L94] var_1_32 = (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_3) [L95] var_1_35 = ((((var_1_27) > (((((8.9f) > ((var_1_27 - var_1_27))) ? (8.9f) : ((var_1_27 - var_1_27)))))) ? (var_1_27) : (((((8.9f) > ((var_1_27 - var_1_27))) ? (8.9f) : ((var_1_27 - var_1_27))))))) [L96] var_1_38 = ((((50.8f) < 0 ) ? -(50.8f) : (50.8f))) [L97] COND TRUE (~ var_1_3) < (var_1_3 * var_1_2) [L98] COND FALSE !(\read(var_1_10)) [L101] EXPR var_1_3 | var_1_2 [L101] COND TRUE (var_1_3 | var_1_2) >= var_1_3 [L102] var_1_39 = var_1_27 [L108] COND FALSE !(\read(var_1_10)) [L115] COND TRUE var_1_28 >= ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) [L116] var_1_47 = var_1_13 [L124] var_1_50 = var_1_13 [L182] RET step() [L183] CALL, EXPR property() [L173-L174] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; [L183] RET, EXPR property() [L183] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=255, var_1_1=255, var_1_23=-16383, var_1_24=4, var_1_25=0, var_1_26=0, var_1_27=5, var_1_28=0, var_1_29=255, var_1_2=255, var_1_30=2, var_1_32=16, var_1_35=5, var_1_38=3, var_1_39=5, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32503, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=255, var_1_1=255, var_1_23=-16383, var_1_24=4, var_1_25=0, var_1_26=0, var_1_27=5, var_1_28=0, var_1_29=255, var_1_2=255, var_1_30=2, var_1_32=16, var_1_35=5, var_1_38=3, var_1_39=5, var_1_3=8, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32503, var_1_7=32767, var_1_8=16383, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:38:19,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire --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 f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:21,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:21,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:38:21,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:21,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:22,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:22,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:22,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:22,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:22,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:22,050 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:22,050 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:22,051 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:22,053 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:22,053 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:22,053 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:22,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:22,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:22,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:38:22,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:38:22,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:22,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:22,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:22,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:22,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:38:22,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:38:22,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:38:22,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:38:22,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:22,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:22,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:22,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:38:22,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:22,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:22,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:22,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:22,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:22,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:22,065 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:38:22,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:38:22,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:22,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:22,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:22,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:22,068 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_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba [2023-11-23 20:38:22,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:22,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:22,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:22,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:22,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:22,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2023-11-23 20:38:25,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:26,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:26,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2023-11-23 20:38:26,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data/10079bd46/ef5e1f723921465ab366ed541afcad56/FLAGc61636334 [2023-11-23 20:38:26,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/data/10079bd46/ef5e1f723921465ab366ed541afcad56 [2023-11-23 20:38:26,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:26,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:26,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:26,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:26,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:26,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b4611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26, skipping insertion in model container [2023-11-23 20:38:26,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:26,455 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2023-11-23 20:38:26,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:26,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:26,634 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_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2023-11-23 20:38:26,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:26,718 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:26,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26 WrapperNode [2023-11-23 20:38:26,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:26,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:26,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:26,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:26,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,800 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-23 20:38:26,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:26,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:26,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:26,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:26,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:26,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:26,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:26,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:26,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (1/1) ... [2023-11-23 20:38:26,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:26,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:26,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:26,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:38:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:38:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:38:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:27,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:27,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:35,031 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:35,138 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:35,142 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:35,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:35 BoogieIcfgContainer [2023-11-23 20:38:35,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:35,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:35,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:35,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:35,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:26" (1/3) ... [2023-11-23 20:38:35,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ba4bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:35, skipping insertion in model container [2023-11-23 20:38:35,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:26" (2/3) ... [2023-11-23 20:38:35,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ba4bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:35, skipping insertion in model container [2023-11-23 20:38:35,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:35" (3/3) ... [2023-11-23 20:38:35,157 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2023-11-23 20:38:35,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:35,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:35,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:35,262 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;@650ea186, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:35,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 45 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:38:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 20:38:35,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:35,293 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:35,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:35,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash 734818711, now seen corresponding path program 1 times [2023-11-23 20:38:35,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:35,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30551110] [2023-11-23 20:38:35,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:35,343 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 [2023-11-23 20:38:35,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:35,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:38:35,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:38:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:36,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:38:36,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-11-23 20:38:36,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:36,683 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:38:36,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30551110] [2023-11-23 20:38:36,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30551110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:36,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:38:36,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496330677] [2023-11-23 20:38:36,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:36,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:38:36,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:38:36,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:38:36,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:38:36,728 INFO L87 Difference]: Start difference. First operand has 73 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 45 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 20:38:39,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:39,214 INFO L93 Difference]: Finished difference Result 143 states and 258 transitions. [2023-11-23 20:38:39,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:38:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-11-23 20:38:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:39,347 INFO L225 Difference]: With dead ends: 143 [2023-11-23 20:38:39,347 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 20:38:39,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:38:39,355 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:39,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 20:38:39,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 20:38:39,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-23 20:38:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:38:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 110 transitions. [2023-11-23 20:38:39,409 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 110 transitions. Word has length 164 [2023-11-23 20:38:39,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:39,409 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 110 transitions. [2023-11-23 20:38:39,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 20:38:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2023-11-23 20:38:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 20:38:39,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:39,414 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:39,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:38:39,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:38:39,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:39,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1072890400, now seen corresponding path program 1 times [2023-11-23 20:38:39,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:39,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078304653] [2023-11-23 20:38:39,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:39,634 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 [2023-11-23 20:38:39,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:39,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:38:39,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:38:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:40,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:38:40,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 20:38:44,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:44,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:38:44,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078304653] [2023-11-23 20:38:44,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078304653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:44,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:44,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:38:44,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998471164] [2023-11-23 20:38:44,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:44,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:44,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:38:44,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:44,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:44,823 INFO L87 Difference]: Start difference. First operand 71 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 20:38:47,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:49,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:51,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:54,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:56,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:58,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:39:00,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:39:02,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:39:02,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:39:02,210 INFO L93 Difference]: Finished difference Result 251 states and 387 transitions. [2023-11-23 20:39:02,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:39:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-11-23 20:39:02,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:39:02,367 INFO L225 Difference]: With dead ends: 251 [2023-11-23 20:39:02,368 INFO L226 Difference]: Without dead ends: 181 [2023-11-23 20:39:02,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:39:02,371 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 116 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 57 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:39:02,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 367 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 17.3s Time] [2023-11-23 20:39:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-23 20:39:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 139. [2023-11-23 20:39:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 20:39:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2023-11-23 20:39:02,428 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 165 [2023-11-23 20:39:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:39:02,433 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2023-11-23 20:39:02,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 20:39:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2023-11-23 20:39:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 20:39:02,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:39:02,445 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:39:02,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:39:02,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:02,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:39:02,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:39:02,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1227932190, now seen corresponding path program 1 times [2023-11-23 20:39:02,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:39:02,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18592277] [2023-11-23 20:39:02,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:39:02,652 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 [2023-11-23 20:39:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:39:02,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:39:02,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5e2d2e-a8e1-4ae5-be37-aa7e1ce732d7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:39:03,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:39:03,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:39:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 20:39:07,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:39:07,866 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:39:07,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18592277] [2023-11-23 20:39:07,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18592277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:39:07,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:39:07,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:39:07,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871473333] [2023-11-23 20:39:07,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:39:07,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:39:07,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:39:07,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:39:07,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:39:07,870 INFO L87 Difference]: Start difference. First operand 139 states and 216 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 20:39:10,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:39:13,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:39:15,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []