./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:02,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:03,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:38:03,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:03,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:03,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:03,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:03,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:03,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:03,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:03,100 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:03,100 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:03,101 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:03,102 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:38:03,102 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:03,103 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:03,103 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:38:03,104 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:38:03,105 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:03,105 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:38:03,106 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:38:03,107 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:38:03,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:03,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:03,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:38:03,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:38:03,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:38:03,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:03,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:03,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:03,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:03,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:38:03,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:03,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:03,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:03,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:03,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:03,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:03,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:03,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:03,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:03,117 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:38:03,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:38:03,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:03,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:03,118 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:03,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:03,118 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_a59889a0-afc9-473f-b640-0e3808ac4dfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 [2023-11-23 20:38:03,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:03,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:03,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:03,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:03,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:03,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-23 20:38:06,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:06,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:06,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-23 20:38:06,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data/7c15523af/b95992d6e7734123ab1069217e9aaa83/FLAG18a18b0ef [2023-11-23 20:38:06,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data/7c15523af/b95992d6e7734123ab1069217e9aaa83 [2023-11-23 20:38:06,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:06,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:06,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:06,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:06,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:06,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b465227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06, skipping insertion in model container [2023-11-23 20:38:06,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:07,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:07,270 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_a59889a0-afc9-473f-b640-0e3808ac4dfb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-23 20:38:07,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:07,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:07,435 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_a59889a0-afc9-473f-b640-0e3808ac4dfb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-23 20:38:07,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:07,540 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:07,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07 WrapperNode [2023-11-23 20:38:07,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:07,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:07,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:07,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:07,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,609 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2023-11-23 20:38:07,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:07,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:07,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:07,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:07,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:07,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:07,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:07,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:07,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (1/1) ... [2023-11-23 20:38:07,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:07,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:07,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:07,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:38:07,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:38:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:07,920 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:07,922 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:08,545 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:08,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:08,817 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:08,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:08 BoogieIcfgContainer [2023-11-23 20:38:08,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:08,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:08,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:08,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:08,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:06" (1/3) ... [2023-11-23 20:38:08,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bdad5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:08, skipping insertion in model container [2023-11-23 20:38:08,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:07" (2/3) ... [2023-11-23 20:38:08,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bdad5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:08, skipping insertion in model container [2023-11-23 20:38:08,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:08" (3/3) ... [2023-11-23 20:38:08,833 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-63.i [2023-11-23 20:38:08,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:08,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:08,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:08,932 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;@1e875847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:08,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:08,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 20:38:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 20:38:08,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:08,960 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:08,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:08,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:08,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1786148409, now seen corresponding path program 1 times [2023-11-23 20:38:08,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:08,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474869779] [2023-11-23 20:38:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:08,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:38:09,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:38:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:38:10,263 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:38:10,265 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:38:10,267 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:38:10,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:38:10,276 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:38:10,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:38:10,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:38:10 BoogieIcfgContainer [2023-11-23 20:38:10,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:38:10,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:38:10,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:38:10,498 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:38:10,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:08" (3/4) ... [2023-11-23 20:38:10,505 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:38:10,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:38:10,508 INFO L158 Benchmark]: Toolchain (without parser) took 3542.70ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 125.9MB in the beginning and 168.1MB in the end (delta: -42.