./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628ae357ecdbc8bffd368655bd28e8aec575a201b811d6a0f87cc4e59fcd6754 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:45,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:45,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:45,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:45,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:45,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:45,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:45,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:45,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:45,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:45,799 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:45,800 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:45,800 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:45,801 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:45,802 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:45,802 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:45,803 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:45,803 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:45,803 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:45,804 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:45,804 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:45,805 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:45,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:45,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:45,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:45,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:45,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:45,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:45,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:45,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:45,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:45,811 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:45,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:45,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:45,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:45,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:45,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:45,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:45,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:45,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:45,813 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:45,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:45,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:45,814 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:45,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:45,815 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_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628ae357ecdbc8bffd368655bd28e8aec575a201b811d6a0f87cc4e59fcd6754 [2023-11-12 00:08:46,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:46,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:46,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:46,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:46,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:46,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i [2023-11-12 00:08:49,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:49,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:49,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i [2023-11-12 00:08:49,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data/1628b153c/106734025ee74aeba9bc5bacdaed23d7/FLAGc3c4b1107 [2023-11-12 00:08:49,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data/1628b153c/106734025ee74aeba9bc5bacdaed23d7 [2023-11-12 00:08:49,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:49,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:49,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:49,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:49,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:49,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631edbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49, skipping insertion in model container [2023-11-12 00:08:49,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:49,698 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_9298d645-9faa-42c5-8bd2-b328fc515742/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i[919,932] [2023-11-12 00:08:49,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:49,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:49,824 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_9298d645-9faa-42c5-8bd2-b328fc515742/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i[919,932] [2023-11-12 00:08:49,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:49,885 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:49,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49 WrapperNode [2023-11-12 00:08:49,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:49,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:49,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:49,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:49,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,968 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2023-11-12 00:08:49,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:49,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:49,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:49,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:49,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:49,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:50,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:50,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:50,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:50,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:50,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:50,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:50,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:50,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:50,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (1/1) ... [2023-11-12 00:08:50,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:50,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:50,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:50,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:50,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:50,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:50,748 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:51,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:51,212 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:51,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:51 BoogieIcfgContainer [2023-11-12 00:08:51,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:51,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:51,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:51,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:51,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:49" (1/3) ... [2023-11-12 00:08:51,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb019e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:51, skipping insertion in model container [2023-11-12 00:08:51,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:49" (2/3) ... [2023-11-12 00:08:51,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb019e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:51, skipping insertion in model container [2023-11-12 00:08:51,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:51" (3/3) ... [2023-11-12 00:08:51,229 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i [2023-11-12 00:08:51,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:51,254 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:51,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:51,334 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;@cf2a0bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:51,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:08:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-12 00:08:51,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:51,357 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:51,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:51,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:51,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1762103634, now seen corresponding path program 1 times [2023-11-12 00:08:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:51,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736371949] [2023-11-12 00:08:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:51,630 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:51,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847967402] [2023-11-12 00:08:51,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:51,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:51,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:51,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:51,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:51,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:52,330 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:52,334 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:52,335 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:52,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:52,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:08:52,570 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:52,574 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:52,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:52 BoogieIcfgContainer [2023-11-12 00:08:52,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:52,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:52,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:52,738 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:52,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:51" (3/4) ... [2023-11-12 00:08:52,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:52,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:52,744 INFO L158 Benchmark]: Toolchain (without parser) took 3246.47ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 126.3MB in the beginning and 169.6MB in the end (delta: -43.