./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 9704c260bb320bd8ff033a8e82239ebc7c1dec84cc605a8d02c980829b53fa09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:22,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:22,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:12:22,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:22,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:22,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:22,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:22,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:22,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:22,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:22,141 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:22,142 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:22,143 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:22,143 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:12:22,144 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:22,145 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:22,145 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:12:22,146 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:12:22,146 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:22,147 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:12:22,147 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:12:22,148 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:12:22,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:22,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:22,150 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:12:22,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:12:22,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:12:22,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:22,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:22,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:22,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:22,153 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:12:22,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:22,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:22,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:22,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:22,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:22,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:22,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:22,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:22,158 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:12:22,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:12:22,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:22,159 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:22,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:22,160 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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9704c260bb320bd8ff033a8e82239ebc7c1dec84cc605a8d02c980829b53fa09 [2023-11-12 00:12:22,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:22,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:22,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:22,456 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:22,457 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:22,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i [2023-11-12 00:12:25,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:25,885 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:25,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i [2023-11-12 00:12:25,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data/f68d37aa4/bc2a63febb1047cbbf603938af4353ec/FLAG88cb98530 [2023-11-12 00:12:25,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data/f68d37aa4/bc2a63febb1047cbbf603938af4353ec [2023-11-12 00:12:25,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:25,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:25,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:25,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:25,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:25,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:25" (1/1) ... [2023-11-12 00:12:25,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340f5938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:25, skipping insertion in model container [2023-11-12 00:12:25,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:25" (1/1) ... [2023-11-12 00:12:25,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:26,201 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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i[915,928] [2023-11-12 00:12:26,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:26,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:26,371 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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i[915,928] [2023-11-12 00:12:26,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:26,473 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:26,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26 WrapperNode [2023-11-12 00:12:26,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:26,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:26,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:26,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:26,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,573 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-11-12 00:12:26,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:26,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:26,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:26,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:26,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:26,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:26,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:26,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:26,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (1/1) ... [2023-11-12 00:12:26,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:26,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:26,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:26,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:12:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:26,926 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:26,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:27,412 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:27,693 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:27,693 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:12:27,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:27 BoogieIcfgContainer [2023-11-12 00:12:27,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:27,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:27,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:27,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:27,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:25" (1/3) ... [2023-11-12 00:12:27,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b462bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:27, skipping insertion in model container [2023-11-12 00:12:27,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:26" (2/3) ... [2023-11-12 00:12:27,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b462bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:27, skipping insertion in model container [2023-11-12 00:12:27,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:27" (3/3) ... [2023-11-12 00:12:27,712 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-99.i [2023-11-12 00:12:27,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:27,733 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:12:27,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:27,804 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;@1f813f5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:27,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:12:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-12 00:12:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-12 00:12:27,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:27,825 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:27,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:27,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:27,832 INFO L85 PathProgramCache]: Analyzing trace with hash 600100496, now seen corresponding path program 1 times [2023-11-12 00:12:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:27,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874029360] [2023-11-12 00:12:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:28,057 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:12:28,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737901805] [2023-11-12 