./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 9c7856047a8856614d3626f64240352cf62a7e5366932f4184c4906de36152b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:04:03,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:04:03,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:04:03,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:04:03,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:04:03,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:04:03,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:04:03,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:04:03,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:04:03,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:04:03,301 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:04:03,302 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:04:03,303 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:04:03,304 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:04:03,305 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:04:03,305 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:04:03,306 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:04:03,307 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:04:03,307 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:04:03,308 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:04:03,308 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:04:03,309 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:04:03,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:04:03,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:04:03,311 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:04:03,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:04:03,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:04:03,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:04:03,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:04:03,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:04:03,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:04:03,316 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:04:03,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:04:03,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:04:03,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:04:03,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:04:03,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:04:03,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:04:03,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:04:03,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:04:03,335 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:04:03,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:04:03,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:04:03,336 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:04:03,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:04:03,337 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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c7856047a8856614d3626f64240352cf62a7e5366932f4184c4906de36152b1 [2023-11-12 01:04:03,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:04:03,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:04:03,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:04:03,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:04:03,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:04:03,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i [2023-11-12 01:04:06,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:04:07,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:04:07,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i [2023-11-12 01:04:07,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data/b42c219e6/bdf71cadb9e84e3291248e1ed943efc0/FLAG440ecb983 [2023-11-12 01:04:07,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data/b42c219e6/bdf71cadb9e84e3291248e1ed943efc0 [2023-11-12 01:04:07,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:04:07,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:04:07,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:07,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:04:07,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:04:07,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28956958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07, skipping insertion in model container [2023-11-12 01:04:07,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:04:07,375 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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i[915,928] [2023-11-12 01:04:07,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:04:07,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:04:07,463 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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i[915,928] [2023-11-12 01:04:07,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:04:07,534 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:04:07,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07 WrapperNode [2023-11-12 01:04:07,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:07,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:04:07,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:04:07,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:04:07,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,604 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 01:04:07,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:04:07,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:04:07,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:04:07,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:04:07,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:04:07,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:04:07,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:04:07,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:04:07,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (1/1) ... [2023-11-12 01:04:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:04:07,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:04:07,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:04:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:04:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:04:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:04:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:04:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:04:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:04:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:04:07,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:04:07,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:04:08,369 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:04:08,721 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:04:08,722 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:04:08,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:08 BoogieIcfgContainer [2023-11-12 01:04:08,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:04:08,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:04:08,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:04:08,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:04:08,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:04:07" (1/3) ... [2023-11-12 01:04:08,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d2d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:04:08, skipping insertion in model container [2023-11-12 01:04:08,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:07" (2/3) ... [2023-11-12 01:04:08,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d2d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:04:08, skipping insertion in model container [2023-11-12 01:04:08,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:08" (3/3) ... [2023-11-12 01:04:08,742 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-43.i [2023-11-12 01:04:08,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:04:08,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:04:08,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:04:08,838 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;@1b05a38c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:04:08,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:04:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 