./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25840860c78de275d49136a8e7b041bfd54ebe6c9f8e50f6ca8cb09cd039519b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:18,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:18,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:25:18,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:18,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:18,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:18,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:18,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:18,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:18,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:18,360 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:18,362 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:18,362 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:18,364 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:25:18,365 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:18,365 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:18,366 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:25:18,366 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:25:18,367 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:18,367 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:25:18,368 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:25:18,369 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:25:18,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:18,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:18,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:18,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:25:18,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:18,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:18,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:18,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:18,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:18,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:18,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:18,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:18,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:18,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:18,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:18,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:18,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:18,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:18,377 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:25:18,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:25:18,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:18,379 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:18,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:18,380 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25840860c78de275d49136a8e7b041bfd54ebe6c9f8e50f6ca8cb09cd039519b [2023-11-19 05:25:18,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:18,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:18,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:18,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:18,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:18,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i [2023-11-19 05:25:21,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:22,095 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:22,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i [2023-11-19 05:25:22,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data/ceaa88d2a/898be780898e4126810485604f1df927/FLAG32e220baf [2023-11-19 05:25:22,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data/ceaa88d2a/898be780898e4126810485604f1df927 [2023-11-19 05:25:22,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:22,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:22,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:22,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:22,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:22,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b712349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22, skipping insertion in model container [2023-11-19 05:25:22,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:22,347 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i[913,926] [2023-11-19 05:25:22,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:22,425 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:22,438 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i[913,926] [2023-11-19 05:25:22,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:22,497 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:22,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22 WrapperNode [2023-11-19 05:25:22,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:22,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:22,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:22,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:22,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,572 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2023-11-19 05:25:22,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:22,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:22,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:22,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:22,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:22,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:22,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:22,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:22,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:22,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:22,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:22,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:22,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:23,428 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:23,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:23,724 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:23,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:23 BoogieIcfgContainer [2023-11-19 05:25:23,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:23,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:23,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:23,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:23,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:22" (1/3) ... [2023-11-19 05:25:23,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3122216a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:23, skipping insertion in model container [2023-11-19 05:25:23,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (2/3) ... [2023-11-19 05:25:23,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3122216a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:23, skipping insertion in model container [2023-11-19 05:25:23,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:23" (3/3) ... [2023-11-19 05:25:23,741 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-13.i [2023-11-19 05:25:23,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:23,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:23,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:23,833 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;@6efa8a89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:23,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:25:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:25:23,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:23,860 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:23,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:23,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:23,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1282367360, now seen corresponding path program 1 times [2023-11-19 05:25:23,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:23,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678440401] [2023-11-19 05:25:23,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:23,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:24,099 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:25:24,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368163955] [2023-11-19 05:25:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:24,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:24,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:24,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:24,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:25:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:24,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:24,785 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:24,788 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:24,790 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:25:24,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 05:25:24,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:25:25,003 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:25:25,007 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:25:25,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:25:25 BoogieIcfgContainer [2023-11-19 05:25:25,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:25:25,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:25:25,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:25:25,152 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:25:25,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:23" (3/4) ... [2023-11-19 05:25:25,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:25:25,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:25:25,158 INFO L158 Benchmark]: Toolchain (without parser) took 3022.97ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 95.3MB in the beginning and 135.1MB in the end (delta: -39.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:25,158 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:25,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.78ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 80.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:25:25,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.83ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 77.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:25,160 INFO L158 Benchmark]: Boogie Preprocessor took 55.27ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:25,161 INFO L158 Benchmark]: RCFGBuilder took 1100.29ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 74.9MB in the beginning and 113.8MB in the end (delta: -38.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-19 05:25:25,162 INFO L158 Benchmark]: TraceAbstraction took 1417.94ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 135.1MB in the end (delta: -21.3MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-19 05:25:25,162 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 169.9MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:25,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.78ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 80.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.83ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 77.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.27ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.29ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 74.9MB in the beginning and 113.8MB in the end (delta: -38.