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:10,509 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:10,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.13ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 111.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:38:10,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.46ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 107.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:38:10,513 INFO L158 Benchmark]: Boogie Preprocessor took 52.71ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 106.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:38:10,519 INFO L158 Benchmark]: RCFGBuilder took 1155.36ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 101.4MB in the end (delta: 4.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:38:10,521 INFO L158 Benchmark]: TraceAbstraction took 1673.24ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 100.6MB in the beginning and 168.1MB in the end (delta: -67.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-11-23 20:38:10,521 INFO L158 Benchmark]: Witness Printer took 9.12ms. Allocated memory is still 205.5MB. Free memory is still 168.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:10,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.13ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 111.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.46ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 107.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.71ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 106.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1155.36ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 101.4MB in the end (delta: 4.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1673.24ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 100.6MB in the beginning and 168.1MB in the end (delta: -67.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Witness Printer took 9.12ms. Allocated memory is still 205.5MB. Free memory is still 168.1MB. 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 157, overapproximation of bitwiseOr at line 56, overapproximation of shiftRight at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 50; [L24] unsigned long int var_1_3 = 8; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = -100; [L27] signed long int var_1_6 = 8; [L28] unsigned char var_1_7 = 0; [L29] signed long int var_1_8 = 128; [L30] signed long int var_1_9 = 2; [L31] signed long int var_1_10 = 128; [L32] unsigned short int var_1_11 = 500; [L33] unsigned short int var_1_12 = 128; [L34] unsigned char var_1_13 = 64; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 8; [L37] double var_1_17 = 7.5; [L38] double var_1_18 = 31.125; [L39] double var_1_19 = 10.5; [L40] double var_1_20 = 0.0; [L41] double var_1_21 = 16.75; [L42] double var_1_22 = 2.5; [L43] double var_1_23 = 64.5; [L44] signed long int var_1_24 = 10; [L45] signed long int var_1_25 = -64; [L46] signed char var_1_26 = 16; [L47] signed char var_1_27 = 4; [L48] signed char var_1_28 = -10; [L49] float var_1_29 = 63.794; [L50] unsigned short int var_1_30 = 1; [L51] signed long int var_1_31 = -2; [L52] unsigned char var_1_32 = 64; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] FCALL updateLastVariables() [L165] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L98] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L99] var_1_3 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L102] var_1_4 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L105] var_1_5 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_5 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 >= -536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_5 <= 536870912) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_5 <= 536870912) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L108] var_1_6 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_6 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 >= -536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L110] CALL assume_abort_if_not(var_1_6 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_6 <= 536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L111] var_1_7 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_8=128, var_1_9=2] [L113] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L114] var_1_8 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L116] CALL assume_abort_if_not(var_1_8 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 2147483646) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L117] var_1_9 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L119] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L120] var_1_10 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L122] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L123] var_1_12 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L125] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L126] var_1_15 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L128] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L129] var_1_16 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L131] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L132] var_1_18 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L134] var_1_19 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L136] var_1_20 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L138] var_1_21 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L140] var_1_22 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L142] var_1_23 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L144] var_1_25 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_25 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_25 >= -2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L146] CALL assume_abort_if_not(var_1_25 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_25 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L147] var_1_27 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L149] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L150] var_1_28 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L152] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L165] RET updateVariables() [L166] CALL step() [L56] EXPR (var_1_2 + 4u) | var_1_3 [L56] COND TRUE 32u < ((var_1_2 + 4u) | var_1_3) [L57] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L65] EXPR var_1_9 >> var_1_4 [L65] COND TRUE (var_1_9 >> var_1_4) < var_1_1 [L66] var_1_11 = var_1_12 [L68] COND TRUE var_1_2 != var_1_11 [L69] var_1_13 = ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) [L71] COND FALSE !(\read(var_1_7)) [L74] var_1_17 = var_1_22 [L76] COND TRUE ! var_1_7 [L77] var_1_24 = (var_1_11 - ((((((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) < ((var_1_13 + var_1_15))) ? (((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) : ((var_1_13 + var_1_15))))) [L85] COND TRUE var_1_8 >= var_1_1 [L86] var_1_26 = (var_1_27 + var_1_28) [L88] COND FALSE !(\read(var_1_7)) [L91] var_1_30 = var_1_12 [L92] var_1_31 = var_1_25 [L93] var_1_32 = var_1_16 [L166] RET step() [L167] CALL, EXPR property() [L157] EXPR (var_1_2 + 4u) | var_1_3 [L157] EXPR ((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1) [L157] EXPR var_1_9 >> var_1_4 [L157] EXPR ((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1) [L157-L158] return ((((((((((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1)) && ((var_1_2 != var_1_11) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) < ((var_1_13 + var_1_15))) ? (((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) : ((var_1_13 + var_1_15))))))) : ((var_1_10 < var_1_9) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_25))))) && ((var_1_8 >= var_1_1) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_12))) && (var_1_31 == ((signed long int) var_1_25))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=250, var_1_15=250, var_1_16=250, var_1_17=2147483651, var_1_1=500, var_1_20=31897/500, var_1_22=2147483651, var_1_23=2147483651, var_1_24=0, var_1_25=2147483646, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_2=29, var_1_30=500, var_1_31=2147483646, var_1_32=250, var_1_3=33, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=250, var_1_15=250, var_1_16=250, var_1_17=2147483651, var_1_1=500, var_1_20=31897/500, var_1_22=2147483651, var_1_23=2147483651, var_1_24=0, var_1_25=2147483646, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_2=29, var_1_30=500, var_1_31=2147483646, var_1_32=250, var_1_3=33, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 36, 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=66occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 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 20:38:10,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:13,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:13,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:38:13,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:13,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:13,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:13,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:13,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:13,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:13,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:13,657 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:13,658 