./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae4bd28ae16307d1c89f4762e8ec993b282248d03072c0c86ac9e6f5c531cd3b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:35,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:35,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:49:35,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:35,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:35,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:35,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:35,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:35,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:35,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:35,847 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:35,848 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:35,849 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:35,849 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:49:35,850 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:35,850 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:35,851 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:49:35,851 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:49:35,852 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:35,853 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:49:35,853 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:49:35,854 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:49:35,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:35,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:35,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:35,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:49:35,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:35,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:35,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:35,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:35,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:35,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:35,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:35,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:35,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:35,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:35,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:35,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:35,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:35,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:35,861 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:49:35,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:49:35,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:35,862 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:35,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:35,863 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_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae4bd28ae16307d1c89f4762e8ec993b282248d03072c0c86ac9e6f5c531cd3b [2023-11-12 00:49:36,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:36,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:36,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:36,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:36,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:36,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i [2023-11-12 00:49:39,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:39,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:39,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i [2023-11-12 00:49:39,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data/e3165ece3/afa430bfecb746bc903902ab88cedc9c/FLAGe1aff096a [2023-11-12 00:49:39,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data/e3165ece3/afa430bfecb746bc903902ab88cedc9c [2023-11-12 00:49:39,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:39,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:39,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:39,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:39,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:39,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:39" (1/1) ... [2023-11-12 00:49:39,624 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 12.11 12:49:39, skipping insertion in model container [2023-11-12 00:49:39,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:39" (1/1) ... [2023-11-12 00:49:39,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:39,853 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_888839f9-7e05-4456-b3be-e8c9a9eafd14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i[913,926] [2023-11-12 00:49:39,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:39,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:39,943 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_888839f9-7e05-4456-b3be-e8c9a9eafd14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i[913,926] [2023-11-12 00:49:39,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:40,015 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:40,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40 WrapperNode [2023-11-12 00:49:40,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:40,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:40,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:40,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:40,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,088 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-12 00:49:40,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:40,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:40,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:40,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:40,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:40,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:40,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:40,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:40,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (1/1) ... [2023-11-12 00:49:40,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:40,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:40,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:40,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:49:40,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:49:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:49:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:40,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:40,434 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:40,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:40,874 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:41,187 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:41,187 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:41,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:41 BoogieIcfgContainer [2023-11-12 00:49:41,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:41,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:41,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:41,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:41,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:39" (1/3) ... [2023-11-12 00:49:41,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0ef850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:41, skipping insertion in model container [2023-11-12 00:49:41,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:40" (2/3) ... [2023-11-12 00:49:41,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0ef850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:41, skipping insertion in model container [2023-11-12 00:49:41,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:41" (3/3) ... [2023-11-12 00:49:41,207 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-69.i [2023-11-12 00:49:41,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:41,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:41,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:41,306 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;@2bd05d6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:41,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:49:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:49:41,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:41,327 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:41,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:41,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:41,333 INFO L85 PathProgramCache]: Analyzing trace with hash -853806124, now seen corresponding path program 1 times [2023-11-12 00:49:41,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:41,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832447991] [2023-11-12 00:49:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:41,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:42,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:49:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:49:42,506 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:49:42,511 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:49:42,512 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:49:42,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:49:42,520 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:49:42,528 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:49:42,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:49:42 BoogieIcfgContainer [2023-11-12 00:49:42,683 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:49:42,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:49:42,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:49:42,685 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:49:42,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:41" (3/4) ... [2023-11-12 00:49:42,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:49:42,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:49:42,693 INFO L158 Benchmark]: Toolchain (without parser) took 3081.90ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 66.9MB in the end (delta: 54.5MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:42,693 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:42,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.74ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 106.