./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.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_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/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_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/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_c4828a56-85b6-43e0-a18e-45382d830716/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 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:41:55,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:41:55,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:41:55,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:41:55,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:41:55,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:41:55,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:41:55,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:41:55,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:41:55,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:41:55,803 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:41:55,804 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:41:55,804 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:41:55,806 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:41:55,807 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:41:55,807 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:41:55,808 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:41:55,808 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:41:55,808 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:41:55,809 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:41:55,809 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:41:55,810 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:41:55,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:41:55,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:41:55,814 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:41:55,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:41:55,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:41:55,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:41:55,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:41:55,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:41:55,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:41:55,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:41:55,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:41:55,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:41:55,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:41:55,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:41:55,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:41:55,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:41:55,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:41:55,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:41:55,832 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:41:55,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:41:55,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:41:55,833 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:41:55,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:41:55,834 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_c4828a56-85b6-43e0-a18e-45382d830716/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 [2023-11-12 00:41:56,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:41:56,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:41:56,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:41:56,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:41:56,235 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:41:56,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i [2023-11-12 00:41:59,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:41:59,623 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:41:59,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i [2023-11-12 00:41:59,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data/83d7a2914/43810dca76e64f83bc00eb1f92bf3619/FLAG8cfd1ef4d [2023-11-12 00:41:59,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data/83d7a2914/43810dca76e64f83bc00eb1f92bf3619 [2023-11-12 00:41:59,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:41:59,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:41:59,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:41:59,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:41:59,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:41:59,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:41:59" (1/1) ... [2023-11-12 00:41:59,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2faa2a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:41:59, skipping insertion in model container [2023-11-12 00:41:59,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:41:59" (1/1) ... [2023-11-12 00:41:59,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:41:59,864 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_c4828a56-85b6-43e0-a18e-45382d830716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2023-11-12 00:41:59,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:41:59,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:41:59,996 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_c4828a56-85b6-43e0-a18e-45382d830716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2023-11-12 00:42:00,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:00,069 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:00,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00 WrapperNode [2023-11-12 00:42:00,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:00,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:00,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:00,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:00,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,183 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2023-11-12 00:42:00,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:00,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:00,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:00,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:00,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:00,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:00,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:00,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:00,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (1/1) ... [2023-11-12 00:42:00,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:00,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:00,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:42:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:42:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:42:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:00,457 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:00,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:00,988 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:01,273 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:01,273 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:42:01,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:01 BoogieIcfgContainer [2023-11-12 00:42:01,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:01,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:01,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:01,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:01,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:41:59" (1/3) ... [2023-11-12 00:42:01,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7395d08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:01, skipping insertion in model container [2023-11-12 00:42:01,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:00" (2/3) ... [2023-11-12 00:42:01,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7395d08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:01, skipping insertion in model container [2023-11-12 00:42:01,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:01" (3/3) ... [2023-11-12 00:42:01,286 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-24.i [2023-11-12 00:42:01,307 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:01,307 