./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 9a6eb020dd5fc267d88746fe4eb11cf317cd32bdb77c0e2b4d0f38e8ddbe11e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:15,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:15,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:14:15,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:15,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:16,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:16,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:16,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:16,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:16,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:16,022 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:16,023 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:16,024 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:16,026 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:16,027 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:16,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:16,028 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:16,029 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:16,030 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:16,030 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:16,031 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:16,032 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:16,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:16,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:16,034 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:16,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:16,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:16,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:16,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:16,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:16,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:16,054 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:16,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:16,055 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:16,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:16,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:16,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:16,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:16,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:16,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:16,058 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:16,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:16,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:16,060 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:16,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:16,061 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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a6eb020dd5fc267d88746fe4eb11cf317cd32bdb77c0e2b4d0f38e8ddbe11e3 [2023-11-19 05:14:16,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:16,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:16,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:16,466 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:16,467 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:16,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i [2023-11-19 05:14:19,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:20,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:20,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i [2023-11-19 05:14:20,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data/1c523dc36/219a786938f649bfa94b0e283d2efa59/FLAGcb38e664a [2023-11-19 05:14:20,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data/1c523dc36/219a786938f649bfa94b0e283d2efa59 [2023-11-19 05:14:20,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:20,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:20,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:20,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:20,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:20,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d3a158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20, skipping insertion in model container [2023-11-19 05:14:20,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:20,382 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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i[917,930] [2023-11-19 05:14:20,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:20,494 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:20,510 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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i[917,930] [2023-11-19 05:14:20,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:20,603 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:20,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20 WrapperNode [2023-11-19 05:14:20,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:20,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:20,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:20,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:20,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,693 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-19 05:14:20,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:20,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:20,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:20,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:20,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:20,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:20,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:20,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:20,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (1/1) ... [2023-11-19 05:14:20,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:20,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:20,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:14:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:14:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:14:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:20,999 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:21,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:21,510 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:21,787 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:21,787 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:21,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:21 BoogieIcfgContainer [2023-11-19 05:14:21,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:21,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:21,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:21,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:21,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:20" (1/3) ... [2023-11-19 05:14:21,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8780256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:21, skipping insertion in model container [2023-11-19 05:14:21,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:20" (2/3) ... [2023-11-19 05:14:21,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8780256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:21, skipping insertion in model container [2023-11-19 05:14:21,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:21" (3/3) ... [2023-11-19 05:14:21,806 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-23.i [2023-11-19 05:14:21,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:21,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:21,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:21,893 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;@68b3dacb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:21,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:14:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:14:21,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:21,916 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:21,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:21,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash 712823978, now seen corresponding path program 1 times [2023-11-19 05:14:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852615764] [2023-11-19 05:14:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:21,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:22,250 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:14:22,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909436686] [2023-11-19 05:14:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:22,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:22,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:22,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:14:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:14:22,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:14:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:14:22,989 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:14:22,992 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:14:22,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:14:23,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:23,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:14:23,210 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:14:23,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:14:23,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:14:23 BoogieIcfgContainer [2023-11-19 05:14:23,343 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:14:23,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:14:23,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:14:23,344 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:14:23,354 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:21" (3/4) ... [2023-11-19 05:14:23,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:14:23,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:14:23,360 INFO L158 Benchmark]: Toolchain (without parser) took 3233.19ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 110.1MB in the beginning and 105.8MB in the end (delta: 4.3MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:23,361 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:23,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.45ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 95.