./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ --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 64360fc7d3c5d5814f250bc67771c1266affbe7be077c4ce76d53cff763882cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:56:00,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:56:00,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:56:00,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:56:00,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:56:00,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:56:00,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:56:00,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:56:00,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:56:00,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:56:00,804 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:56:00,804 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:56:00,805 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:56:00,806 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:56:00,806 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:56:00,807 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:56:00,808 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:56:00,808 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:56:00,809 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:56:00,810 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:56:00,810 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:56:00,811 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:56:00,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:56:00,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:56:00,814 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:56:00,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:56:00,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:56:00,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:56:00,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:56:00,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:56:00,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:56:00,819 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:56:00,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:56:00,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:56:00,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:56:00,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:56:00,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:00,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:56:00,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:56:00,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:56:00,825 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:56:00,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:56:00,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:56:00,834 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:56:00,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:56:00,836 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_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64360fc7d3c5d5814f250bc67771c1266affbe7be077c4ce76d53cff763882cf [2023-11-19 04:56:01,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:56:01,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:56:01,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:56:01,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:56:01,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:56:01,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i [2023-11-19 04:56:04,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:56:04,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:56:04,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i [2023-11-19 04:56:05,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data/5448ec9be/49b550e7cc7d4f7cadbd13f72ed2f465/FLAG14fe1bb0d [2023-11-19 04:56:05,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data/5448ec9be/49b550e7cc7d4f7cadbd13f72ed2f465 [2023-11-19 04:56:05,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:56:05,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:56:05,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:05,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:56:05,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:56:05,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb673bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05, skipping insertion in model container [2023-11-19 04:56:05,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:56:05,546 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_fa31eb95-99ea-4565-b57b-90e2f5a377ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i[916,929] [2023-11-19 04:56:05,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:05,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:56:05,692 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_fa31eb95-99ea-4565-b57b-90e2f5a377ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i[916,929] [2023-11-19 04:56:05,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:05,809 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:56:05,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05 WrapperNode [2023-11-19 04:56:05,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:05,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:05,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:56:05,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:56:05,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,916 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-19 04:56:05,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:05,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:56:05,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:56:05,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:56:05,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:05,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:06,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:06,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:06,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:56:06,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:56:06,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:56:06,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:56:06,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (1/1) ... [2023-11-19 04:56:06,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:06,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:06,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:56:06,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:56:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:56:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:56:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:56:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:56:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:56:06,284 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:56:06,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:56:06,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:56:07,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:56:07,386 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:56:07,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:07 BoogieIcfgContainer [2023-11-19 