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:49:42,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.14ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 103.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:42,696 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 101.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:42,701 INFO L158 Benchmark]: RCFGBuilder took 1044.78ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 88.9MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:49:42,703 INFO L158 Benchmark]: TraceAbstraction took 1486.53ms. Allocated memory is still 159.4MB. Free memory was 88.3MB in the beginning and 66.9MB in the end (delta: 21.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-12 00:49:42,703 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 159.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:42,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.74ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 106.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.14ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 103.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 101.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.78ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 88.9MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1486.53ms. Allocated memory is still 159.4MB. Free memory was 88.3MB in the beginning and 66.9MB in the end (delta: 21.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 159.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] signed short int var_1_2 = -4; [L24] signed short int var_1_3 = 128; [L25] signed short int var_1_4 = 10; [L26] unsigned char var_1_5 = 200; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 64; [L30] signed char var_1_9 = -128; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] double var_1_12 = 32.75; [L34] double var_1_13 = 255.6; [L35] signed short int var_1_14 = 8; [L36] unsigned long int var_1_15 = 256; [L37] unsigned long int var_1_16 = 4031871391; [L38] unsigned long int var_1_17 = 3083112228; [L39] unsigned long int var_1_18 = 3058504136; [L40] unsigned long int var_1_19 = 1902304375; [L41] unsigned char var_1_20 = 1; [L42] signed char var_1_21 = -2; [L43] unsigned char var_1_22 = 0; [L44] unsigned char var_1_23 = 1; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L92] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L93] var_1_3 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L95] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L96] var_1_4 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L98] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L101] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L102] var_1_6 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=0, var_1_8=64, var_1_9=-128] [L104] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=0, var_1_8=64, var_1_9=-128] [L105] var_1_7 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=64, var_1_9=-128] [L107] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=64, var_1_9=-128] [L108] var_1_8 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L110] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L111] var_1_10 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L113] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L114] var_1_11 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L116] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L117] var_1_13 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L119] var_1_16 = __VERIFIER_nondet_ulong() [L120] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L121] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L122] var_1_17 = __VERIFIER_nondet_ulong() [L123] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L124] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L125] var_1_18 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L127] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L128] var_1_19 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L130] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L131] var_1_21 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L133] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L134] var_1_22 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L136] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L137] var_1_23 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L139] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=6442450947, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-128] [L152] RET updateVariables() [L153] CALL step() [L48] COND FALSE !(var_1_2 >= (var_1_3 - var_1_4)) [L51] var_1_1 = (32 + var_1_7) [L53] COND FALSE !((var_1_8 - var_1_5) >= var_1_4) [L60] var_1_9 = var_1_5 [L62] COND TRUE var_1_7 > var_1_4 [L63] COND FALSE !(((var_1_9 + var_1_2) == var_1_3) && var_1_10) [L70] var_1_12 = var_1_13 [L75] COND TRUE var_1_11 || (var_1_6 <= var_1_8) [L76] var_1_14 = var_1_6 [L78] COND FALSE !(var_1_12 < var_1_13) [L81] var_1_15 = (var_1_18 - var_1_19) [L83] COND TRUE var_1_21 < var_1_1 [L84] var_1_20 = ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)) [L153] RET step() [L154] CALL, EXPR property() [L144-L145] return ((((((var_1_2 >= (var_1_3 - var_1_4)) ? (var_1_1 == ((unsigned char) ((var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))) - var_1_8))) : (var_1_1 == ((unsigned char) (32 + var_1_7)))) && (((var_1_8 - var_1_5) >= var_1_4) ? ((var_1_10 || var_1_11) ? (var_1_9 == ((signed char) var_1_6)) : (var_1_9 == ((signed char) var_1_7))) : (var_1_9 == ((signed char) var_1_5)))) && ((var_1_7 > var_1_4) ? ((((var_1_9 + var_1_2) == var_1_3) && var_1_10) ? ((! var_1_11) ? (var_1_12 == ((double) var_1_13)) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13)))) && ((var_1_11 || (var_1_6 <= var_1_8)) ? (var_1_14 == ((signed short int) var_1_6)) : 1)) && ((var_1_12 < var_1_13) ? (var_1_15 == ((unsigned long int) (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)))) : (var_1_15 == ((unsigned long int) (var_1_18 - var_1_19))))) && ((var_1_21 < var_1_1) ? (var_1_20 == ((unsigned char) ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)))) : (var_1_20 == ((unsigned char) var_1_23))) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=6442450947, var_1_13=6442450947, var_1_14=4, var_1_15=2147483646, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=36, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=6442450947, var_1_13=6442450947, var_1_14=4, var_1_15=2147483646, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967293, var_1_19=2147483647, var_1_1=36, var_1_20=1, var_1_21=35, var_1_22=0, var_1_23=1, var_1_2=-5, var_1_3=-1, var_1_4=3, var_1_5=254, var_1_6=4, var_1_7=4, var_1_8=127, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, 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: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:49:42,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae4bd28ae16307d1c89f4762e8ec993b282248d03072c0c86ac9e6f5c531cd3b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:45,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:45,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:49:45,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:45,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:45,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:45,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:45,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:45,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:45,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:45,705 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:45,706 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:45,706 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:45,708 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:45,708 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:45,709 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:45,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:45,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:45,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:45,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:45,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:45,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:45,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:45,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:45,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:49:45,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:49:45,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:49:45,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:45,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:45,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:45,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:45,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:49:45,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:45,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:45,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:45,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:45,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:45,720 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:49:45,720 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:45,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:45,721 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:45,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:45,722 