00:12:28,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:28,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:12:28,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:28,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:12:28,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:12:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:12:28,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:12:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:12:28,554 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:12:28,556 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:12:28,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:12:28,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:12:28,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:12:28,770 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:12:28,774 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:12:28,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:12:28 BoogieIcfgContainer [2023-11-12 00:12:28,906 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:12:28,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:12:28,907 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:12:28,908 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:12:28,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:27" (3/4) ... [2023-11-12 00:12:28,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:12:28,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:12:28,913 INFO L158 Benchmark]: Toolchain (without parser) took 2987.10ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 78.9MB in the end (delta: 28.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-12 00:12:28,914 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:12:28,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.11ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 92.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:12:28,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.56ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 88.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:12:28,916 INFO L158 Benchmark]: Boogie Preprocessor took 83.39ms. Allocated memory is still 151.0MB. Free memory was 88.6MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:12:28,917 INFO L158 Benchmark]: RCFGBuilder took 1037.44ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 70.2MB in the end (delta: 16.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-12 00:12:28,918 INFO L158 Benchmark]: TraceAbstraction took 1205.57ms. Allocated memory is still 151.0MB. Free memory was 69.6MB in the beginning and 78.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:12:28,918 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 151.0MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:12:28,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.11ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 92.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.56ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 88.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.39ms. Allocated memory is still 151.0MB. Free memory was 88.6MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.44ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 70.2MB in the end (delta: 16.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1205.57ms. Allocated memory is still 151.0MB. Free memory was 69.6MB in the beginning and 78.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 151.0MB. Free memory is still 78.9MB. 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 74, overapproximation of bitwiseOr at line 84, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] signed long int var_1_6 = 25; [L28] double var_1_10 = 99999999999.25; [L29] double var_1_11 = 255.25; [L30] double var_1_12 = 1.125; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 5; [L33] unsigned char var_1_15 = 32; [L34] unsigned char var_1_16 = 4; [L35] unsigned char var_1_17 = 2; [L36] signed char var_1_18 = 4; [L37] signed char var_1_19 = 16; [L38] signed char var_1_20 = 32; [L39] signed char var_1_21 = 25; [L40] signed char var_1_22 = 1; [L41] signed char var_1_23 = 100; [L42] double var_1_24 = 3.125; [L43] double var_1_25 = 0.0; [L44] unsigned short int var_1_26 = 32; [L45] unsigned short int var_1_27 = 36217; [L46] unsigned char var_1_28 = 2; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L94] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L97] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L100] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=1021/4, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L101] var_1_11 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=9/8, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L103] var_1_12 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=5, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L105] var_1_14 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L107] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=4, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L108] var_1_16 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L110] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=2, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L111] var_1_17 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L113] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=16, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L114] var_1_19 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L116] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=32, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L117] var_1_20 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L119] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=25, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 >= -63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L122] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=1, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L123] var_1_22 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_22 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 >= -1) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L125] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=100, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L126] var_1_23 = __VERIFIER_nondet_char() [L127] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L128] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=0, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L129] var_1_25 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_25 >= 4611686.018427382800e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=3, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_25 >= 4611686.018427382800e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=3, var_1_26=32, var_1_27=36217, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L131] var_1_27 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_27 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=3, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_27 >= 32767) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=3, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L133] CALL assume_abort_if_not(var_1_27 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=3, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_27 <= 65534) VAL [isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=2, var_1_14=24, var_1_15=32, var_1_16=6, var_1_17=18, var_1_18=4, var_1_19=63, var_1_1=1, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=25/8, var_1_25=3, var_1_26=32, var_1_27=32767, var_1_28=2, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=25] [L146] RET updateVariables() [L147] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (var_1_3 || var_1_4) [L55] COND TRUE ! var_1_5 [L56] var_1_15 = (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))) [L58] var_1_18 = ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23)))) [L59] COND FALSE !(\read(var_1_1)) [L62] var_1_28 = var_1_16 [L63] var_1_6 = ((var_1_28 - var_1_26) + var_1_26) [L64] COND TRUE var_1_26 < (var_1_6 * var_1_28) [L65] COND FALSE !