01:04:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 01:04:08,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:08,858 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:08,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:08,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:08,864 INFO L85 PathProgramCache]: Analyzing trace with hash -804940286, now seen corresponding path program 1 times [2023-11-12 01:04:08,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:08,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749712937] [2023-11-12 01:04:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:08,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:04:09,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:04:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:04:09,840 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:04:09,842 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:04:09,844 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:04:09,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:04:09,850 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:04:09,855 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:04:09,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:04:09 BoogieIcfgContainer [2023-11-12 01:04:09,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:04:09,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:04:09,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:04:09,995 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:04:09,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:08" (3/4) ... [2023-11-12 01:04:10,002 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:04:10,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:04:10,004 INFO L158 Benchmark]: Toolchain (without parser) took 2825.00ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 88.0MB in the end (delta: 46.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-12 01:04:10,005 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.1MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:04:10,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.95ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 120.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 01:04:10,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.66ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 117.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:04:10,009 INFO L158 Benchmark]: Boogie Preprocessor took 78.11ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:04:10,014 INFO L158 Benchmark]: RCFGBuilder took 1040.72ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 85.3MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 01:04:10,015 INFO L158 Benchmark]: TraceAbstraction took 1263.25ms. Allocated memory is still 163.6MB. Free memory was 84.5MB in the beginning and 88.0MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:04:10,016 INFO L158 Benchmark]: Witness Printer took 8.88ms. Allocated memory is still 163.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:04:10,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.1MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.95ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 120.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.66ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 117.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.11ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1040.72ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 85.3MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1263.25ms. Allocated memory is still 163.6MB. Free memory was 84.5MB in the beginning and 88.0MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.88ms. Allocated memory is still 163.6MB. Free memory is still 88.0MB. 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 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of bitwiseAnd at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 1000.6; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 10.4; [L25] float var_1_4 = 31.4; [L26] double var_1_5 = 7.75; [L27] double var_1_6 = 63.1; [L28] signed char var_1_7 = 32; [L29] signed char var_1_10 = 64; [L30] signed short int var_1_11 = 5; [L31] unsigned short int var_1_12 = 4; [L32] unsigned char var_1_13 = 1; [L33] unsigned short int var_1_14 = 49632; [L34] unsigned short int var_1_15 = 0; [L35] signed char var_1_16 = 50; [L36] signed char var_1_18 = 2; [L37] signed char var_1_19 = 25; [L38] signed char var_1_20 = 10; [L39] signed char var_1_21 = 1; [L40] signed char var_1_22 = 8; [L41] unsigned long int var_1_23 = 25; [L42] unsigned short int var_1_24 = 32; [L43] signed long int var_1_26 = 50; [L44] signed char last_1_var_1_7 = 32; [L45] signed short int last_1_var_1_11 = 5; [L46] signed long int last_1_var_1_26 = 50; [L140] isInitial = 1 [L141] FCALL initially() [L142] int k_loop; [L143] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_2=10227/40, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L143] COND TRUE k_loop < 1 [L144] CALL updateLastVariables() [L131] last_1_var_1_7 = var_1_7 [L132] last_1_var_1_11 = var_1_11 [L133] last_1_var_1_26 = var_1_26 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L90] var_1_3 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L92] var_1_4 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L94] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L95] var_1_5 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && 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_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && 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_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=631/10, var_1_7=32] [L97] var_1_6 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && 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_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && 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_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L99] var_1_10 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L101] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L102] var_1_13 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L104] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L105] var_1_14 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L107] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L108] var_1_15 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L110] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L111] var_1_18 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L113] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L114] var_1_19 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L116] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L117] var_1_20 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_20 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L119] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L122] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L123] var_1_22 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L125] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L126] var_1_24 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32587, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32587, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L128] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32587, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=50, var_1_18=63, var_1_19=-63, var_1_1=5003/5, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=25, var_1_24=32587, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L145] RET updateVariables() [L146] CALL step() [L50] COND TRUE (- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4)) [L51] var_1_1 = ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) [L55] COND FALSE !(var_1_1 > var_1_4) [L58] var_1_11 = ((((last_1_var_1_11) < (((16 - 32) + (64 + var_1_10)))) ? (last_1_var_1_11) : (((16 - 32) + (64 + var_1_10))))) [L60] COND TRUE \read(var_1_13) [L61] var_1_12 = (var_1_14 - var_1_15) [L63] signed char stepLocal_0 = var_1_20; [L64] COND FALSE !