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,745 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 130.6MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:52,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.72ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 111.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.65ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 107.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,747 INFO L158 Benchmark]: Boogie Preprocessor took 45.18ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,748 INFO L158 Benchmark]: RCFGBuilder took 1195.95ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 105.4MB in the beginning and 140.9MB in the end (delta: -35.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,750 INFO L158 Benchmark]: TraceAbstraction took 1519.25ms. Allocated memory is still 216.0MB. Free memory was 140.9MB in the beginning and 170.7MB in the end (delta: -29.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,752 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 216.0MB. Free memory was 170.7MB in the beginning and 169.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:52,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 130.6MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.72ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 111.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.65ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 107.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.18ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1195.95ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 105.4MB in the beginning and 140.9MB in the end (delta: -35.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1519.25ms. Allocated memory is still 216.0MB. Free memory was 140.9MB in the beginning and 170.7MB in the end (delta: -29.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 216.0MB. Free memory was 170.7MB in the beginning and 169.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 151, overapproximation of bitwiseOr at line 107, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of someBinaryArithmeticDOUBLEoperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_10 = 2; [L24] signed char var_1_11 = 1; [L25] float var_1_14 = 64.3; [L26] signed char var_1_16 = 32; [L27] unsigned char var_1_17 = 1; [L28] unsigned char var_1_18 = 0; [L29] unsigned char var_1_19 = 0; [L30] double var_1_20 = 9.25; [L31] double var_1_21 = 255.05; [L32] double var_1_22 = 25.5; [L33] unsigned char var_1_23 = 2; [L34] unsigned char var_1_25 = 1; [L35] unsigned short int var_1_26 = 5; [L36] unsigned char var_1_27 = 128; [L37] unsigned char var_1_28 = 1; [L38] signed long int var_1_29 = 128; [L39] unsigned long int var_1_31 = 1; [L40] unsigned long int var_1_32 = 64; [L41] unsigned long int var_1_37 = 3773873024; [L42] unsigned long int var_1_38 = 2296504360; [L43] unsigned long int var_1_39 = 16; [L44] unsigned long int var_1_40 = 2753961414; [L45] unsigned char var_1_41 = 8; [L46] signed short int var_1_43 = -50; [L47] signed char var_1_44 = -1; [L48] double var_1_47 = 255.2; [L49] double var_1_50 = 50.4; [L50] double var_1_51 = 49.25; [L51] double var_1_52 = 1000000.4; [L52] double var_1_53 = 256.2; [L53] signed char var_1_54 = -8; [L54] unsigned char last_1_var_1_17 = 1; [L55] double last_1_var_1_20 = 9.25; [L56] unsigned char last_1_var_1_23 = 2; [L57] unsigned short int last_1_var_1_26 = 5; [L58] signed long int last_1_var_1_29 = 128; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L191] last_1_var_1_17 = var_1_17 [L192] last_1_var_1_20 = var_1_20 [L193] last_1_var_1_23 = var_1_23 [L194] last_1_var_1_26 = var_1_26 [L195] last_1_var_1_29 = var_1_29 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L147] var_1_11 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L149] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L150] var_1_14 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L152] var_1_16 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L154] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L155] var_1_18 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L157] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L161] var_1_21 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L163] var_1_22 = __VERIFIER_nondet_double() [L164] 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, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L164] 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, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L165] var_1_25 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L167] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L168] var_1_27 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L170] CALL assume_abort_if_not(var_1_27 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 <= 255) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L171] var_1_28 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L173] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L174] var_1_37 = __VERIFIER_nondet_ulong() [L175] CALL assume_abort_if_not(var_1_37 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_37 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L176] CALL assume_abort_if_not(var_1_37 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_37 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L177] var_1_38 = __VERIFIER_nondet_ulong() [L178] CALL assume_abort_if_not(var_1_38 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_38 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L179] CALL assume_abort_if_not(var_1_38 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_38 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L180] var_1_40 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_40 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_40 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L182] CALL assume_abort_if_not(var_1_40 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_40 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L183] var_1_50 = __VERIFIER_nondet_double() [L184] CALL assume_abort_if_not((var_1_50 >= 0.0F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854765600e+12F && var_1_50 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_50 >= 0.0F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854765600e+12F && var_1_50 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L185] var_1_51 = __VERIFIER_nondet_double() [L186] CALL assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854765600e+12F && var_1_51 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=5, var_1_51=6, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854765600e+12F && var_1_51 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=5, var_1_51=6, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L187] var_1_52 = __VERIFIER_nondet_double() [L188] CALL assume_abort_if_not((var_1_52 >= 0.0F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=5, var_1_51=6, var_1_52=7, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not((var_1_52 >= 0.0F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=110, var_1_26=5, var_1_27=127, var_1_28=16, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967293, var_1_38=4294967293, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=5, var_1_51=6, var_1_52=7, var_1_53=1281/5, var_1_54=-8] [L206] RET updateVariables() [L207] CALL step() [L62] COND FALSE !((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) [L65] COND TRUE last_1_var_1_17 || last_1_var_1_17 [L66] COND TRUE (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20) [L67] var_1_10 = (var_1_11 + var_1_16) [L75] COND TRUE (last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26 [L76] var_1_23 = var_1_25 [L78] COND TRUE var_1_17 || var_1_18 [L79] COND FALSE !