(\read(var_1_3)) [L73] signed long int stepLocal_0 = - var_1_26; [L74] COND TRUE var_1_12 != var_1_10 [L75] var_1_13 = var_1_14 [L83] signed char stepLocal_1 = var_1_23; [L84] EXPR var_1_20 ^ var_1_28 [L84] COND TRUE stepLocal_1 >= (var_1_20 ^ var_1_28) [L85] var_1_24 = ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))) [L147] RET step() [L148] CALL, EXPR property() [L138] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 || (var_1_4 || var_1_5))))) && (var_1_6 == ((signed long int) ((var_1_28 - var_1_26) + var_1_26)))) && ((var_1_26 < (var_1_6 * var_1_28)) ? (var_1_3 ? ((var_1_26 <= var_1_6) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1) : 1) : (var_1_10 == ((double) var_1_12)))) && ((var_1_12 != var_1_10) ? (var_1_13 == ((unsigned char) var_1_14)) : (((- var_1_26) > var_1_14) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) 25))))) && ((! var_1_5) ? (var_1_15 == ((unsigned char) (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))))) : 1)) && (var_1_18 == ((signed char) ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23))))))) && ((var_1_23 >= (var_1_20 ^ var_1_28)) ? (var_1_24 == ((double) ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))))) : 1) [L138] EXPR var_1_20 ^ var_1_28 [L138] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 || (var_1_4 || var_1_5))))) && (var_1_6 == ((signed long int) ((var_1_28 - var_1_26) + var_1_26)))) && ((var_1_26 < (var_1_6 * var_1_28)) ? (var_1_3 ? ((var_1_26 <= var_1_6) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1) : 1) : (var_1_10 == ((double) var_1_12)))) && ((var_1_12 != var_1_10) ? (var_1_13 == ((unsigned char) var_1_14)) : (((- var_1_26) > var_1_14) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) 25))))) && ((! var_1_5) ? (var_1_15 == ((unsigned char) (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))))) : 1)) && (var_1_18 == ((signed char) ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23))))))) && ((var_1_23 >= (var_1_20 ^ var_1_28)) ? (var_1_24 == ((double) ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))))) : 1) [L138-L139] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 || (var_1_4 || var_1_5))))) && (var_1_6 == ((signed long int) ((var_1_28 - var_1_26) + var_1_26)))) && ((var_1_26 < (var_1_6 * var_1_28)) ? (var_1_3 ? ((var_1_26 <= var_1_6) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1) : 1) : (var_1_10 == ((double) var_1_12)))) && ((var_1_12 != var_1_10) ? (var_1_13 == ((unsigned char) var_1_14)) : (((- var_1_26) > var_1_14) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) 25))))) && ((! var_1_5) ? (var_1_15 == ((unsigned char) (((((var_1_16 + var_1_17)) > (var_1_14)) ? ((var_1_16 + var_1_17)) : (var_1_14))))) : 1)) && (var_1_18 == ((signed char) ((((((var_1_19 - var_1_20) + var_1_21)) > ((var_1_22 - var_1_23))) ? (((var_1_19 - var_1_20) + var_1_21)) : ((var_1_22 - var_1_23))))))) && ((var_1_23 >= (var_1_20 ^ var_1_28)) ? (var_1_24 == ((double) ((((((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) > (((var_1_25 - 25.5) - 127.125))) ? (((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))) : (((var_1_25 - 25.5) - 127.125)))))) : 1)) && (var_1_1 ? (var_1_26 == ((unsigned short int) ((((((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) < ((var_1_27 - var_1_17))) ? (((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) : ((var_1_27 - var_1_17)))))) : 1)) && (var_1_28 == ((unsigned char) var_1_16)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=24, var_1_14=24, var_1_15=24, var_1_16=6, var_1_17=18, var_1_18=120, var_1_19=63, var_1_1=0, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=4, var_1_25=3, var_1_26=32, var_1_27=32767, var_1_28=6, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=399999999997/4, var_1_11=2, var_1_12=4, var_1_13=24, var_1_14=24, var_1_15=24, var_1_16=6, var_1_17=18, var_1_18=120, var_1_19=63, var_1_1=0, var_1_20=5, var_1_21=-63, var_1_22=126, var_1_23=6, var_1_24=4, var_1_25=3, var_1_26=32, var_1_27=32767, var_1_28=6, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 00:12:28,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 9704c260bb320bd8ff033a8e82239ebc7c1dec84cc605a8d02c980829b53fa09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:31,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:31,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:12:31,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:31,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:31,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:31,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:31,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:31,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:31,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:31,892 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:31,892 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:31,893 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:31,895 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:31,895 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:31,896 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:31,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:31,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:31,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:12:31,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:12:31,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:31,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:31,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:31,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:31,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:12:31,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:12:31,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:12:31,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:12:31,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:31,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:31,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:31,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:12:31,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:31,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:31,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:31,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:31,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:31,908 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:12:31,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:12:31,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:31,910 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:31,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:31,911 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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9704c260bb320bd8ff033a8e82239ebc7c1dec84cc605a8d02c980829b53fa09 [2023-11-12 00:12:32,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:32,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:32,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:32,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:32,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:32,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i [2023-11-12 00:12:35,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:35,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:35,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i [2023-11-12 00:12:36,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data/fb08e0b9d/91ba510ea69c4c95a0df83ddf7de3d11/FLAG915417fcf [2023-11-12 00:12:36,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/data/fb08e0b9d/91ba510ea69c4c95a0df83ddf7de3d11 [2023-11-12 00:12:36,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:36,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:36,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:36,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:36,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:36,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692cab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36, skipping insertion in model container [2023-11-12 00:12:36,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:36,259 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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i[915,928] [2023-11-12 00:12:36,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:36,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:36,358 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_f5ed5d90-75bf-4104-b24b-9865b4122b9e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-99.i[915,928] [2023-11-12 00:12:36,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:36,441 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:36,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36 WrapperNode [2023-11-12 00:12:36,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:36,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:36,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:36,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:36,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,531 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-12 00:12:36,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:36,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:36,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:36,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:36,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:36,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:36,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:36,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:36,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (1/1) ... [2023-11-12 00:12:36,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:36,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:36,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:12:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:12:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:12:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:36,854 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:36,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:39,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:39,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:39,189 