./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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 ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:24,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:24,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:13:24,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:24,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:24,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:24,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:24,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:24,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:24,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:24,743 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:24,744 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:24,744 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:24,745 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:13:24,745 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:24,746 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:24,746 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:13:24,747 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:13:24,748 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:24,748 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:13:24,749 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:13:24,749 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:13:24,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:24,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:24,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:24,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:24,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:24,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:24,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:24,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:24,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:24,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:24,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:24,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:24,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:24,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:24,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:24,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:24,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:24,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:24,759 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:13:24,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:13:24,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:24,760 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:24,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:24,761 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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b [2023-11-19 04:13:25,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:25,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:25,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:25,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:25,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:25,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i [2023-11-19 04:13:28,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:28,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:28,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i [2023-11-19 04:13:28,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data/c5258a4d3/eca19ffeac7e4f47b8f4c69b65288b6a/FLAGaff454ba8 [2023-11-19 04:13:28,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data/c5258a4d3/eca19ffeac7e4f47b8f4c69b65288b6a [2023-11-19 04:13:28,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:28,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:28,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:28,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:28,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:28,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5106afd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28, skipping insertion in model container [2023-11-19 04:13:28,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:28,696 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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2023-11-19 04:13:28,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:28,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:28,799 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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2023-11-19 04:13:28,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:28,852 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:28,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28 WrapperNode [2023-11-19 04:13:28,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:28,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:28,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:28,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:28,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,946 INFO L138 Inliner]: procedures = 29, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389 [2023-11-19 04:13:28,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:28,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:28,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:28,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:28,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:28,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:29,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:29,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:29,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:29,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:29,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:29,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:29,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:29,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:29,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (1/1) ... [2023-11-19 04:13:29,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:29,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:29,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:29,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:13:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:13:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:13:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:13:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:13:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:13:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:29,305 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:29,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:29,912 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:30,836 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:30,837 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:13:30,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:30 BoogieIcfgContainer [2023-11-19 04:13:30,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:30,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:30,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:30,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:30,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:28" (1/3) ... [2023-11-19 04:13:30,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c3af1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:30, skipping insertion in model container [2023-11-19 04:13:30,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:28" (2/3) ... [2023-11-19 04:13:30,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c3af1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:30, skipping insertion in model container [2023-11-19 04:13:30,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:30" (3/3) ... [2023-11-19 04:13:30,869 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-29.i [2023-11-19 04:13:30,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:30,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:31,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:31,015 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;@2f19d483, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:31,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:13:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:13:31,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:31,031 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:31,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:31,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:31,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1053495225, now seen corresponding path program 1 times [2023-11-19 04:13:31,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:31,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680212064] [2023-11-19 04:13:31,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:31,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:13:33,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:13:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:13:34,012 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:13:34,014 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:13:34,016 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:13:34,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:13:34,024 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:13:34,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:13:34,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 04:13:34,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 04:13:34,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 04:13:34,112 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:13:34,112 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:13:34,112 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-19 04:13:34,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 04:13:34,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:13:34,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 04:13:34,118 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-19 04:13:34,118 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 04:13:34,118 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 04:13:34,120 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 04:13:34,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:13:34,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 04:13:34,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:13:34,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 