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1417.94ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 135.1MB in the end (delta: -21.3MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 169.9MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of shiftRight at line 49, overapproximation of someBinaryArithmeticDOUBLEoperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] unsigned short int var_1_2 = 256; [L24] signed long int var_1_3 = 500; [L25] signed char var_1_4 = 16; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 1; [L28] unsigned short int var_1_7 = 50; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 64; [L33] signed char var_1_12 = -10; [L34] signed char var_1_13 = -10; [L35] signed char var_1_14 = -25; [L36] double var_1_15 = 64.875; [L37] unsigned long int var_1_16 = 1000000; [L38] double var_1_17 = 1.625; [L39] double var_1_18 = 32.2; [L40] double var_1_19 = 8.6; [L41] double var_1_20 = 10.5; [L42] signed short int var_1_21 = -64; [L43] unsigned char var_1_22 = 25; [L44] unsigned char var_1_23 = 0; [L45] unsigned long int var_1_24 = 5; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=500, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=500, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=500, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=500, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=16, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L96] var_1_5 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=50, var_1_8=1, var_1_9=0] [L99] var_1_6 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=50, var_1_8=1, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=50, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=50, var_1_8=1, var_1_9=0] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L105] var_1_9 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L107] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L108] var_1_10 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L110] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L111] var_1_11 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L113] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L114] var_1_13 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L116] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L117] var_1_14 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L119] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=1000000, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L120] var_1_16 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L122] CALL assume_abort_if_not(var_1_16 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 4294967295) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L129] var_1_20 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=63, var_1_12=-10, var_1_13=31, var_1_14=36, var_1_15=519/8, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L143] RET updateVariables() [L144] CALL step() [L49] EXPR var_1_3 >> var_1_4 [L49] COND TRUE (~ var_1_2) != (var_1_3 >> var_1_4) [L50] COND FALSE !(var_1_5 || var_1_6) [L53] var_1_1 = var_1_7 [L58] COND FALSE !(\read(var_1_9)) [L61] COND TRUE var_1_10 > var_1_8 [L62] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) [L64] COND FALSE !(var_1_4 > var_1_1) [L67] var_1_15 = var_1_17 [L69] COND FALSE !(var_1_6 || var_1_9) [L74] COND TRUE ((- var_1_11) < 8) || var_1_9 [L75] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) [L77] var_1_23 = (var_1_11 + var_1_4) [L78] COND TRUE var_1_18 <= var_1_20 [L79] var_1_24 = ((((var_1_8) < ((var_1_7 + var_1_11))) ? (var_1_8) : ((var_1_7 + var_1_11)))) [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR var_1_3 >> var_1_4 [L135-L136] return (((((((((~ var_1_2) != (var_1_3 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_8) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_8 % var_1_10) > var_1_16) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_7 + var_1_11))) ? (var_1_8) : ((var_1_7 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_23)) : 1)) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=67, var_1_13=31, var_1_14=36, var_1_15=2, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=65534, var_1_20=5, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=63, var_1_12=67, var_1_13=31, var_1_14=36, var_1_15=2, var_1_16=4, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=65534, var_1_20=5, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:25:25,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25840860c78de275d49136a8e7b041bfd54ebe6c9f8e50f6ca8cb09cd039519b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:27,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:28,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:25:28,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:28,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:28,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:28,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:28,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:28,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:28,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:28,081 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:28,081 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:28,082 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:28,084 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:28,084 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:28,085 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:28,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:28,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:28,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:28,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:28,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:28,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:28,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:28,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:28,091 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:25:28,091 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:25:28,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:25:28,092 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:28,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:28,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:28,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:28,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:25:28,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:28,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:28,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:28,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:28,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:28,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:25:28,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:28,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:28,099 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:28,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:28,100 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25840860c78de275d49136a8e7b041bfd54ebe6c9f8e50f6ca8cb09cd039519b [2023-11-19 05:25:28,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:28,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:28,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:28,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:28,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:28,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i [2023-11-19 05:25:31,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:32,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:32,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i [2023-11-19 05:25:32,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data/febd9c50d/f91af551de604509bb26390c1ff383be/FLAGf1f64cea5 [2023-11-19 05:25:32,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/data/febd9c50d/f91af551de604509bb26390c1ff383be [2023-11-19 05:25:32,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:32,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:32,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:32,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:32,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:32,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76307731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32, skipping insertion in model container [2023-11-19 05:25:32,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:32,358 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i[913,926] [2023-11-19 05:25:32,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:32,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:32,504 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_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-13.i[913,926] [2023-11-19 05:25:32,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:32,584 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:32,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32 WrapperNode [2023-11-19 05:25:32,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:32,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:32,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:32,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:32,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,671 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-19 05:25:32,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:32,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:32,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:32,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:32,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:32,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:32,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:32,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:32,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:32,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:32,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:32,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:32,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:32,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:37,415 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:37,434 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:37,434 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:37,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:37 BoogieIcfgContainer [2023-11-19 05:25:37,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:37,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:37,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:37,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:37,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:32" (1/3) ... [2023-11-19 05:25:37,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2924884d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:37, skipping insertion in model container [2023-11-19 05:25:37,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (2/3) ... [2023-11-19 05:25:37,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2924884d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:37, skipping insertion in model container [2023-11-19 05:25:37,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:37" (3/3) ... [2023-11-19 05:25:37,449 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-13.i [2023-11-19 05:25:37,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:37,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:37,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:37,545 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;@659e9977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:37,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:25:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:25:37,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:37,577 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:37,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:37,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:37,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2079685081, now seen corresponding path program 1 times [2023-11-19 05:25:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:37,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755816880] [2023-11-19 05:25:37,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:37,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:37,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:37,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:25:37,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:25:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:38,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:25:38,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 05:25:38,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:38,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755816880] [2023-11-19 05:25:38,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755816880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:38,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:38,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:25:38,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129876407] [2023-11-19 05:25:38,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:38,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:25:38,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:38,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:25:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:38,284 INFO L87 Difference]: Start difference. First operand has 74 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:25:38,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:38,319 INFO L93 Difference]: Finished difference Result 141 states and 250 transitions. [2023-11-19 05:25:38,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:25:38,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2023-11-19 05:25:38,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:38,335 INFO L225 Difference]: With dead ends: 141 [2023-11-19 05:25:38,336 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 05:25:38,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:38,347 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:38,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 05:25:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-19 05:25:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:25:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2023-11-19 05:25:38,400 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 173 [2023-11-19 05:25:38,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:38,401 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2023-11-19 05:25:38,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:25:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2023-11-19 05:25:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:25:38,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:38,409 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:38,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:25:38,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:38,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:38,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash -425525729, now seen corresponding path program 1 times [2023-11-19 05:25:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422340804] [2023-11-19 05:25:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:38,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:38,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:38,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:25:38,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:25:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:39,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:25:39,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:41,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 428 proven. 