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:12:39,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:39 BoogieIcfgContainer [2023-11-12 00:12:39,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:39,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:39,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:39,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:39,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:36" (1/3) ... [2023-11-12 00:12:39,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54500e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:39, skipping insertion in model container [2023-11-12 00:12:39,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:36" (2/3) ... [2023-11-12 00:12:39,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54500e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:39, skipping insertion in model container [2023-11-12 00:12:39,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:39" (3/3) ... [2023-11-12 00:12:39,201 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-99.i [2023-11-12 00:12:39,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:39,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:12:39,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:39,288 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44b2ad55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:39,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:12:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-12 00:12:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-12 00:12:39,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:39,314 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:39,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:39,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash 638589968, now seen corresponding path program 1 times [2023-11-12 00:12:39,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:12:39,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938039757] [2023-11-12 00:12:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:39,337 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 00:12:39,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:12:39,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:12:39,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:12:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:40,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:12:40,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 455 proven. 141 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2023-11-12 00:12:41,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:12:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2023-11-12 00:12:42,486 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:12:42,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938039757] [2023-11-12 00:12:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938039757] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:12:42,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1931527135] [2023-11-12 00:12:42,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:42,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:12:42,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:12:42,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:12:42,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:12:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:43,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 00:12:43,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 455 proven. 141 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2023-11-12 00:12:44,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:12:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2023-11-12 00:12:45,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1931527135] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:12:45,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34371886] [2023-11-12 00:12:45,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:45,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:12:45,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:45,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:12:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:12:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:45,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:12:45,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 455 proven. 141 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2023-11-12 00:12:46,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:12:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2023-11-12 00:12:47,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34371886] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:12:47,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:12:47,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 13 [2023-11-12 00:12:47,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990221481] [2023-11-12 00:12:47,681 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:12:47,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:12:47,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:12:47,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:12:47,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:12:47,739 INFO L87 Difference]: Start difference. First operand has 77 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-11-12 00:12:50,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:12:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:52,615 INFO L93 Difference]: Finished difference Result 243 states and 427 transitions. [2023-11-12 00:12:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-12 00:12:52,619 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 180 [2023-11-12 00:12:52,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:52,632 INFO L225 Difference]: With dead ends: 243 [2023-11-12 00:12:52,632 INFO L226 Difference]: Without dead ends: 169 [2023-11-12 00:12:52,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1062 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2023-11-12 00:12:52,645 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 224 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:12:52,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 356 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-12 00:12:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-12 00:12:52,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 83. [2023-11-12 00:12:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-12 00:12:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2023-11-12 00:12:52,752 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 180 [2023-11-12 00:12:52,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:12:52,756 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2023-11-12 00:12:52,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-11-12 00:12:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2023-11-12 00:12:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-12 00:12:52,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:52,768 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:52,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:12:53,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-12 00:12:53,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:12:53,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:12:53,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:53,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1339654546, now seen corresponding path program 1 times [2023-11-12 00:12:53,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:12:53,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375023402] [2023-11-12 00:12:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:53,401 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 00:12:53,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:12:53,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:12:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:12:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:53,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:12:53,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 760 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2023-11-12 00:12:55,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:12:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-12 00:12:56,434 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:12:56,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375023402] [2023-11-12 00:12:56,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375023402] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:12:56,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [733218112] [2023-11-12 