04:56:07,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:56:07,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:56:07,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:56:07,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:56:07,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:56:05" (1/3) ... [2023-11-19 04:56:07,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71aa099f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:07, skipping insertion in model container [2023-11-19 04:56:07,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:05" (2/3) ... [2023-11-19 04:56:07,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71aa099f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:07, skipping insertion in model container [2023-11-19 04:56:07,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:07" (3/3) ... [2023-11-19 04:56:07,404 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-51.i [2023-11-19 04:56:07,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:56:07,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:56:07,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:56:07,502 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;@4c03e34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:56:07,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:56:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-19 04:56:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:56:07,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:07,530 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:07,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:07,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:07,539 INFO L85 PathProgramCache]: Analyzing trace with hash -807778137, now seen corresponding path program 1 times [2023-11-19 04:56:07,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:07,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870145936] [2023-11-19 04:56:07,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:07,886 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:56:07,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98662141] [2023-11-19 04:56:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:07,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:56:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:07,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:56:07,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:56:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:56:08,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:56:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:56:08,686 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:56:08,689 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:56:08,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:56:08,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:08,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:56:08,905 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:56:08,913 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:56:09,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:56:09 BoogieIcfgContainer [2023-11-19 04:56:09,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:56:09,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:56:09,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:56:09,116 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:56:09,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:07" (3/4) ... [2023-11-19 04:56:09,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:56:09,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:56:09,123 INFO L158 Benchmark]: Toolchain (without parser) took 3871.70ms. Allocated memory is still 172.0MB. Free memory was 138.8MB in the beginning and 77.0MB in the end (delta: 61.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,124 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:56:09,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.09ms. Allocated memory is still 172.0MB. Free memory was 138.4MB in the beginning and 121.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.40ms. Allocated memory is still 172.0MB. Free memory was 121.2MB in the beginning and 115.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,130 INFO L158 Benchmark]: Boogie Preprocessor took 103.50ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 113.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,131 INFO L158 Benchmark]: RCFGBuilder took 1370.29ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 137.7MB in the end (delta: -24.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,132 INFO L158 Benchmark]: TraceAbstraction took 1719.65ms. Allocated memory is still 172.0MB. Free memory was 136.8MB in the beginning and 78.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,132 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 172.0MB. Free memory was 78.1MB in the beginning and 77.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:56:09,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.09ms. Allocated memory is still 172.0MB. Free memory was 138.4MB in the beginning and 121.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.40ms. Allocated memory is still 172.0MB. Free memory was 121.2MB in the beginning and 115.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.50ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 113.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1370.29ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 137.7MB in the end (delta: -24.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1719.65ms. Allocated memory is still 172.0MB. Free memory was 136.8MB in the beginning and 78.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 172.0MB. Free memory was 78.1MB in the beginning and 77.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 0; [L23] float var_1_3 = -0.1; [L24] float var_1_4 = 127.25; [L25] float var_1_5 = 2.75; [L26] signed char var_1_6 = 1; [L27] signed char var_1_7 = -2; [L28] signed char var_1_8 = 25; [L29] signed char var_1_9 = 32; [L30] signed char var_1_11 = 0; [L31] signed long int var_1_12 = 2; [L32] unsigned long int var_1_13 = 256; [L33] unsigned long int var_1_16 = 3775050608; [L34] unsigned char var_1_18 = 16; [L35] unsigned char var_1_19 = 100; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 0; [L38] unsigned char var_1_22 = 0; [L39] unsigned char var_1_23 = 4; [L40] unsigned char var_1_24 = 32; [L41] unsigned char var_1_25 = 16; [L42] unsigned char var_1_26 = 32; [L43] unsigned char var_1_27 = 0; [L44] unsigned short int var_1_28 = 4; [L45] unsigned short int var_1_29 = 38930; [L46] unsigned short int var_1_30 = 59162; [L47] unsigned short int var_1_31 = 1; [L48] unsigned short int var_1_32 = 30817; [L49] unsigned long int var_1_33 = 50; [L50] double var_1_34 = 50.25; [L51] double var_1_35 = 10000000000000.75; [L52] unsigned long int last_1_var_1_13 = 256; [L53] unsigned short int last_1_var_1_31 = 1; [L54] unsigned long int last_1_var_1_33 = 50; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L193] last_1_var_1_13 = var_1_13 [L194] last_1_var_1_31 = var_1_31 [L195] last_1_var_1_33 = var_1_33 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L141] var_1_3 = __VERIFIER_nondet_float() [L142] 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_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=509/4, var_1_5=11/4, var_1_6=1, var_1_7=-2, var_1_8=25, var_1_9=32] [L20] COND FALSE !