04:13:34,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:13:34,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:13:34,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:13:34,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-19 04:13:34,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:13:34,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-19 04:13:34,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:13:34,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:13:34,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:13:34,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 04:13:34,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 04:13:34,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 04:13:34,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 04:13:34,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:13:34,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:13:34,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 04:13:34,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 04:13:34,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:13:34,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:13:34,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:13:34 BoogieIcfgContainer [2023-11-19 04:13:34,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:13:34,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:13:34,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:13:34,185 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:13:34,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:30" (3/4) ... [2023-11-19 04:13:34,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:13:34,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:13:34,196 INFO L158 Benchmark]: Toolchain (without parser) took 5719.44ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 132.6MB in the beginning and 144.7MB in the end (delta: -12.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-11-19 04:13:34,196 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:34,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.93ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 119.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:13:34,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.58ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 115.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:13:34,200 INFO L158 Benchmark]: Boogie Preprocessor took 110.58ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:13:34,205 INFO L158 Benchmark]: RCFGBuilder took 1783.57ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 113.8MB in the beginning and 167.4MB in the end (delta: -53.7MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-19 04:13:34,207 INFO L158 Benchmark]: TraceAbstraction took 3332.39ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 166.4MB in the beginning and 145.8MB in the end (delta: 20.6MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2023-11-19 04:13:34,207 INFO L158 Benchmark]: Witness Printer took 9.20ms. Allocated memory is still 251.7MB. Free memory was 145.8MB in the beginning and 144.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:34,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.93ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 119.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.58ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 115.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.58ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1783.57ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 113.8MB in the beginning and 167.4MB in the end (delta: -53.7MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3332.39ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 166.4MB in the beginning and 145.8MB in the end (delta: 20.6MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. * Witness Printer took 9.20ms. Allocated memory is still 251.7MB. Free memory was 145.8MB in the beginning and 144.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someUnaryFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] float* var_1_1_Pointer = &(var_1_1); [L24] float var_1_3 = 9.3; [L25] float* var_1_3_Pointer = &(var_1_3); [L26] float var_1_4 = 3.4; [L27] float* var_1_4_Pointer = &(var_1_4); [L28] unsigned short int var_1_5 = 32; [L29] unsigned short int* var_1_5_Pointer = &(var_1_5); [L30] unsigned short int var_1_9 = 1; [L31] unsigned short int* var_1_9_Pointer = &(var_1_9); [L32] unsigned char var_1_10 = 8; [L33] unsigned char* var_1_10_Pointer = &(var_1_10); [L34] unsigned char var_1_11 = 5; [L35] unsigned char* var_1_11_Pointer = &(var_1_11); [L36] unsigned char var_1_12 = 1; [L37] unsigned char* var_1_12_Pointer = &(var_1_12); [L38] unsigned char var_1_13 = 1; [L39] unsigned char* var_1_13_Pointer = &(var_1_13); [L40] unsigned char var_1_14 = 8; [L41] unsigned char* var_1_14_Pointer = &(var_1_14); [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L72] var_1_3 = __VERIFIER_nondet_float() [L73] EXPR \read(var_1_3) [L73] EXPR var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F [L73] EXPR (var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F ) [L73] EXPR \read(var_1_3) [L73] EXPR var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F [L73] EXPR \read(var_1_3) [L73] EXPR var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F [L73] EXPR (var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] EXPR \read(var_1_4) [L75] EXPR var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F [L75] EXPR \read(var_1_4) [L75] EXPR var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F [L75] EXPR (var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] var_1_11 = __VERIFIER_nondet_uchar() [L77] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] var_1_13 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L94] RET updateVariables() [L95] CALL step() [L45] EXPR \read(*var_1_13_Pointer) [L45] (*(var_1_12_Pointer)) = (*(var_1_13_Pointer)) [L46] EXPR \read(*var_1_11_Pointer) [L46] (*(var_1_14_Pointer)) = (*(var_1_11_Pointer)) [L47] EXPR \read(*var_1_12_Pointer) [L47] COND TRUE (*(var_1_12_Pointer)) [L48] EXPR \read(*var_1_3_Pointer) [L48] (*(var_1_1_Pointer)) = (*(var_1_3_Pointer)) [L54] EXPR \read(*var_1_1_Pointer) [L54] EXPR \read(*var_1_1_Pointer) [L54] EXPR \read(*var_1_3_Pointer) [L54] COND TRUE ((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer))) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR ((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR ((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))) [L55] (*(var_1_5_Pointer)) = ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))) [L59] EXPR \read(*var_1_14_Pointer) [L59] signed long int stepLocal_0 = 5 * (*(var_1_14_Pointer)); [L60] EXPR \read(*var_1_3_Pointer) [L60] EXPR \read(*var_1_1_Pointer) [L60] EXPR (((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))) [L60] EXPR \read(*var_1_1_Pointer) [L60] EXPR (((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))) [L60] EXPR \read(*var_1_1_Pointer) [L60] COND TRUE (((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer)) [L61] EXPR \read(*var_1_14_Pointer) [L61] COND FALSE !((*(var_1_14_Pointer)) > stepLocal_0) [L67] EXPR \read(*var_1_1_Pointer) [L67] EXPR \read(*var_1_3_Pointer) [L67] COND FALSE !((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR \read(*var_1_12_Pointer) [L86] EXPR (*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1) [L86] EXPR \read(*var_1_1_Pointer) [L86] EXPR \read(*var_1_3_Pointer) [L86] EXPR (*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1) [L86] EXPR ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer))))) [L86] EXPR (((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1) [L86] EXPR ((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1) [L86] EXPR (((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1)) && ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_13_Pointer)))) [L86] EXPR ((((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1)) && ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_13_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) [L86-L87] return ((((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1)) && ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_13_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 6, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:13:34,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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 ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:37,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:37,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:13:37,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:37,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:37,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:37,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:37,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:37,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:37,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:37,224 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:37,225 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:37,226 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:37,226 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:37,227 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:37,228 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:37,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:37,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:37,230 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:37,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:37,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:37,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:37,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:37,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:37,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:13:37,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:13:37,236 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:13:37,236 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:37,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:37,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:37,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:37,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:13:37,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:37,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:37,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:37,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:37,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:37,242 