(var_1_1 <= (((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))) + var_1_1)) [L67] COND TRUE var_1_19 < stepLocal_0 [L68] var_1_16 = (var_1_21 - var_1_22) [L73] COND TRUE (- (var_1_14 - var_1_24)) < var_1_10 [L74] var_1_23 = (var_1_24 + (var_1_22 + 4u)) [L78] COND TRUE var_1_6 != 49.125 [L79] COND FALSE !(((((64u) < 0 ) ? -(64u) : (64u))) < last_1_var_1_26) [L83] EXPR var_1_12 & last_1_var_1_7 [L83] COND FALSE !(-4 > (var_1_12 & last_1_var_1_7)) [L146] RET step() [L147] CALL, EXPR property() [L136] EXPR (((- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4))) ? (var_1_1 == ((double) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : (var_1_1 == ((double) var_1_5))) && ((-4 > (var_1_12 & last_1_var_1_7)) ? (var_1_7 == ((signed char) var_1_10)) : 1) [L136-L137] return ((((((((- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4))) ? (var_1_1 == ((double) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : (var_1_1 == ((double) var_1_5))) && ((-4 > (var_1_12 & last_1_var_1_7)) ? (var_1_7 == ((signed char) var_1_10)) : 1)) && ((var_1_1 > var_1_4) ? (var_1_11 == ((signed short int) var_1_10)) : (var_1_11 == ((signed short int) ((((last_1_var_1_11) < (((16 - 32) + (64 + var_1_10)))) ? (last_1_var_1_11) : (((16 - 32) + (64 + var_1_10))))))))) && (var_1_13 ? (var_1_12 == ((unsigned short int) (var_1_14 - var_1_15))) : 1)) && ((var_1_1 <= (((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))) + var_1_1)) ? (var_1_16 == ((signed char) ((((var_1_10) < ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20))) ? (var_1_10) : ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20)))))) : ((var_1_19 < var_1_20) ? (var_1_16 == ((signed char) (var_1_21 - var_1_22))) : (var_1_16 == ((signed char) var_1_10))))) && (((- (var_1_14 - var_1_24)) < var_1_10) ? (var_1_23 == ((unsigned long int) (var_1_24 + (var_1_22 + 4u)))) : (var_1_23 == ((unsigned long int) ((((var_1_14) < (var_1_12)) ? (var_1_14) : (var_1_12))))))) && ((var_1_6 != 49.125) ? ((((((64u) < 0 ) ? -(64u) : (64u))) < last_1_var_1_26) ? (var_1_26 == ((signed long int) var_1_15)) : 1) : 1) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=32717, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=-43, var_1_18=63, var_1_19=-63, var_1_1=49638, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=32717, var_1_24=32587, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-43, var_1_11=5, var_1_12=32717, var_1_13=1, var_1_14=32767, var_1_15=50, var_1_16=-43, var_1_18=63, var_1_19=-63, var_1_1=49638, var_1_20=63, var_1_21=83, var_1_22=126, var_1_23=32717, var_1_24=32587, var_1_26=50, var_1_3=49637, var_1_4=49639, var_1_5=49638, var_1_6=49638, var_1_7=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 01:04:10,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 9c7856047a8856614d3626f64240352cf62a7e5366932f4184c4906de36152b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:04:12,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:04:12,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 01:04:12,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:04:12,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:04:12,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:04:12,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:04:12,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:04:12,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:04:12,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:04:12,786 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:04:12,787 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:04:12,787 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:04:12,789 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:04:12,790 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:04:12,790 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:04:12,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:04:12,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:04:12,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:04:12,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:04:12,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:04:12,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:04:12,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:04:12,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:04:12,794 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:04:12,794 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:04:12,794 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:04:12,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:04:12,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:04:12,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:04:12,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:04:12,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:04:12,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:04:12,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:04:12,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:04:12,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:04:12,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:04:12,800 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:04:12,800 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:04:12,801 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:04:12,801 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:04:12,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:04:12,802 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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c7856047a8856614d3626f64240352cf62a7e5366932f4184c4906de36152b1 [2023-11-12 01:04:13,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:04:13,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:04:13,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:04:13,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:04:13,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:04:13,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i [2023-11-12 01:04:16,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:04:16,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:04:16,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i [2023-11-12 01:04:16,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data/9317ad959/0b4d9c6103a04ccbb5934bed87e9cc08/FLAGc383b0d33 [2023-11-12 01:04:16,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/data/9317ad959/0b4d9c6103a04ccbb5934bed87e9cc08 [2023-11-12 01:04:16,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:04:16,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:04:16,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:16,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:04:16,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:04:16,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:16" (1/1) ... [2023-11-12 01:04:16,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b43cbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:16, skipping insertion in model container [2023-11-12 01:04:16,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:16" (1/1) ... [2023-11-12 01:04:16,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:04:17,042 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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i[915,928] [2023-11-12 01:04:17,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:04:17,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:04:17,144 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_caf67c29-f2b4-4b90-b38e-dd708e6210ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-43.i[915,928] [2023-11-12 01:04:17,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:04:17,221 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:04:17,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17 WrapperNode [2023-11-12 01:04:17,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:17,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:04:17,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:04:17,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:04:17,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,285 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-12 