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:42:01,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:01,380 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;@61945d55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:01,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:42:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:42:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-12 00:42:01,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:01,407 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:01,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:01,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:01,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1194217245, now seen corresponding path program 1 times [2023-11-12 00:42:01,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:01,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759116712] [2023-11-12 00:42:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:01,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:42:02,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:42:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:42:03,019 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:42:03,022 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:42:03,024 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:42:03,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:42:03,034 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:42:03,041 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:42:03,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:42:03 BoogieIcfgContainer [2023-11-12 00:42:03,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:42:03,200 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:42:03,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:42:03,201 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:42:03,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:01" (3/4) ... [2023-11-12 00:42:03,204 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:42:03,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:42:03,206 INFO L158 Benchmark]: Toolchain (without parser) took 3549.30ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 111.7MB in the beginning and 100.2MB in the end (delta: 11.5MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,207 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:42:03,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.19ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 95.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.00ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 90.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,211 INFO L158 Benchmark]: Boogie Preprocessor took 57.87ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,215 INFO L158 Benchmark]: RCFGBuilder took 1033.63ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 61.2MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,217 INFO L158 Benchmark]: TraceAbstraction took 1919.98ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 60.8MB in the beginning and 101.3MB in the end (delta: -40.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-12 00:42:03,218 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 172.0MB. Free memory was 101.3MB in the beginning and 100.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:42:03,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.19ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 95.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.00ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 90.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.87ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1033.63ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 61.2MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1919.98ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 60.8MB in the beginning and 101.3MB in the end (delta: -40.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 172.0MB. Free memory was 101.3MB in the beginning and 100.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 69, overapproximation of someUnaryFLOAToperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.8; [L23] float var_1_5 = 10000000000.75; [L24] float var_1_6 = 50.5; [L25] float var_1_7 = 3.875; [L26] unsigned long int var_1_8 = 256; [L27] unsigned short int var_1_10 = 1; [L28] unsigned char var_1_11 = 1; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] unsigned char var_1_16 = 1; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 64; [L35] unsigned char var_1_19 = 2; [L36] unsigned long int var_1_20 = 64; [L37] signed char var_1_21 = 2; [L38] signed char var_1_22 = 8; [L39] signed char var_1_23 = 10; [L40] signed char var_1_24 = 10; [L41] signed char var_1_25 = 1; [L42] signed char var_1_26 = 10; [L43] unsigned char var_1_27 = 4; [L44] float var_1_28 = 32.5; [L45] float var_1_29 = 0.0; [L46] float var_1_30 = 127.5; [L47] float var_1_31 = 5.25; [L48] float var_1_32 = 9.4; [L49] float var_1_33 = 5.4; [L50] float var_1_34 = 0.5; [L51] unsigned char last_1_var_1_27 = 4; [L179] isInitial = 1 [L180] FCALL initially() [L181] int k_loop; [L182] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_5=40000000003/4, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L182] COND TRUE k_loop < 1 [L183] CALL updateLastVariables() [L172] last_1_var_1_27 = var_1_27 [L183] RET updateLastVariables() [L184] CALL updateVariables() [L126] var_1_5 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L128] var_1_6 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=31/8, var_1_8=256] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=31/8, var_1_8=256] [L130] var_1_7 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L132] var_1_13 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L134] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L135] var_1_14 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L137] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L138] var_1_17 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L140] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L141] var_1_18 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_18 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_18 >= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L143] CALL assume_abort_if_not(var_1_18 <= 128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_18 <= 128) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L144] var_1_19 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L146] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L147] var_1_22 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L149] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L150] var_1_23 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L152] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L153] var_1_24 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L155] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L156] var_1_25 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L158] CALL assume_abort_if_not(var_1_25 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_25 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L159] var_1_26 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L161] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L162] var_1_29 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_29 >= 4611686.018427382800e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_29 >= 4611686.018427382800e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L164] var_1_30 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=35/4, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=35/4, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L166] var_1_32 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_32 >= -230584.3009213691390e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 2305843.009213691390e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=35/4, var_1_31=21/4, var_1_32=10000000008, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_32 >= -230584.3009213691390e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 2305843.009213691390e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=35/4, var_1_31=21/4, var_1_32=10000000008, var_1_33=27/5, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L168] var_1_33 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_33 >= -230584.3009213691390e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 2305843.009213691390e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=35/4, var_1_31=21/4, var_1_32=10000000008, var_1_33=10000000005, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_33 >= -230584.3009213691390e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 2305843.009213691390e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=4, var_1_28=65/2, var_1_29=10000000006, var_1_30=35/4, var_1_31=21/4, var_1_32=10000000008, var_1_33=10000000005, var_1_34=1/2, var_1_6=10000000007, var_1_7=124/5, var_1_8=256] [L184] RET updateVariables() [L185] CALL step() [L55] var_1_10 = last_1_var_1_27 [L56] signed long int stepLocal_2 = (var_1_18 + 64) - var_1_19; [L57] COND FALSE !