00:12:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:56,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:12:56,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:12:56,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:12:56,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:12:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:57,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:12:57,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2023-11-12 00:12:59,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:13:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-12 00:13:00,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [733218112] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:13:00,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181278524] [2023-11-12 00:13:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:00,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:13:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:00,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:13:00,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:13:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:00,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:13:00,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2023-11-12 00:13:02,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:13:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-12 00:13:02,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181278524] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:13:02,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:13:02,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 13 [2023-11-12 00:13:02,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137070782] [2023-11-12 00:13:02,953 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:13:02,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:13:02,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:13:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:13:02,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:13:02,966 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-11-12 00:13:07,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:13:08,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:08,154 INFO L93 Difference]: Finished difference Result 217 states and 292 transitions. [2023-11-12 00:13:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 00:13:08,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 180 [2023-11-12 00:13:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:08,158 INFO L225 Difference]: With dead ends: 217 [2023-11-12 00:13:08,158 INFO L226 Difference]: Without dead ends: 137 [2023-11-12 00:13:08,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1063 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:13:08,162 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 137 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:08,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 271 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-12 00:13:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-12 00:13:08,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 122. [2023-11-12 00:13:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 76 states have (on average 1.144736842105263) internal successors, (87), 77 states have internal predecessors, (87), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-12 00:13:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2023-11-12 00:13:08,189 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 180 [2023-11-12 00:13:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 163 transitions. [2023-11-12 00:13:08,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-11-12 00:13:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions. [2023-11-12 00:13:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-12 00:13:08,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:08,194 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:08,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:13:08,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:13:08,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:13:08,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:13:08,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:08,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1574420026, now seen corresponding path program 1 times [2023-11-12 00:13:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:13:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496196521] [2023-11-12 00:13:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:08,815 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 00:13:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:13:08,816 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:13:08,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 (8)] Waiting until timeout for monitored process [2023-11-12 00:13:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:09,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:13:09,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-12 00:13:09,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:13:09,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:13:09,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496196521] [2023-11-12 00:13:09,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496196521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:13:09,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:13:09,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:13:09,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531042917] [2023-11-12 00:13:09,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:13:09,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:13:09,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:13:09,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:13:09,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:13:09,818 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-12 00:13:10,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:13:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:11,080 INFO L93 Difference]: Finished difference Result 360 states and 483 transitions. [2023-11-12 00:13:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:13:11,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2023-11-12 00:13:11,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:11,118 INFO L225 Difference]: With dead ends: 360 [2023-11-12 00:13:11,118 INFO L226 Difference]: Without dead ends: 241 [2023-11-12 00:13:11,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:13:11,122 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 22 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:11,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 298 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 00:13:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-12 00:13:11,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2023-11-12 00:13:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 148 states have (on average 1.1418918918918919) internal successors, (169), 150 states have internal predecessors, (169), 76 states have call successors, (76), 14 states have call predecessors, (76), 14 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-12 00:13:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 321 transitions. [2023-11-12 00:13:11,179 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 321 transitions. Word has length 181 [2023-11-12 00:13:11,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:11,180 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 321 transitions. [2023-11-12 00:13:11,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-12 00:13:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 321 transitions. [2023-11-12 00:13:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-12 00:13:11,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:11,184 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:11,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:13:11,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:13:11,404 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:11,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:11,404 INFO L85 PathProgramCache]: Analyzing trace with hash 200587336, now seen corresponding path program 1 times [2023-11-12 00:13:11,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:13:11,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288870237] [2023-11-12 00:13:11,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:11,406 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 00:13:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:13:11,408 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 00:13:11,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ed5d90-75bf-4104-b24b-9865b4122b9e/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 (9)] Waiting until timeout for monitored process [2023-11-12 00:13:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:12,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-12 00:13:12,302 INFO L285 TraceCheckSpWp]: Computing forward predicates...