01:04:17,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:04:17,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:04:17,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:04:17,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:04:17,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:04:17,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:04:17,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:04:17,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:04:17,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (1/1) ... [2023-11-12 01:04:17,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:04:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:04:17,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:04:17,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:04:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:04:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:04:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:04:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:04:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:04:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:04:17,566 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:04:17,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:04:24,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:04:24,438 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:04:24,439 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:04:24,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:24 BoogieIcfgContainer [2023-11-12 01:04:24,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:04:24,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:04:24,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:04:24,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:04:24,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:04:16" (1/3) ... [2023-11-12 01:04:24,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e8aa65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:04:24, skipping insertion in model container [2023-11-12 01:04:24,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:17" (2/3) ... [2023-11-12 01:04:24,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e8aa65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:04:24, skipping insertion in model container [2023-11-12 01:04:24,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:24" (3/3) ... [2023-11-12 01:04:24,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-43.i [2023-11-12 01:04:24,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:04:24,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:04:24,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:04:24,519 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;@70f71bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:04:24,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:04:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 01:04:24,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 01:04:24,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:24,542 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:24,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:24,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash 413769, now seen corresponding path program 1 times [2023-11-12 01:04:24,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:04:24,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648607962] [2023-11-12 01:04:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:24,564 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 01:04:24,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:04:24,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 01:04:24,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 01:04:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:25,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 01:04:25,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:04:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2023-11-12 01:04:25,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:04:25,310 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:04:25,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648607962] [2023-11-12 01:04:25,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648607962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:25,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:04:25,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:04:25,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865036649] [2023-11-12 01:04:25,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:25,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:04:25,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:04:25,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:04:25,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:04:25,354 INFO L87 Difference]: Start difference. First operand has 71 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 01:04:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:25,391 INFO L93 Difference]: Finished difference Result 139 states and 239 transitions. [2023-11-12 01:04:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:04:25,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2023-11-12 01:04:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:25,402 INFO L225 Difference]: With dead ends: 139 [2023-11-12 01:04:25,402 INFO L226 Difference]: Without dead ends: 67 [2023-11-12 01:04:25,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 01:04:25,416 INFO L413 NwaCegarLoop]: 104 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, 104 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 01:04:25,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:04:25,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-12 01:04:25,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-12 01:04:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 01:04:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2023-11-12 01:04:25,497 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 162 [2023-11-12 01:04:25,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:25,498 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2023-11-12 01:04:25,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 01:04:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-12 01:04:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 01:04:25,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:25,513 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:25,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 01:04:25,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 01:04:25,725 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:25,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:25,726 INFO L85 PathProgramCache]: Analyzing trace with hash 740319883, now seen corresponding path program 1 times [2023-11-12 01:04:25,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:04:25,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774169942] [2023-11-12 01:04:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:25,728 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 01:04:25,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:04:25,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 01:04:25,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf67c29-f2b4-4b90-b38e-dd708e6210ef/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 01:04:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:26,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 01:04:26,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:04:56,116 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.gt c_~var_1_5~0 c_~var_1_6~0))) (or (and (= c_~var_1_1~0 c_~var_1_6~0) (not .cse0)) (and .cse0 (= c_~var_1_5~0 c_~var_1_1~0)))) (= c_~var_1_26~0 (_ bv50 32)) (not (fp.eq (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 2001.0 2.0))) (fp.mul c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0)))) (= c_~last_1_var_1_26~0 (_ bv50 32))) is different from false [2023-11-12 01:04:58,163 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.gt c_~var_1_5~0 c_~var_1_6~0))) (or (and (= c_~var_1_1~0 c_~var_1_6~0) (not .cse0)) (and .cse0 (= c_~var_1_5~0 c_~var_1_1~0)))) (= c_~var_1_26~0 (_ bv50 32)) (not (fp.eq (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 2001.0 2.0))) (fp.mul c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0)))) (= c_~last_1_var_1_26~0 (_ bv50 32))) is different from true