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:13,658 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:13,659 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:13,660 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:13,660 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:13,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:13,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:13,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:38:13,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:38:13,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:13,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:13,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:13,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:13,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:38:13,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:38:13,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:38:13,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:38:13,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:13,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:13,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:13,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:38:13,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:13,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:13,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:13,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:13,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:13,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:13,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:38:13,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:38:13,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:13,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:13,676 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:13,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:13,677 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_a59889a0-afc9-473f-b640-0e3808ac4dfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 [2023-11-23 20:38:14,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:14,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:14,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:14,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:14,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:14,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-23 20:38:17,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:17,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:17,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-23 20:38:17,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data/fa0e313ec/0356e12639d74932b529bd4cbda9977a/FLAG571cd179c [2023-11-23 20:38:17,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/data/fa0e313ec/0356e12639d74932b529bd4cbda9977a [2023-11-23 20:38:17,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:17,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:17,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:17,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:17,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:17,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:17" (1/1) ... [2023-11-23 20:38:17,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b044a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:17, skipping insertion in model container [2023-11-23 20:38:17,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:17" (1/1) ... [2023-11-23 20:38:18,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:18,207 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_a59889a0-afc9-473f-b640-0e3808ac4dfb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-23 20:38:18,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:18,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:18,321 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_a59889a0-afc9-473f-b640-0e3808ac4dfb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-23 20:38:18,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:18,436 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:18,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18 WrapperNode [2023-11-23 20:38:18,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:18,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:18,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:18,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:18,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,537 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-23 20:38:18,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:18,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:18,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:18,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:18,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:18,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:18,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:18,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:18,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:18,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:18,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:18,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:38:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:38:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:38:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:18,878 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:18,882 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:23,625 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:23,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:23,685 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:23,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:23 BoogieIcfgContainer [2023-11-23 20:38:23,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:23,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:23,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:23,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:23,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:17" (1/3) ... [2023-11-23 20:38:23,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fea647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:23, skipping insertion in model container [2023-11-23 20:38:23,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (2/3) ... [2023-11-23 20:38:23,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fea647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:23, skipping insertion in model container [2023-11-23 20:38:23,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:23" (3/3) ... [2023-11-23 20:38:23,695 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-63.i [2023-11-23 20:38:23,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:23,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:23,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:23,795 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;@1e400287, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:23,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 20:38:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 20:38:23,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:23,832 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:23,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:23,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:23,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1504902004, now seen corresponding path program 1 times [2023-11-23 20:38:23,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:23,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060321560] [2023-11-23 20:38:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:23,858 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 20:38:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:23,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:23,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:24,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:38:24,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1174 proven. 0 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2023-11-23 20:38:24,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:24,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:38:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060321560] [2023-11-23 20:38:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060321560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:24,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:24,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:38:24,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654711753] [2023-11-23 20:38:24,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:24,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:38:24,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:38:24,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:38:24,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:38:24,761 INFO L87 Difference]: Start difference. First operand has 79 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 20:38:26,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:26,928 INFO L93 Difference]: Finished difference Result 155 states and 286 transitions. [2023-11-23 20:38:26,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:38:26,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 213 [2023-11-23 20:38:26,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:26,967 INFO L225 Difference]: With dead ends: 155 [2023-11-23 20:38:26,967 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 