(var_1_11 >= var_1_16) [L93] var_1_17 = (var_1_18 && var_1_19) [L94] COND FALSE !(! var_1_18) [L97] COND TRUE 256 >= var_1_10 [L98] COND FALSE !(var_1_17 && (var_1_25 >= (var_1_27 - var_1_28))) [L101] var_1_26 = var_1_28 [L106] var_1_41 = var_1_25 [L107] EXPR var_1_37 ^ var_1_40 [L107] EXPR ((-8) > ((var_1_37 ^ var_1_40))) ? (-8) : ((var_1_37 ^ var_1_40)) [L107] EXPR var_1_37 ^ var_1_40 [L107] EXPR ((-8) > ((var_1_37 ^ var_1_40))) ? (-8) : ((var_1_37 ^ var_1_40)) [L107] COND FALSE !(var_1_23 <= ((((-8) > ((var_1_37 ^ var_1_40))) ? (-8) : ((var_1_37 ^ var_1_40))))) [L112] var_1_44 = 64 [L114] signed long int stepLocal_0 = var_1_23 * var_1_26; [L115] COND TRUE ((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20) [L116] COND FALSE !(stepLocal_0 <= (~ var_1_26)) [L119] var_1_1 = var_1_10 [L124] var_1_53 = 5.5 [L125] var_1_31 = var_1_26 [L126] COND FALSE !(var_1_37 <= ((((var_1_26) > (var_1_26)) ? (var_1_26) : (var_1_26)))) [L129] var_1_29 = var_1_1 [L130] COND TRUE var_1_18 && var_1_18 [L131] COND TRUE var_1_29 <= var_1_26 [L132] var_1_32 = (((((var_1_37) < (((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38))))) ? (var_1_37) : (((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38)))))) - var_1_29) [L135] COND TRUE (- var_1_38) <= (- var_1_37) [L136] var_1_39 = (2368197193u - var_1_23) [L144] var_1_54 = var_1_11 [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return ((((((((((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20)) ? (((var_1_23 * var_1_26) <= (~ var_1_26)) ? (var_1_1 == ((signed short int) (((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) + var_1_23))) : (var_1_1 == ((signed short int) var_1_10))) : (var_1_1 == ((signed short int) -50))) && (((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) ? (var_1_10 == ((signed char) (var_1_11 + 10))) : ((last_1_var_1_17 || last_1_var_1_17) ? (((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20)) ? (var_1_10 == ((signed char) (var_1_11 + var_1_16))) : (var_1_10 == ((signed char) var_1_11))) : (var_1_10 == ((signed char) var_1_16))))) && (var_1_17 == ((unsigned char) (var_1_18 && var_1_19)))) && ((! var_1_18) ? (var_1_20 == ((double) ((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22))))) : 1)) && (((last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26) ? (var_1_23 == ((unsigned char) var_1_25)) : 1)) && ((256 >= var_1_10) ? ((var_1_17 && (var_1_25 >= (var_1_27 - var_1_28))) ? (var_1_26 == ((unsigned short int) 16)) : (var_1_26 == ((unsigned short int) var_1_28))) : (var_1_26 == ((unsigned short int) var_1_25)))) && (var_1_29 == ((signed long int) var_1_1))) && (var_1_31 == ((unsigned long int) var_1_26)) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=-62, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-62, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=110, var_1_25=110, var_1_26=16, var_1_27=127, var_1_28=16, var_1_29=-62, var_1_31=16, var_1_32=59, var_1_37=4294967293, var_1_38=4294967293, var_1_39=2368197083, var_1_40=4294967294, var_1_41=110, var_1_43=-50, var_1_44=64, var_1_47=1276/5, var_1_50=5, var_1_51=6, var_1_52=7, var_1_53=11/2, var_1_54=-63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=-62, var_1_11=-63, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-62, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=110, var_1_25=110, var_1_26=16, var_1_27=127, var_1_28=16, var_1_29=-62, var_1_31=16, var_1_32=59, var_1_37=4294967293, var_1_38=4294967293, var_1_39=2368197083, var_1_40=4294967294, var_1_41=110, var_1_43=-50, var_1_44=64, var_1_47=1276/5, var_1_50=5, var_1_51=6, var_1_52=7, var_1_53=11/2, var_1_54=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:08:52,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628ae357ecdbc8bffd368655bd28e8aec575a201b811d6a0f87cc4e59fcd6754 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:55,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:55,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:55,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:55,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:55,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:55,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:55,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:55,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:55,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:55,574 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:55,574 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:55,575 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:55,576 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:55,577 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:55,577 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:55,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:55,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:55,579 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:55,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:55,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:55,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:55,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:55,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:55,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:55,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:55,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:55,583 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:55,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:55,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:55,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:55,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:55,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:55,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:55,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:55,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:55,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:55,586 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:55,587 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:55,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:55,588 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:55,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:55,588 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_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628ae357ecdbc8bffd368655bd28e8aec575a201b811d6a0f87cc4e59fcd6754 [2023-11-12 00:08:56,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:56,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:56,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:56,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:56,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:56,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i [2023-11-12 00:08:59,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:59,643 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:59,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i [2023-11-12 00:08:59,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data/418a95d8c/916364988aad458e9b4b6c0f96c195de/FLAG965b604e7 [2023-11-12 00:08:59,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/data/418a95d8c/916364988aad458e9b4b6c0f96c195de [2023-11-12 00:08:59,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:59,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:59,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:59,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:59,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:59,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:59" (1/1) ... [2023-11-12 00:08:59,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a328635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:59, skipping insertion in model container [2023-11-12 00:08:59,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:59" (1/1) ... [2023-11-12 00:08:59,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:59,931 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_9298d645-9faa-42c5-8bd2-b328fc515742/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i[919,932] [2023-11-12 00:09:00,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:00,077 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:00,090 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_9298d645-9faa-42c5-8bd2-b328fc515742/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i[919,932] [2023-11-12 00:09:00,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:00,173 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:00,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00 WrapperNode [2023-11-12 00:09:00,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:00,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:00,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:00,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:00,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,266 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2023-11-12 