132 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-19 05:25:41,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:25:41,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:41,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422340804] [2023-11-19 05:25:41,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422340804] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:41,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [270913024] [2023-11-19 05:25:41,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:41,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:41,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:41,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:41,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:25:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:42,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:25:42,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 05:25:42,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:42,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [270913024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:42,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:25:42,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 6] total 14 [2023-11-19 05:25:42,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149781131] [2023-11-19 05:25:42,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:42,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:25:42,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:42,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:25:42,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:25:42,316 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:25:43,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:43,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:43,940 INFO L93 Difference]: Finished difference Result 175 states and 264 transitions. [2023-11-19 05:25:43,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:25:43,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2023-11-19 05:25:43,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:43,945 INFO L225 Difference]: With dead ends: 175 [2023-11-19 05:25:43,945 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 05:25:43,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:25:43,948 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:43,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 246 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 05:25:43,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 05:25:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2023-11-19 05:25:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 63 states have internal predecessors, (78), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-19 05:25:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2023-11-19 05:25:43,974 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 173 [2023-11-19 05:25:43,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:43,975 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2023-11-19 05:25:43,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:25:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2023-11-19 05:25:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:25:43,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:43,979 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:43,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:44,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:44,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:44,391 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:44,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:44,392 INFO L85 PathProgramCache]: Analyzing trace with hash 275538849, now seen corresponding path program 1 times [2023-11-19 05:25:44,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:44,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760747180] [2023-11-19 05:25:44,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:44,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:44,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:44,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:25:44,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:25:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:44,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:25:44,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 428 proven. 132 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-19 05:25:46,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:25:47,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:47,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760747180] [2023-11-19 05:25:47,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760747180] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:47,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1190031934] [2023-11-19 05:25:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:47,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:47,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:47,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 05:25:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:48,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:25:48,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 477 proven. 66 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-19 05:25:48,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:25:49,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1190031934] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160957284] [2023-11-19 05:25:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:49,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:49,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:49,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:49,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 05:25:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:49,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:25:49,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 477 proven. 66 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-19 05:25:50,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:25:50,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160957284] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:50,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:25:50,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 15 [2023-11-19 05:25:50,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982833361] [2023-11-19 05:25:50,510 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:25:50,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 05:25:50,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:50,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 05:25:50,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-19 05:25:50,515 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 15 states, 15 states have (on average 5.8) internal successors, (87), 14 states have internal predecessors, (87), 5 states have call successors, (73), 4 states have call predecessors, (73), 6 states have return successors, (75), 5 states have call predecessors, (75), 5 states have call successors, (75) [2023-11-19 05:25:53,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:56,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:57,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:57,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:57,939 INFO L93 Difference]: Finished difference Result 329 states and 469 transitions. [2023-11-19 05:25:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-19 05:25:57,940 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 14 states have internal predecessors, (87), 5 states have call successors, (73), 4 states have call predecessors, (73), 6 states have return successors, (75), 5 states have call predecessors, (75), 5 states have call successors, (75) Word has length 173 [2023-11-19 05:25:57,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:57,945 INFO L225 Difference]: With dead ends: 329 [2023-11-19 05:25:57,946 INFO L226 Difference]: Without dead ends: 227 [2023-11-19 05:25:57,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 1020 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2023-11-19 05:25:57,949 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 315 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 101 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:57,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 234 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2023-11-19 05:25:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-19 05:25:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 168. [2023-11-19 05:25:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 111 states have (on average 1.2522522522522523) internal successors, (139), 114 states have internal predecessors, (139), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 05:25:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 235 transitions. [2023-11-19 05:25:57,990 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 235 transitions. Word has length 173 [2023-11-19 05:25:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:57,993 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 235 transitions. [2023-11-19 05:25:57,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 14 states have internal predecessors, (87), 5 states have call successors, (73), 4 states have call predecessors, (73), 6 states have return successors, (75), 5 states have call predecessors, (75), 5 states have call successors, (75) [2023-11-19 05:25:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 235 transitions. [2023-11-19 05:25:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:25:58,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:58,006 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:58,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:58,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:58,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:58,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:58,608 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:58,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:58,608 INFO L85 PathProgramCache]: Analyzing trace with hash 955597219, now seen corresponding path program 1 times [2023-11-19 05:25:58,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:58,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305243603] [2023-11-19 05:25:58,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:58,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:58,610 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:25:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77178cd-43ae-4a4c-b283-f3f9fb24f32b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:25:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:59,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 05:25:59,033 INFO L285 TraceCheckSpWp]: Computing forward predicates...