(!cond) [L142] 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_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=509/4, var_1_5=11/4, var_1_6=1, var_1_7=-2, var_1_8=25, var_1_9=32] [L143] var_1_4 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_4 >= 0.0F && 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_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=11/4, var_1_6=1, var_1_7=-2, var_1_8=25, var_1_9=32] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_4 >= 0.0F && 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_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=11/4, var_1_6=1, var_1_7=-2, var_1_8=25, var_1_9=32] [L145] var_1_5 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=1, var_1_7=-2, var_1_8=25, var_1_9=32] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=1, var_1_7=-2, var_1_8=25, var_1_9=32] [L147] var_1_6 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=25, var_1_9=32] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=25, var_1_9=32] [L149] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=25, var_1_9=32] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=25, var_1_9=32] [L150] var_1_8 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L152] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=0, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L153] var_1_11 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_11 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= -126) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L155] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=3775050608, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L156] var_1_16 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L158] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=100, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L159] var_1_19 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L161] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L162] var_1_21 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L164] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=32, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L165] var_1_24 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L167] CALL assume_abort_if_not(var_1_24 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 64) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=16, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L168] var_1_25 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L170] CALL assume_abort_if_not(var_1_25 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 63) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=32, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L171] var_1_26 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_26 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 >= 31) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L173] CALL assume_abort_if_not(var_1_26 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_26 <= 64) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=0, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L174] var_1_27 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L176] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=38930, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L177] var_1_29 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_29 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_29 >= 32767) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L179] CALL assume_abort_if_not(var_1_29 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_29 <= 65534) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=59162, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L180] var_1_30 = __VERIFIER_nondet_ushort() [L181] CALL assume_abort_if_not(var_1_30 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_30 >= 32767) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L182] CALL assume_abort_if_not(var_1_30 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_30 <= 65534) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=30817, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L183] var_1_32 = __VERIFIER_nondet_ushort() [L184] CALL assume_abort_if_not(var_1_32 >= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_32 >= 16384) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L185] CALL assume_abort_if_not(var_1_32 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_32 <= 32767) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=201/4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L186] var_1_34 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=4, var_1_35=40000000000003/4, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L188] var_1_35 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=4, var_1_35=5, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=4, var_1_35=5, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L190] CALL assume_abort_if_not(var_1_35 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=4, var_1_35=5, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_35 != 0.0F) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=256, var_1_16=2147483647, var_1_18=16, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=4, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=4, var_1_29=32767, var_1_30=65534, var_1_31=1, var_1_32=16384, var_1_33=50, var_1_34=4, var_1_35=5, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=-2, var_1_8=126, var_1_9=32] [L206] RET updateVariables() [L207] CALL step() [L58] COND FALSE !(last_1_var_1_13 > ((((last_1_var_1_31) > (var_1_16)) ? (last_1_var_1_31) : (var_1_16)))) [L61] var_1_28 = (var_1_25 + var_1_19) [L63] COND TRUE (- var_1_3) <= (var_1_4 - var_1_5) [L64] COND TRUE var_1_3 >= (var_1_5 / 255.75f) [L65] var_1_1 = var_1_6 [L70] COND FALSE !(var_1_4 != var_1_5) [L73] var_1_7 = var_1_8 [L75] var_1_18 = var_1_19 [L76] COND FALSE !(var_1_18 > ((32u / var_1_16) + 32u)) [L79] COND FALSE !(\read(var_1_21)) [L82] var_1_23 = var_1_27 [L84] COND FALSE !(var_1_5 <= (- ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))))) [L87] var_1_31 = ((((((((var_1_19) < (var_1_23)) ? (var_1_19) : (var_1_23)))) > (var_1_29)) ? (((((var_1_19) < (var_1_23)) ? (var_1_19) : (var_1_23)))) : (var_1_29))) [L89] unsigned short int stepLocal_2 = var_1_31; [L90] COND FALSE !(stepLocal_2 == var_1_11) [L97] COND TRUE (var_1_31 / var_1_16) <= var_1_28 [L98] COND FALSE !(var_1_28 <= var_1_18) [L102] unsigned char stepLocal_1 = var_1_20; [L103] unsigned char stepLocal_0 = var_1_22; [L104] COND FALSE !(var_1_22 || stepLocal_1) [L107] COND FALSE !(var_1_20 && stepLocal_0) [L111] signed long int stepLocal_4 = (var_1_6 * var_1_1) / -64; [L112] unsigned short int stepLocal_3 = var_1_28; [L113] COND FALSE !