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_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae4bd28ae16307d1c89f4762e8ec993b282248d03072c0c86ac9e6f5c531cd3b [2023-11-12 00:49:46,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:46,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:46,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:46,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:46,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:46,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i [2023-11-12 00:49:49,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:49,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:49,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i [2023-11-12 00:49:49,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data/0a09f64ba/7d3e833fb7154c7199e13515ec8e5fc4/FLAGf6584bd8f [2023-11-12 00:49:49,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/data/0a09f64ba/7d3e833fb7154c7199e13515ec8e5fc4 [2023-11-12 00:49:49,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:49,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:49,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:49,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:49,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:49,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:49" (1/1) ... [2023-11-12 00:49:49,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18798aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:49, skipping insertion in model container [2023-11-12 00:49:49,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:49" (1/1) ... [2023-11-12 00:49:49,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:50,118 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_888839f9-7e05-4456-b3be-e8c9a9eafd14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i[913,926] [2023-11-12 00:49:50,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:50,246 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:50,263 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_888839f9-7e05-4456-b3be-e8c9a9eafd14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-69.i[913,926] [2023-11-12 00:49:50,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:50,336 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:50,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50 WrapperNode [2023-11-12 00:49:50,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:50,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:50,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:50,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:50,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,395 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-12 00:49:50,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:50,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:50,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:50,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:50,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:50,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:50,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:50,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:50,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (1/1) ... [2023-11-12 00:49:50,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:50,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:50,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:50,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:49:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:49:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:49:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:50,631 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:50,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:51,144 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:51,155 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:51,155 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:51,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:51 BoogieIcfgContainer [2023-11-12 00:49:51,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:51,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:51,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:51,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:51,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:49" (1/3) ... [2023-11-12 00:49:51,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bedd497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:51, skipping insertion in model container [2023-11-12 00:49:51,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:50" (2/3) ... [2023-11-12 00:49:51,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bedd497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:51, skipping insertion in model container [2023-11-12 00:49:51,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:51" (3/3) ... [2023-11-12 00:49:51,168 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-69.i [2023-11-12 00:49:51,187 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:51,188 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:51,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:51,261 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;@67ecf499, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:51,262 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:49:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:49:51,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:51,292 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:51,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:51,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:51,299 INFO L85 PathProgramCache]: Analyzing trace with hash 259802831, now seen corresponding path program 1 times [2023-11-12 00:49:51,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:51,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450323882] [2023-11-12 00:49:51,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:51,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:51,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:49:51,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:49:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:51,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:49:51,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2023-11-12 00:49:51,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:51,766 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:51,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450323882] [2023-11-12 00:49:51,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450323882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:51,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:51,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:49:51,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334051835] [2023-11-12 00:49:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:51,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:49:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:51,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:49:51,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:51,805 INFO L87 Difference]: Start difference. First operand has 78 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-12 00:49:51,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:51,844 INFO L93 Difference]: Finished difference Result 149 states and 271 transitions. [2023-11-12 00:49:51,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:49:51,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 197 [2023-11-12 00:49:51,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:51,854 INFO L225 Difference]: With dead ends: 149 [2023-11-12 00:49:51,854 INFO L226 Difference]: Without dead ends: 74 [2023-11-12 00:49:51,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:51,862 INFO L413 NwaCegarLoop]: 115 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, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:51,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:49:51,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-12 00:49:51,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-12 00:49:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:49:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-11-12 00:49:51,916 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 197 [2023-11-12 00:49:51,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:51,917 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-11-12 00:49:51,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-12 00:49:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-11-12 00:49:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:49:51,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:51,923 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:51,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:52,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:52,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:52,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:52,131 INFO L85 PathProgramCache]: Analyzing trace with hash 2104862801, now seen corresponding path program 1 times [2023-11-12 00:49:52,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:52,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114713318] [2023-11-12 00:49:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:52,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:49:52,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:52,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:49:52,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888839f9-7e05-4456-b3be-e8c9a9eafd14/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:49:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:52,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-12 00:49:52,453 INFO L285 TraceCheckSpWp]: Computing forward predicates...