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:13:37,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:13:37,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:37,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:37,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:37,245 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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b [2023-11-19 04:13:37,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:37,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:37,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:37,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:37,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:37,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i [2023-11-19 04:13:41,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:41,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:41,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i [2023-11-19 04:13:41,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data/d17454ad0/53501a9507374f83b9d36901c85e776e/FLAG5754d2264 [2023-11-19 04:13:41,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/data/d17454ad0/53501a9507374f83b9d36901c85e776e [2023-11-19 04:13:41,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:41,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:41,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:41,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:41,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:41,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:41" (1/1) ... [2023-11-19 04:13:41,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f35383d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:41, skipping insertion in model container [2023-11-19 04:13:41,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:41" (1/1) ... [2023-11-19 04:13:41,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:41,824 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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2023-11-19 04:13:41,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:41,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:41,945 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_dbbcf577-8560-4bc2-9be6-2c6d07e64389/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2023-11-19 04:13:41,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:42,036 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:42,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42 WrapperNode [2023-11-19 04:13:42,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:42,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:42,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:42,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:42,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,132 INFO L138 Inliner]: procedures = 33, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389 [2023-11-19 04:13:42,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:42,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:42,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:42,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:42,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:42,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:42,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:42,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:42,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (1/1) ... [2023-11-19 04:13:42,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:42,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:42,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:42,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:13:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:13:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:13:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:13:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:13:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:13:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:13:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:13:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:13:42,452 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:42,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:50,881 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:50,891 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:50,892 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:13:50,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:50 BoogieIcfgContainer [2023-11-19 04:13:50,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:50,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:50,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:50,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:50,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:41" (1/3) ... [2023-11-19 04:13:50,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee5f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:50, skipping insertion in model container [2023-11-19 04:13:50,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:42" (2/3) ... [2023-11-19 04:13:50,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee5f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:50, skipping insertion in model container [2023-11-19 04:13:50,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:50" (3/3) ... [2023-11-19 04:13:50,906 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-29.i [2023-11-19 04:13:50,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:50,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:50,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:50,985 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;@5fa98e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:50,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:13:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:13:51,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:51,003 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:51,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:51,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:51,010 INFO L85 PathProgramCache]: Analyzing trace with hash 355468766, now seen corresponding path program 1 times [2023-11-19 04:13:51,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:51,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780044992] [2023-11-19 04:13:51,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:51,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:51,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:51,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:51,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:13:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:51,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:13:51,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 04:13:51,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:51,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:51,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780044992] [2023-11-19 04:13:51,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780044992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:51,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:51,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:51,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849120893] [2023-11-19 04:13:51,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:51,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:13:51,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:51,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:13:51,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:51,772 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 04:13:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:51,802 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2023-11-19 04:13:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:13:51,804 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2023-11-19 04:13:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:51,812 INFO L225 Difference]: With dead ends: 169 [2023-11-19 04:13:51,813 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 04:13:51,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:51,819 INFO L413 NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:51,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 04:13:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 04:13:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:13:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2023-11-19 04:13:51,867 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2023-11-19 04:13:51,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:51,867 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2023-11-19 04:13:51,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 04:13:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-19 04:13:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:13:51,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:51,873 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:51,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:52,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:52,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:52,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:52,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1665302122, now seen corresponding path program 1 times [2023-11-19 04:13:52,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:52,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285609763] [2023-11-19 04:13:52,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:52,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:52,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:52,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:52,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:13:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:52,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:13:52,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:13:52,792 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:52,792 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285609763] [2023-11-19 04:13:52,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285609763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:52,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:52,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:13:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773181626] [2023-11-19 04:13:52,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:52,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:52,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:52,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:52,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:52,797 