(\read(var_1_13)) [L60] COND TRUE var_1_10 <= stepLocal_2 [L61] var_1_16 = var_1_14 [L66] COND TRUE \read(var_1_16) [L67] var_1_28 = ((((var_1_7) > (24.8f)) ? (var_1_7) : (24.8f))) [L71] COND TRUE ((1.5899999999999999 * var_1_5) * (var_1_28 / 9.5)) <= var_1_6 [L72] var_1_27 = var_1_19 [L74] COND TRUE \read(var_1_16) [L75] var_1_11 = (var_1_16 && var_1_13) [L79] COND TRUE (var_1_5 * var_1_28) < var_1_7 [L80] var_1_15 = ((var_1_11 && var_1_13) || (! var_1_14)) [L84] var_1_21 = ((((((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) < 0 ) ? -((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) : ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) - var_1_26)) [L85] COND TRUE var_1_10 <= var_1_21 [L86] var_1_31 = ((var_1_32 + var_1_33) + ((((var_1_7) > (var_1_30)) ? (var_1_7) : (var_1_30)))) [L94] COND FALSE !((- 3.75) < var_1_29) [L97] var_1_34 = ((((var_1_30) < (8.75f)) ? (var_1_30) : (8.75f))) [L99] unsigned short int stepLocal_0 = var_1_10; [L100] COND TRUE var_1_27 <= stepLocal_0 [L101] var_1_1 = (var_1_5 - var_1_6) [L105] COND TRUE var_1_10 > var_1_27 [L106] COND TRUE (var_1_19 << 1) > (var_1_10 - (var_1_27 + var_1_27)) [L107] var_1_20 = (((((((var_1_18) < (2u)) ? (var_1_18) : (2u))) < 0 ) ? -((((var_1_18) < (2u)) ? (var_1_18) : (2u))) : ((((var_1_18) < (2u)) ? (var_1_18) : (2u))))) [L114] unsigned char stepLocal_1 = var_1_27; [L115] COND TRUE var_1_5 >= var_1_6 [L116] COND FALSE !(stepLocal_1 < var_1_20) [L119] var_1_8 = var_1_10 [L185] RET step() [L186] CALL, EXPR property() [L175-L176] return ((((((((((((var_1_27 <= var_1_10) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : (var_1_1 == ((float) (10.5f + var_1_7)))) && ((var_1_5 >= var_1_6) ? ((var_1_27 < var_1_20) ? (var_1_8 == ((unsigned long int) (((((var_1_20 + ((((var_1_27) > (var_1_10)) ? (var_1_27) : (var_1_10))))) > (1u)) ? ((var_1_20 + ((((var_1_27) > (var_1_10)) ? (var_1_27) : (var_1_10))))) : (1u))))) : (var_1_8 == ((unsigned long int) var_1_10))) : (var_1_8 == ((unsigned long int) var_1_27)))) && (var_1_10 == ((unsigned short int) last_1_var_1_27))) && (var_1_16 ? (var_1_11 == ((unsigned char) (var_1_16 && var_1_13))) : (var_1_11 == ((unsigned char) ((! var_1_13) && var_1_14))))) && (((var_1_5 * var_1_28) < var_1_7) ? (var_1_15 == ((unsigned char) ((var_1_11 && var_1_13) || (! var_1_14)))) : (var_1_15 == ((unsigned char) (! var_1_13))))) && (var_1_13 ? (var_1_16 == ((unsigned char) (var_1_14 && var_1_17))) : ((var_1_10 <= ((var_1_18 + 64) - var_1_19)) ? (var_1_16 == ((unsigned char) var_1_14)) : (var_1_16 == ((unsigned char) var_1_14))))) && ((var_1_10 > var_1_27) ? (((var_1_19 << 1) > (var_1_10 - (var_1_27 + var_1_27))) ? (var_1_20 == ((unsigned long int) (((((((var_1_18) < (2u)) ? (var_1_18) : (2u))) < 0 ) ? -((((var_1_18) < (2u)) ? (var_1_18) : (2u))) : ((((var_1_18) < (2u)) ? (var_1_18) : (2u))))))) : (var_1_20 == ((unsigned long int) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19)))))) : (var_1_20 == ((unsigned long int) var_1_19)))) && (var_1_21 == ((signed char) ((((((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) < 0 ) ? -((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) : ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) - var_1_26))))) && ((((1.5899999999999999 * var_1_5) * (var_1_28 / 9.5)) <= var_1_6) ? (var_1_27 == ((unsigned char) var_1_19)) : 1)) && (var_1_16 ? (var_1_28 == ((float) ((((var_1_7) > (24.8f)) ? (var_1_7) : (24.8f))))) : (var_1_28 == ((float) (((((((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) - (var_1_29 - var_1_30))) < (var_1_7)) ? ((((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) - (var_1_29 - var_1_30))) : (var_1_7))))))) && ((var_1_10 <= var_1_21) ? (var_1_31 == ((float) ((var_1_32 + var_1_33) + ((((var_1_7) > (var_1_30)) ? (var_1_7) : (var_1_30)))))) : ((var_1_10 >= (((((var_1_18 + var_1_26)) < (25)) ? ((var_1_18 + var_1_26)) : (25)))) ? (var_1_31 == ((float) (var_1_32 + ((((((((var_1_33) < (var_1_30)) ? (var_1_33) : (var_1_30)))) < (var_1_7)) ? (((((var_1_33) < (var_1_30)) ? (var_1_33) : (var_1_30)))) : (var_1_7)))))) : (var_1_31 == ((float) (32.5f - (64.4f + var_1_30))))))) && (((- 3.75) < var_1_29) ? (var_1_34 == ((float) (((((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) < 0 ) ? -((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) : ((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))))))) : (var_1_34 == ((float) ((((var_1_30) < (8.75f)) ? (var_1_30) : (8.75f)))))) ; [L186] RET, EXPR property() [L186] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_27=4, var_1_10=4, var_1_11=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_20=2, var_1_21=124, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=2, var_1_28=124/5, var_1_29=10000000006, var_1_30=35/4, var_1_32=10000000008, var_1_33=10000000005, var_1_34=35/4, var_1_6=10000000007, var_1_7=124/5, var_1_8=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_27=4, var_1_10=4, var_1_11=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_20=2, var_1_21=124, var_1_22=61, var_1_23=0, var_1_24=63, var_1_25=62, var_1_26=0, var_1_27=2, var_1_28=124/5, var_1_29=10000000006, var_1_30=35/4, var_1_32=10000000008, var_1_33=10000000005, var_1_34=35/4, var_1_6=10000000007, var_1_7=124/5, var_1_8=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 27, 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:42:03,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/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_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/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_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/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_c4828a56-85b6-43e0-a18e-45382d830716/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 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:42:05,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:42:05,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:42:05,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:42:05,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:42:06,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:42:06,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:42:06,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:42:06,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:42:06,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:42:06,024 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:42:06,024 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:42:06,025 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:42:06,026 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:42:06,026 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:42:06,027 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:42:06,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:42:06,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:42:06,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:42:06,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:42:06,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:42:06,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:42:06,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:42:06,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:42:06,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:42:06,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:42:06,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:42:06,035 