20:38:26,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 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 20:38:26,981 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:26,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 20:38:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 20:38:27,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 20:38:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 20:38:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2023-11-23 20:38:27,065 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 213 [2023-11-23 20:38:27,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:27,066 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2023-11-23 20:38:27,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 20:38:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-23 20:38:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 20:38:27,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:27,081 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:27,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:38:27,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:27,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:27,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:27,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1096220712, now seen corresponding path program 1 times [2023-11-23 20:38:27,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:27,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503055569] [2023-11-23 20:38:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:27,297 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 20:38:27,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:27,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:27,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:27,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:38:27,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 20:38:27,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:27,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:38:27,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503055569] [2023-11-23 20:38:27,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503055569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:27,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:27,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:38:27,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200577140] [2023-11-23 20:38:27,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:27,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:38:27,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:38:27,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:38:27,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:27,993 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 20:38:30,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:32,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:34,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:36,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:36,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:36,626 INFO L93 Difference]: Finished difference Result 184 states and 287 transitions. [2023-11-23 20:38:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:38:36,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 213 [2023-11-23 20:38:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:36,631 INFO L225 Difference]: With dead ends: 184 [2023-11-23 20:38:36,631 INFO L226 Difference]: Without dead ends: 108 [2023-11-23 20:38:36,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:36,634 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 39 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:36,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 228 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2023-11-23 20:38:36,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-23 20:38:36,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2023-11-23 20:38:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.25) internal successors, (70), 57 states have internal predecessors, (70), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 20:38:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 162 transitions. [2023-11-23 20:38:36,680 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 162 transitions. Word has length 213 [2023-11-23 20:38:36,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:36,681 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 162 transitions. [2023-11-23 20:38:36,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 20:38:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2023-11-23 20:38:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 20:38:36,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:36,687 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:36,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:36,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:36,899 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:36,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1096161130, now seen corresponding path program 1 times [2023-11-23 20:38:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:36,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957730698] [2023-11-23 20:38:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:36,901 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 20:38:36,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:36,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:36,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:37,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:38:37,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 20:38:37,445 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:37,445 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:38:37,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957730698] [2023-11-23 20:38:37,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957730698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:37,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:37,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:38:37,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156329030] [2023-11-23 20:38:37,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:37,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:38:37,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:38:37,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:38:37,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:37,449 INFO L87 Difference]: Start difference. First operand 105 states and 162 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 20:38:39,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:41,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:43,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:45,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:45,919 INFO L93 Difference]: Finished difference Result 219 states and 334 transitions. [2023-11-23 20:38:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:38:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 213 [2023-11-23 20:38:45,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:45,923 INFO L225 Difference]: With dead ends: 219 [2023-11-23 20:38:45,924 INFO L226 Difference]: Without dead ends: 115 [2023-11-23 20:38:45,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:45,926 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 43 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:45,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 259 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 8.4s Time] [2023-11-23 20:38:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-23 20:38:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 90. [2023-11-23 20:38:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 20:38:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 136 transitions. [2023-11-23 20:38:45,946 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 136 transitions. Word has length 213 [2023-11-23 20:38:45,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:45,948 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 136 transitions. [2023-11-23 20:38:45,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 20:38:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2023-11-23 20:38:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 20:38:45,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:45,953 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:45,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:38:46,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:46,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:46,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash 678846232, now seen corresponding path program 1 times [2023-11-23 20:38:46,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:46,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579594665] [2023-11-23 20:38:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:46,185 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 20:38:46,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:46,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 20:38:46,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59889a0-afc9-473f-b640-0e3808ac4dfb/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 (5)] Waiting until timeout for monitored process [2023-11-23 20:38:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:46,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:38:46,770 INFO L285 TraceCheckSpWp]: Computing forward predicates...