00:09:00,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:00,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:00,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:00,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:00,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:00,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:00,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:00,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:00,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (1/1) ... [2023-11-12 00:09:00,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:00,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:00,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:00,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:09:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:00,604 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:00,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:08,152 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:08,161 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:08,161 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:08,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:08 BoogieIcfgContainer [2023-11-12 00:09:08,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:08,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:08,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:08,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:08,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:59" (1/3) ... [2023-11-12 00:09:08,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff130df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:08, skipping insertion in model container [2023-11-12 00:09:08,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:00" (2/3) ... [2023-11-12 00:09:08,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff130df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:08, skipping insertion in model container [2023-11-12 00:09:08,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:08" (3/3) ... [2023-11-12 00:09:08,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-72.i [2023-11-12 00:09:08,200 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:08,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:08,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:08,288 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;@48ae3a75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:08,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:09:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 00:09:08,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:08,326 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:08,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:08,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:08,338 INFO L85 PathProgramCache]: Analyzing trace with hash -10784649, now seen corresponding path program 1 times [2023-11-12 00:09:08,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:08,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195248652] [2023-11-12 00:09:08,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:08,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:08,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:08,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:08,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:09:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:09,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:09:09,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:09:09,519 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:09,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:09,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195248652] [2023-11-12 00:09:09,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195248652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:09,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:09,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:09:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309879405] [2023-11-12 00:09:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:09,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:09:09,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:09,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:09:09,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:09,579 INFO L87 Difference]: Start difference. First operand has 87 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:09,666 INFO L93 Difference]: Finished difference Result 167 states and 290 transitions. [2023-11-12 00:09:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:09:09,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2023-11-12 00:09:09,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:09,690 INFO L225 Difference]: With dead ends: 167 [2023-11-12 00:09:09,690 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 00:09:09,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:09,702 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:09,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:09,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 00:09:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-12 00:09:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:09:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 126 transitions. [2023-11-12 00:09:09,763 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 126 transitions. Word has length 172 [2023-11-12 00:09:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:09,766 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 126 transitions. [2023-11-12 00:09:09,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2023-11-12 00:09:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-12 00:09:09,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:09,772 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:09,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:09,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:09,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:09,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:09,995 INFO L85 PathProgramCache]: Analyzing trace with hash -297584242, now seen corresponding path program 1 times [2023-11-12 00:09:09,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:09,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248240242] [2023-11-12 00:09:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:09,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:09,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:09,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:10,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:09:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:10,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:10,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:09:13,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:13,343 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248240242] [2023-11-12 00:09:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248240242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:13,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:13,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:13,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915223327] [2023-11-12 00:09:13,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:13,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:13,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:13,364 INFO L87 Difference]: Start difference. First operand 83 states and 126 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:16,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:18,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:20,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:22,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:22,386 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2023-11-12 00:09:22,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:22,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2023-11-12 00:09:22,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:22,444 INFO L225 Difference]: With dead ends: 261 [2023-11-12 00:09:22,444 INFO L226 Difference]: Without dead ends: 181 [2023-11-12 00:09:22,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:09:22,453 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 131 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:22,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 349 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 21 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2023-11-12 00:09:22,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-12 00:09:22,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 132. [2023-11-12 00:09:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 77 states have internal predecessors, (96), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:09:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 200 transitions. [2023-11-12 00:09:22,506 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 200 