(stepLocal_4 >= var_1_28) [L116] COND TRUE 50u >= stepLocal_3 [L117] var_1_13 = (var_1_16 - var_1_18) [L120] unsigned long int stepLocal_6 = var_1_16; [L121] signed long int stepLocal_5 = (- var_1_18) / var_1_26; [L122] COND TRUE var_1_34 < (var_1_5 / var_1_35) [L123] COND TRUE stepLocal_6 > ((((64u) < (var_1_28)) ? (64u) : (var_1_28))) [L124] COND TRUE (var_1_4 - var_1_5) <= var_1_3 [L125] var_1_33 = (((((8u) < 0 ) ? -(8u) : (8u))) + 25u) [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return (((((((((((((- var_1_3) <= (var_1_4 - var_1_5)) ? ((var_1_3 >= (var_1_5 / 255.75f)) ? (var_1_1 == ((signed char) var_1_6)) : (var_1_1 == ((signed char) var_1_6))) : 1) && ((var_1_4 != var_1_5) ? (var_1_7 == ((signed char) var_1_6)) : (var_1_7 == ((signed char) var_1_8)))) && ((var_1_22 || var_1_20) ? (var_1_9 == ((signed char) ((((((((((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) > (((((-2) < 0 ) ? -(-2) : (-2))))) ? (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) : (((((-2) < 0 ) ? -(-2) : (-2))))))) > (var_1_6)) ? (((((((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) > (((((-2) < 0 ) ? -(-2) : (-2))))) ? (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) : (((((-2) < 0 ) ? -(-2) : (-2))))))) : (var_1_6))))) : ((var_1_20 && var_1_22) ? (var_1_9 == ((signed char) ((((var_1_11) < (var_1_8)) ? (var_1_11) : (var_1_8))))) : 1))) && ((var_1_31 == var_1_11) ? ((! var_1_22) ? (var_1_22 ? (var_1_12 == ((signed long int) var_1_18)) : 1) : 1) : 1)) && ((((var_1_6 * var_1_1) / -64) >= var_1_28) ? (var_1_13 == ((unsigned long int) ((((var_1_28) < (var_1_31)) ? (var_1_28) : (var_1_31))))) : ((50u >= var_1_28) ? (var_1_13 == ((unsigned long int) (var_1_16 - var_1_18))) : 1))) && (var_1_18 == ((unsigned char) var_1_19))) && (((var_1_31 / var_1_16) <= var_1_28) ? ((var_1_28 <= var_1_18) ? (var_1_20 == ((unsigned char) var_1_21)) : 1) : 1)) && ((var_1_18 > ((32u / var_1_16) + 32u)) ? (var_1_22 == ((unsigned char) var_1_21)) : 1)) && (var_1_21 ? (var_1_23 == ((unsigned char) ((var_1_24 + var_1_25) + ((var_1_26 + 32) - var_1_27)))) : (var_1_23 == ((unsigned char) var_1_27)))) && ((last_1_var_1_13 > ((((last_1_var_1_31) > (var_1_16)) ? (last_1_var_1_31) : (var_1_16)))) ? (var_1_28 == ((unsigned short int) (((((var_1_29) > (var_1_30)) ? (var_1_29) : (var_1_30))) - last_1_var_1_33))) : (var_1_28 == ((unsigned short int) (var_1_25 + var_1_19))))) && ((var_1_5 <= (- ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))))) ? (var_1_31 == ((unsigned short int) ((25454 + var_1_32) - var_1_1))) : (var_1_31 == ((unsigned short int) ((((((((var_1_19) < (var_1_23)) ? (var_1_19) : (var_1_23)))) > (var_1_29)) ? (((((var_1_19) < (var_1_23)) ? (var_1_19) : (var_1_23)))) : (var_1_29))))))) && ((var_1_34 < (var_1_5 / var_1_35)) ? ((var_1_16 > ((((64u) < (var_1_28)) ? (64u) : (var_1_28)))) ? (((var_1_4 - var_1_5) <= var_1_3) ? (var_1_33 == ((unsigned long int) (((((8u) < 0 ) ? -(8u) : (8u))) + 25u))) : (var_1_33 == ((unsigned long int) ((((var_1_27) > ((var_1_29 + ((((16u) < (var_1_18)) ? (16u) : (var_1_18)))))) ? (var_1_27) : ((var_1_29 + ((((16u) < (var_1_18)) ? (16u) : (var_1_18)))))))))) : ((((- var_1_18) / var_1_26) < var_1_25) ? (var_1_33 == ((unsigned long int) var_1_30)) : (var_1_33 == ((unsigned long int) var_1_7)))) : (var_1_33 == ((unsigned long int) var_1_30))) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=2147483646, var_1_16=2147483647, var_1_18=1, var_1_19=1, var_1_1=-24, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=63, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=2, var_1_29=32767, var_1_30=65534, var_1_31=32767, var_1_32=16384, var_1_33=33, var_1_34=4, var_1_35=5, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=126, var_1_8=126, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=256, last_1_var_1_31=1, last_1_var_1_33=50, var_1_11=-126, var_1_12=2, var_1_13=2147483646, var_1_16=2147483647, var_1_18=1, var_1_19=1, var_1_1=-24, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=63, var_1_24=0, var_1_25=1, var_1_26=31, var_1_27=63, var_1_28=2, var_1_29=32767, var_1_30=65534, var_1_31=32767, var_1_32=16384, var_1_33=33, var_1_34=4, var_1_35=5, var_1_4=2, var_1_5=3, var_1_6=-24, var_1_7=126, var_1_8=126, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 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 [2023-11-19 04:56:09,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ --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 64360fc7d3c5d5814f250bc67771c1266affbe7be077c4ce76d53cff763882cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:56:12,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:56:12,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:56:12,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:56:12,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:56:12,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:56:12,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:56:12,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:56:12,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:56:12,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:56:12,529 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:56:12,529 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:56:12,530 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:56:12,530 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:56:12,531 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:56:12,531 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:56:12,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:56:12,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:56:12,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:56:12,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:56:12,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:56:12,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:56:12,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:56:12,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:56:12,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:56:12,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:56:12,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:56:12,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:56:12,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:56:12,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:56:12,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:56:12,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:56:12,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:56:12,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:12,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:56:12,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:56:12,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:56:12,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:56:12,541 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:12,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:56:12,541 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:56:12,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:56:12,542 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_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64360fc7d3c5d5814f250bc67771c1266affbe7be077c4ce76d53cff763882cf [2023-11-19 04:56:12,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:56:12,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:56:12,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:56:12,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:56:12,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:56:12,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i [2023-11-19 04:56:16,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:56:16,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:56:16,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i [2023-11-19 04:56:16,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data/ea1b6ad5e/eb3c0de5a02d4ad79db86ac346f0a1da/FLAGc810847e1 [2023-11-19 04:56:16,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/data/ea1b6ad5e/eb3c0de5a02d4ad79db86ac346f0a1da [2023-11-19 04:56:16,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:56:16,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:56:16,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:16,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:56:16,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:56:16,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:16" (1/1) ... [2023-11-19 04:56:16,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c613d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:16, skipping insertion in model container [2023-11-19 04:56:16,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:16" (1/1) ... [2023-11-19 04:56:16,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:56:16,745 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_fa31eb95-99ea-4565-b57b-90e2f5a377ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i[916,929] [2023-11-19 04:56:16,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:16,863 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:56:16,877 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_fa31eb95-99ea-4565-b57b-90e2f5a377ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-51.i[916,929] [2023-11-19 04:56:16,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:17,007 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:56:17,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17 WrapperNode [2023-11-19 04:56:17,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:17,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:17,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:56:17,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:56:17,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,120 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-19 04:56:17,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:17,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:56:17,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:56:17,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:56:17,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:56:17,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:56:17,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:56:17,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:56:17,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (1/1) ... [2023-11-19 04:56:17,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:17,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:17,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:56:17,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:56:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:56:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:56:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:56:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:56:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:56:17,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:56:17,480 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:56:17,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:56:25,125 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:56:25,136 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:56:25,138 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:56:25,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:25 BoogieIcfgContainer [2023-11-19 04:56:25,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:56:25,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:56:25,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:56:25,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:56:25,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:56:16" (1/3) ... [2023-11-19 04:56:25,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d624685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:25, skipping insertion in model container [2023-11-19 04:56:25,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:17" (2/3) ... [2023-11-19 04:56:25,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d624685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:25, skipping insertion in model container [2023-11-19 04:56:25,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:25" (3/3) ... [2023-11-19 04:56:25,159 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-51.i [2023-11-19 04:56:25,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:56:25,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:56:25,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:56:25,252 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;@5a7604eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:56:25,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:56:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-19 04:56:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-19 04:56:25,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:25,275 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:25,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:25,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:25,282 INFO L85 PathProgramCache]: Analyzing trace with hash 37560582, now seen corresponding path program 1 times [2023-11-19 04:56:25,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:56:25,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645439521] [2023-11-19 04:56:25,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:25,298 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 [2023-11-19 04:56:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:56:25,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:56:25,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:56:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:26,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:56:26,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2023-11-19 04:56:26,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:56:26,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:56:26,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645439521] [2023-11-19 04:56:26,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645439521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:26,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:26,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:56:26,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730099748] [2023-11-19 04:56:26,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:26,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:56:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:56:26,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:56:26,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:56:26,601 INFO L87 Difference]: Start difference. First operand has 94 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-19 04:56:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:26,653 INFO L93 Difference]: Finished difference Result 181 states and 322 transitions. [2023-11-19 04:56:26,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:56:26,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2023-11-19 