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:14:23,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.45ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:23,369 INFO L158 Benchmark]: Boogie Preprocessor took 44.37ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:23,372 INFO L158 Benchmark]: RCFGBuilder took 1055.04ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 89.2MB in the beginning and 155.1MB in the end (delta: -65.9MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-19 05:14:23,374 INFO L158 Benchmark]: TraceAbstraction took 1543.33ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 105.8MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:23,374 INFO L158 Benchmark]: Witness Printer took 15.40ms. Allocated memory is still 192.9MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:23,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.45ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 95.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.45ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.37ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1055.04ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 89.2MB in the beginning and 155.1MB in the end (delta: -65.9MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1543.33ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 105.8MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 15.40ms. Allocated memory is still 192.9MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 1.4; [L26] double var_1_5 = 3.6; [L27] double var_1_6 = 10.6; [L28] float var_1_7 = 9.25; [L29] float var_1_8 = 1.2; [L30] float var_1_9 = 0.0; [L31] float var_1_10 = 3.1; [L32] float var_1_11 = 500.5; [L33] signed long int var_1_12 = 0; [L34] unsigned char var_1_13 = 10; [L35] unsigned char var_1_14 = 8; [L36] signed long int var_1_15 = 8; [L37] signed long int var_1_16 = -25; [L38] unsigned char var_1_17 = 64; [L39] unsigned long int var_1_18 = 25; [L40] signed char var_1_19 = -100; [L41] signed short int var_1_20 = -4; [L42] unsigned short int var_1_21 = 200; [L43] unsigned short int var_1_22 = 54878; [L44] double var_1_23 = 9999.8; [L45] float var_1_24 = -0.25; [L46] signed char var_1_25 = 50; [L151] isInitial = 1 [L152] FCALL initially() [L153] COND TRUE 1 [L154] FCALL updateLastVariables() [L155] CALL updateVariables() [L100] var_1_2 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L103] var_1_3 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=18/5, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L106] var_1_5 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=53/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L108] var_1_6 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L110] var_1_7 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=6/5, var_1_9=0] [L112] var_1_8 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=0] [L114] var_1_9 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L116] var_1_10 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=7, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L118] var_1_11 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L120] var_1_13 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L122] CALL assume_abort_if_not(var_1_13 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_13 <= 64) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L123] var_1_14 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L125] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L126] var_1_15 = __VERIFIER_nondet_long() [L127] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L128] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-25, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L129] var_1_16 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_16 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_16 >= -1073741823) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L131] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L132] var_1_17 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L134] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L135] CALL assume_abort_if_not(var_1_17 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_17 != 127) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L136] var_1_20 = __VERIFIER_nondet_short() [L137] CALL assume_abort_if_not(var_1_20 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_20 >= -32768) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L138] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L139] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L140] var_1_22 = __VERIFIER_nondet_ushort() [L141] CALL assume_abort_if_not(var_1_22 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_22 >= 32767) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L142] CALL assume_abort_if_not(var_1_22 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_22 <= 65534) VAL [isInitial=1, var_1_10=7, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L155] RET updateVariables() [L156] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = var_1_3 [L53] unsigned char stepLocal_0 = var_1_5 <= var_1_6; [L54] COND TRUE stepLocal_0 || var_1_2 [L55] var_1_4 = ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) [L59] signed long int stepLocal_3 = (200 - var_1_13) - var_1_14; [L60] signed long int stepLocal_2 = var_1_15 / (128 - var_1_17); [L61] unsigned char stepLocal_1 = var_1_13; [L62] COND TRUE stepLocal_3 != var_1_15 [L63] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))) [L75] COND FALSE !((- (var_1_13 / var_1_17)) > var_1_15) [L78] COND TRUE (var_1_16 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_18 [L79] var_1_19 = ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))) [L83] unsigned char stepLocal_4 = var_1_17; [L84] COND FALSE !(5 <= stepLocal_4) [L87] COND FALSE !(\read(var_1_1)) [L95] var_1_23 = var_1_10 [L96] var_1_24 = 31.75f [L97] var_1_25 = -5 [L156] RET step() [L157] CALL, EXPR property() [L147-L148] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) var_1_3)) : 1) && (((var_1_5 <= var_1_6) || var_1_2) ? (var_1_4 == ((float) ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))))) : (var_1_4 == ((float) ((var_1_9 - var_1_10) - var_1_11))))) && ((((200 - var_1_13) - var_1_14) != var_1_15) ? (var_1_12 == ((signed long int) (var_1_13 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : (((var_1_15 / (128 - var_1_17)) < var_1_13) ? ((var_1_13 >= var_1_15) ? (var_1_12 == ((signed long int) var_1_14)) : (var_1_12 == ((signed long int) var_1_17))) : (var_1_12 == ((signed long int) var_1_17))))) && (((- (var_1_13 / var_1_17)) > var_1_15) ? (var_1_18 == ((unsigned long int) var_1_13)) : 1)) && (((var_1_16 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_18) ? (var_1_19 == ((signed char) ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))))) : (var_1_19 == ((signed char) var_1_17)))) && ((5 <= var_1_17) ? (var_1_21 == ((unsigned short int) (var_1_22 - var_1_17))) : (var_1_1 ? (var_1_2 ? (var_1_21 == ((unsigned short int) var_1_17)) : (var_1_21 == ((unsigned short int) var_1_17))) : 1))) && (var_1_23 == ((double) var_1_10))) && (var_1_24 == ((float) 31.75f))) && (var_1_25 == ((signed char) -5)) ; [L157] RET, EXPR property() [L157] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=-53, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=1, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=32767, var_1_23=7, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=7, var_1_11=8, var_1_12=-53, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=-53, var_1_17=1, var_1_18=25, var_1_19=1, var_1_1=0, var_1_20=-2, var_1_21=200, var_1_22=32767, var_1_23=7, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 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 05:14:23,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 9a6eb020dd5fc267d88746fe4eb11cf317cd32bdb77c0e2b4d0f38e8ddbe11e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:26,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:26,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:14:26,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:26,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:26,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:26,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:26,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:26,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:26,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:26,536 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:26,537 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:26,537 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:26,538 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:26,539 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:26,539 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:26,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:26,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:26,542 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:26,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:26,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:26,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:26,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:26,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:26,545 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:14:26,546 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:14:26,546 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:14:26,547 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:26,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:26,548 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:26,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:26,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:14:26,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:26,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:26,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:26,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:26,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:26,551 