transitions. Word has length 174 [2023-11-12 00:09:22,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:22,508 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 200 transitions. [2023-11-12 00:09:22,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 200 transitions. [2023-11-12 00:09:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 00:09:22,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:22,512 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:22,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:22,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:22,725 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:22,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:22,726 INFO L85 PathProgramCache]: Analyzing trace with hash 320759344, now seen corresponding path program 1 times [2023-11-12 00:09:22,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:22,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147578271] [2023-11-12 00:09:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:22,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:22,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:22,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:09:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:23,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:09:23,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:09:24,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:24,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:24,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147578271] [2023-11-12 00:09:24,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147578271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:24,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:24,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:24,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433688159] [2023-11-12 00:09:24,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:24,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:24,503 INFO L87 Difference]: Start difference. First operand 132 states and 200 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:27,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:29,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:31,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:33,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:33,225 INFO L93 Difference]: Finished difference Result 242 states and 368 transitions. [2023-11-12 00:09:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:33,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2023-11-12 00:09:33,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:33,278 INFO L225 Difference]: With dead ends: 242 [2023-11-12 00:09:33,279 INFO L226 Difference]: Without dead ends: 162 [2023-11-12 00:09:33,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:09:33,281 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 74 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 54 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:33,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 356 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 14 Invalid, 4 Unknown, 0 Unchecked, 8.7s Time] [2023-11-12 00:09:33,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-12 00:09:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 136. [2023-11-12 00:09:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 81 states have (on average 1.2592592592592593) internal successors, (102), 81 states have internal predecessors, (102), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:09:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 206 transitions. [2023-11-12 00:09:33,316 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 206 transitions. Word has length 175 [2023-11-12 00:09:33,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:33,317 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 206 transitions. [2023-11-12 00:09:33,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2023-11-12 00:09:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-12 00:09:33,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:33,322 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:33,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:33,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:33,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:33,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:33,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1050753747, now seen corresponding path program 1 times [2023-11-12 00:09:33,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:33,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939473369] [2023-11-12 00:09:33,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:33,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:33,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:33,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:33,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:09:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:34,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:34,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:09:36,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:36,490 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:36,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939473369] [2023-11-12 00:09:36,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939473369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:36,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:36,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:36,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142203727] [2023-11-12 00:09:36,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:36,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:36,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:36,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:36,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:36,495 INFO L87 Difference]: Start difference. First operand 136 states and 206 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:39,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:41,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:43,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:45,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:45,341 INFO L93 Difference]: Finished difference Result 243 states and 367 transitions. [2023-11-12 00:09:45,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:45,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2023-11-12 00:09:45,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:45,408 INFO L225 Difference]: With dead ends: 243 [2023-11-12 00:09:45,409 INFO L226 Difference]: Without dead ends: 162 [2023-11-12 00:09:45,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:09:45,410 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 74 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:45,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 350 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 20 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2023-11-12 00:09:45,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-12 00:09:45,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 136. [2023-11-12 00:09:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 81 states have internal predecessors, (101), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:09:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2023-11-12 00:09:45,470 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 176 [2023-11-12 00:09:45,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:45,476 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2023-11-12 00:09:45,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:09:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2023-11-12 00:09:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-12 00:09:45,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:45,483 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:45,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:45,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:45,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:45,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:45,693 INFO L85 PathProgramCache]: Analyzing trace with hash 831899029, now seen corresponding path program 1 times [2023-11-12 00:09:45,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:45,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596520173] [2023-11-12 00:09:45,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:45,696 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:45,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9298d645-9faa-42c5-8bd2-b328fc515742/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:09:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:46,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:09:46,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-12 00:09:47,179 INFO L327 TraceCheckSpWp]: Computing backward predicates...