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:42:06,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:42:06,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:42:06,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:42:06,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:42:06,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:42:06,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:06,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:42:06,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:42:06,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:42:06,040 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:42:06,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:42:06,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:42:06,041 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:42:06,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:42:06,042 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_c4828a56-85b6-43e0-a18e-45382d830716/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 [2023-11-12 00:42:06,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:42:06,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:42:06,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:42:06,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:42:06,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:42:06,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i [2023-11-12 00:42:09,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:09,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:09,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i [2023-11-12 00:42:09,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data/843e26348/557626872f434a1d87a5f8ce166b131f/FLAG2b9268aa5 [2023-11-12 00:42:09,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/data/843e26348/557626872f434a1d87a5f8ce166b131f [2023-11-12 00:42:09,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:09,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:09,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:09,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:10,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:10,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:09" (1/1) ... [2023-11-12 00:42:10,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76090e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10, skipping insertion in model container [2023-11-12 00:42:10,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:09" (1/1) ... [2023-11-12 00:42:10,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:10,254 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_c4828a56-85b6-43e0-a18e-45382d830716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2023-11-12 00:42:10,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:10,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:10,424 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_c4828a56-85b6-43e0-a18e-45382d830716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2023-11-12 00:42:10,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:10,530 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:10,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10 WrapperNode [2023-11-12 00:42:10,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:10,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:10,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:10,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:10,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,618 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-12 00:42:10,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:10,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:10,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:10,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:10,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:10,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:10,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:10,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:10,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (1/1) ... [2023-11-12 00:42:10,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:10,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:10,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:42:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:42:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:42:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:10,933 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:10,935 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:22,564 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:22,585 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:22,585 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:42:22,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:22 BoogieIcfgContainer [2023-11-12 00:42:22,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:22,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:22,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:22,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:22,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:42:09" (1/3) ... [2023-11-12 00:42:22,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30799c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:22, skipping insertion in model container [2023-11-12 00:42:22,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:10" (2/3) ... [2023-11-12 00:42:22,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30799c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:22, skipping insertion in model container [2023-11-12 00:42:22,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:22" (3/3) ... [2023-11-12 00:42:22,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-24.i [2023-11-12 00:42:22,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:22,619 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:42:22,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:22,679 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;@56a360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:22,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:42:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:42:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-12 00:42:22,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:22,708 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:22,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:22,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:22,719 INFO L85 PathProgramCache]: Analyzing trace with hash -556349966, now seen corresponding path program 1 times [2023-11-12 00:42:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:42:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644386745] [2023-11-12 00:42:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:22,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:42:22,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:42:22,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:42:22,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:42:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:24,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:42:24,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-11-12 00:42:24,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:42:24,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:42:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644386745] [2023-11-12 00:42:24,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644386745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:24,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:24,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:24,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462937254] [2023-11-12 00:42:24,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:24,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:42:24,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:42:24,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:42:24,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:42:24,263 