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:14:26,551 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:26,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:26,552 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:26,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:26,552 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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a6eb020dd5fc267d88746fe4eb11cf317cd32bdb77c0e2b4d0f38e8ddbe11e3 [2023-11-19 05:14:26,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:27,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:27,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:27,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:27,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:27,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i [2023-11-19 05:14:30,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:30,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:30,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i [2023-11-19 05:14:30,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data/9f4488ec4/21eda85c60ea4d17ab2f541f9c6817b1/FLAG102cef0c4 [2023-11-19 05:14:30,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/data/9f4488ec4/21eda85c60ea4d17ab2f541f9c6817b1 [2023-11-19 05:14:30,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:30,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:30,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:30,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:30,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:30,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:30" (1/1) ... [2023-11-19 05:14:30,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51778728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:30, skipping insertion in model container [2023-11-19 05:14:30,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:30" (1/1) ... [2023-11-19 05:14:30,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:30,955 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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i[917,930] [2023-11-19 05:14:31,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:31,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:31,089 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_72f52387-215c-4d2b-ad5c-f1c7e4824d62/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-23.i[917,930] [2023-11-19 05:14:31,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:31,158 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:31,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31 WrapperNode [2023-11-19 05:14:31,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:31,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:31,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:31,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:31,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,227 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-11-19 05:14:31,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:31,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:31,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:31,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:31,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:31,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:31,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:31,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:31,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (1/1) ... [2023-11-19 05:14:31,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:31,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:31,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:14:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:14:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:14:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:31,520 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:31,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:33,636 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:33,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:33,655 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:33,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:33 BoogieIcfgContainer [2023-11-19 05:14:33,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:33,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:33,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:33,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:33,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:30" (1/3) ... [2023-11-19 05:14:33,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632adcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:33, skipping insertion in model container [2023-11-19 05:14:33,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:31" (2/3) ... [2023-11-19 05:14:33,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632adcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:33, skipping insertion in model container [2023-11-19 05:14:33,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:33" (3/3) ... [2023-11-19 05:14:33,675 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-23.i [2023-11-19 05:14:33,690 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:33,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:33,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:33,769 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;@3ef9dd78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:33,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:14:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:14:33,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:33,796 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:33,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:33,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:33,806 INFO L85 PathProgramCache]: Analyzing trace with hash -930050023, now seen corresponding path program 1 times [2023-11-19 05:14:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967272395] [2023-11-19 05:14:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:33,827 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 05:14:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:33,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 05:14:33,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 05:14:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:34,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:14:34,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-19 05:14:34,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:34,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967272395] [2023-11-19 05:14:34,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967272395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:34,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:34,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:14:34,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32494179] [2023-11-19 05:14:34,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:34,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:14:34,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:34,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:14:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:34,648 INFO L87 Difference]: Start difference. First operand has 76 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:14:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:34,721 INFO L93 Difference]: Finished difference Result 145 states and 251 transitions. [2023-11-19 05:14:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:14:34,724 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 170 [2023-11-19 05:14:34,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:34,758 INFO L225 Difference]: With dead ends: 145 [2023-11-19 05:14:34,758 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 05:14:34,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 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 05:14:34,770 INFO L413 NwaCegarLoop]: 108 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, 108 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 05:14:34,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:14:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 05:14:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 05:14:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:14:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 108 transitions. [2023-11-19 05:14:34,846 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 108 transitions. Word has length 170 [2023-11-19 05:14:34,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:34,847 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 108 transitions. [2023-11-19 05:14:34,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:14:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2023-11-19 05:14:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:14:34,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:34,860 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:34,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:35,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 05:14:35,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:35,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash -228201237, now seen corresponding path program 1 times [2023-11-19 05:14:35,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:35,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705289037] [2023-11-19 05:14:35,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:35,079 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 05:14:35,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:35,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 05:14:35,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f52387-215c-4d2b-ad5c-f1c7e4824d62/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 05:14:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:35,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 05:14:35,702 INFO L285 TraceCheckSpWp]: Computing forward predicates...