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 04:13:53,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:53,143 INFO L93 Difference]: Finished difference Result 189 states and 271 transitions. [2023-11-19 04:13:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 04:13:53,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2023-11-19 04:13:53,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:53,147 INFO L225 Difference]: With dead ends: 189 [2023-11-19 04:13:53,147 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 04:13:53,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:13:53,150 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 53 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:53,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 550 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:13:53,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 04:13:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 90. [2023-11-19 04:13:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:13:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2023-11-19 04:13:53,163 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 73 [2023-11-19 04:13:53,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:53,165 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2023-11-19 04:13:53,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 04:13:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2023-11-19 04:13:53,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:13:53,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:53,168 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:53,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:53,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:53,379 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:53,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash 109705240, now seen corresponding path program 1 times [2023-11-19 04:13:53,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:53,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421307812] [2023-11-19 04:13:53,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:53,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:53,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:53,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:53,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:13:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:53,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:13:53,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:13:54,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:54,004 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:54,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421307812] [2023-11-19 04:13:54,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421307812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:54,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:54,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 04:13:54,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494593406] [2023-11-19 04:13:54,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:54,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:13:54,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:54,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:13:54,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:13:54,007 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 04:13:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:54,472 INFO L93 Difference]: Finished difference Result 196 states and 272 transitions. [2023-11-19 04:13:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 04:13:54,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2023-11-19 04:13:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:54,475 INFO L225 Difference]: With dead ends: 196 [2023-11-19 04:13:54,475 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 04:13:54,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-19 04:13:54,477 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 43 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:54,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 652 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:13:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 04:13:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2023-11-19 04:13:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:13:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 128 transitions. [2023-11-19 04:13:54,490 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 128 transitions. Word has length 73 [2023-11-19 04:13:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:54,491 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 128 transitions. [2023-11-19 04:13:54,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 04:13:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2023-11-19 04:13:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:13:54,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:54,493 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:54,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:54,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:54,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:54,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash 111552282, now seen corresponding path program 1 times [2023-11-19 04:13:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:54,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521419606] [2023-11-19 04:13:54,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:54,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:54,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:13:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:55,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:13:55,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:55,502 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-19 04:13:55,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 43 [2023-11-19 04:13:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:13:55,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:55,623 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:55,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521419606] [2023-11-19 04:13:55,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521419606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:55,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:55,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990716000] [2023-11-19 04:13:55,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:55,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:13:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:55,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:13:55,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:55,626 INFO L87 Difference]: Start difference. First operand 92 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 04:13:57,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:59,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:02,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:03,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:06,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:08,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:10,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:14:12,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:15,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:17,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:19,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:19,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:19,779 INFO L93 Difference]: Finished difference Result 233 states and 324 transitions. [2023-11-19 04:14:19,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:14:19,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2023-11-19 04:14:19,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:19,783 INFO L225 Difference]: With dead ends: 233 [2023-11-19 04:14:19,783 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 04:14:19,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:14:19,785 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 62 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:19,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 305 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 9 Unknown, 0 Unchecked, 24.0s Time] [2023-11-19 04:14:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 04:14:19,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 98. [2023-11-19 04:14:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:14:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2023-11-19 04:14:19,797 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 73 [2023-11-19 04:14:19,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:19,798 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2023-11-19 04:14:19,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 04:14:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2023-11-19 04:14:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:14:19,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:19,800 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:19,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:14:20,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:14:20,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:14:20,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:20,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1476795620, now seen corresponding path program 1 times [2023-11-19 04:14:20,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:14:20,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028623644] [2023-11-19 04:14:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:20,012 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:14:20,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:14:20,014 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:14:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbcf577-8560-4bc2-9be6-2c6d07e64389/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 (6)] Waiting until timeout for monitored process [2023-11-19 04:14:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:20,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:14:20,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:14:21,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 04:14:23,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-19 04:14:24,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42