04:56:26,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:26,670 INFO L225 Difference]: With dead ends: 181 [2023-11-19 04:56:26,670 INFO L226 Difference]: Without dead ends: 90 [2023-11-19 04:56:26,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:56:26,686 INFO L413 NwaCegarLoop]: 141 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, 141 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 [2023-11-19 04:56:26,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:56:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-19 04:56:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-19 04:56:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-19 04:56:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2023-11-19 04:56:26,749 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 203 [2023-11-19 04:56:26,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:26,750 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2023-11-19 04:56:26,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-19 04:56:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2023-11-19 04:56:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-19 04:56:26,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:26,756 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:26,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:26,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:56:26,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:26,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:26,972 INFO L85 PathProgramCache]: Analyzing trace with hash 653297218, now seen corresponding path program 1 times [2023-11-19 04:56:26,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:56:26,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292252249] [2023-11-19 04:56:26,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:26,974 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 [2023-11-19 04:56:26,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:56:27,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:56:27,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:56:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:28,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:28,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1011 proven. 51 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-11-19 04:56:30,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:56:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 42 proven. 51 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-19 04:56:32,342 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:56:32,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292252249] [2023-11-19 04:56:32,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292252249] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:56:32,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2016895842] [2023-11-19 04:56:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:32,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:32,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:56:32,348 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:56:32,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:56:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:32,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:32,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-19 04:56:42,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:56:42,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2016895842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:42,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:56:42,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2023-11-19 04:56:42,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227220003] [2023-11-19 04:56:42,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:42,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:56:42,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:56:42,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:56:42,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:56:42,020 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-19 04:56:45,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:47,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:49,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:51,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:53,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:55,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:57,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:57,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:57,810 INFO L93 Difference]: Finished difference Result 273 states and 432 transitions. [2023-11-19 04:56:57,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:56:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2023-11-19 04:56:57,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:57,952 INFO L225 Difference]: With dead ends: 273 [2023-11-19 04:56:57,952 INFO L226 Difference]: Without dead ends: 186 [2023-11-19 04:56:57,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 598 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:56:57,955 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 67 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:57,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 364 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 7 Unknown, 0 Unchecked, 15.6s Time] [2023-11-19 04:56:57,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-19 04:56:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 175. [2023-11-19 04:56:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-19 04:56:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2023-11-19 04:56:58,022 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 203 [2023-11-19 04:56:58,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:58,023 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2023-11-19 04:56:58,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-19 04:56:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2023-11-19 04:56:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-19 04:56:58,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:58,030 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:58,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 04:56:58,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:58,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:56:58,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:58,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1674365572, now seen corresponding path program 1 times [2023-11-19 04:56:58,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:56:58,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840638090] [2023-11-19 04:56:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:58,436 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 [2023-11-19 04:56:58,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:56:58,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:56:58,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa31eb95-99ea-4565-b57b-90e2f5a377ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:56:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:59,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:59,454 INFO L285 TraceCheckSpWp]: Computing forward predicates...