INFO L87 Difference]: Start difference. First operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:42:24,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:24,335 INFO L93 Difference]: Finished difference Result 159 states and 272 transitions. [2023-11-12 00:42:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:42:24,338 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2023-11-12 00:42:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:24,369 INFO L225 Difference]: With dead ends: 159 [2023-11-12 00:42:24,370 INFO L226 Difference]: Without dead ends: 77 [2023-11-12 00:42:24,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:42:24,380 INFO L413 NwaCegarLoop]: 121 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, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:24,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-12 00:42:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-12 00:42:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:42:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2023-11-12 00:42:24,452 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 174 [2023-11-12 00:42:24,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:24,452 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2023-11-12 00:42:24,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:42:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2023-11-12 00:42:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-12 00:42:24,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:24,470 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:24,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:42:24,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:42:24,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:24,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:24,688 INFO L85 PathProgramCache]: Analyzing trace with hash -54200064, now seen corresponding path program 1 times [2023-11-12 00:42:24,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:42:24,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682950957] [2023-11-12 00:42:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:24,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:42:24,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:42:24,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:42:24,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:42:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:26,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:42:26,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-12 00:42:28,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:42:30,345 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:42:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682950957] [2023-11-12 00:42:30,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682950957] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:30,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [812274653] [2023-11-12 00:42:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:42:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:42:30,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:42:30,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:42:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:33,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:42:33,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-12 00:42:35,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:42:37,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [812274653] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:37,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133976843] [2023-11-12 00:42:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:37,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:37,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:37,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:37,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:42:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:39,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:42:39,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-12 00:42:41,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:42:42,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133976843] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:42,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:42:42,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-12 00:42:42,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986684270] [2023-11-12 00:42:42,698 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:42:42,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:42:42,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:42:42,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:42:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:42:42,706 INFO L87 Difference]: Start difference. First operand 77 states and 117 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-11-12 00:42:48,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:42:50,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:42:52,468 WARN L539 Checker$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 00:42:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:52,472 INFO L93 Difference]: Finished difference Result 159 states and 238 transitions. [2023-11-12 00:42:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:42:52,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 174 [2023-11-12 00:42:52,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:52,818 INFO L225 Difference]: With dead ends: 159 [2023-11-12 00:42:52,818 INFO L226 Difference]: Without dead ends: 85 [2023-11-12 00:42:52,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 1030 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:42:52,821 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 95 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:52,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 189 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 160 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2023-11-12 00:42:52,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-12 00:42:52,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2023-11-12 00:42:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:42:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 119 transitions. [2023-11-12 00:42:52,841 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 119 transitions. Word has length 174 [2023-11-12 00:42:52,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:52,842 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 119 transitions. [2023-11-12 00:42:52,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-11-12 00:42:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2023-11-12 00:42:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 00:42:52,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:52,846 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:52,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:53,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:53,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/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 00:42:53,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:42:53,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:53,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:53,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1846788251, now seen corresponding path program 1 times [2023-11-12 00:42:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:42:53,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783280608] [2023-11-12 00:42:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:53,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:42:53,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:42:53,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:42:53,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4828a56-85b6-43e0-a18e-45382d830716/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:42:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:56,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-12 00:42:56,465 INFO L285 TraceCheckSpWp]: Computing forward predicates...