./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:44,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:45,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:51:45,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:45,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:45,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:45,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:45,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:45,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:45,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:45,127 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:45,128 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:45,128 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:45,130 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:51:45,131 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:45,131 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:45,131 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:51:45,132 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:51:45,132 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:45,133 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:51:45,133 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:51:45,134 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:51:45,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:45,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:45,137 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:51:45,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:51:45,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:51:45,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:45,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:45,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:45,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:45,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:51:45,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:45,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:45,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:45,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:45,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:45,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:45,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:45,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:45,144 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:51:45,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:51:45,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:45,145 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:45,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:45,146 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_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 [2023-11-12 00:51:45,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:45,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:45,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:45,518 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:45,519 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:45,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2023-11-12 00:51:48,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:49,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:49,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2023-11-12 00:51:49,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data/bd4d8fb26/3945dfff275d482ba65ab35b4d3774cd/FLAG4ce8f3f0b [2023-11-12 00:51:49,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data/bd4d8fb26/3945dfff275d482ba65ab35b4d3774cd [2023-11-12 00:51:49,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:49,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:49,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:49,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:49,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:49,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4404450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49, skipping insertion in model container [2023-11-12 00:51:49,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:49,368 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_4e1a6f98-4431-4b1b-a026-e733aafc551b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2023-11-12 00:51:49,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:49,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:49,508 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_4e1a6f98-4431-4b1b-a026-e733aafc551b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2023-11-12 00:51:49,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:49,578 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:49,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49 WrapperNode [2023-11-12 00:51:49,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:49,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:49,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:49,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:49,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,663 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-12 00:51:49,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:49,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:49,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:49,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:49,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:49,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:49,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:49,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:49,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (1/1) ... [2023-11-12 00:51:49,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:49,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:49,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:49,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:50,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:50,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:50,496 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:50,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:50,855 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:50,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:50 BoogieIcfgContainer [2023-11-12 00:51:50,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:50,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:50,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:50,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:50,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:49" (1/3) ... [2023-11-12 00:51:50,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cace70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:50, skipping insertion in model container [2023-11-12 00:51:50,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:49" (2/3) ... [2023-11-12 00:51:50,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cace70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:50, skipping insertion in model container [2023-11-12 00:51:50,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:50" (3/3) ... [2023-11-12 00:51:50,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2023-11-12 00:51:50,895 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:50,896 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:50,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:50,971 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;@2c66a51f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:50,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:51:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-12 00:51:50,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:50,992 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:50,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:50,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:50,997 INFO L85 PathProgramCache]: Analyzing trace with hash -24124319, now seen corresponding path program 1 times [2023-11-12 00:51:51,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:51,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358642256] [2023-11-12 00:51:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:51:52,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:51:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:51:52,858 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:51:52,861 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:51:52,862 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:51:52,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:51:52,871 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:51:52,877 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:51:53,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:51:53 BoogieIcfgContainer [2023-11-12 00:51:53,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:51:53,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:51:53,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:51:53,083 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:51:53,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:50" (3/4) ... [2023-11-12 00:51:53,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:51:53,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:51:53,093 INFO L158 Benchmark]: Toolchain (without parser) took 4001.23ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 109.6MB in the beginning and 134.6MB in the end (delta: -25.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:53,094 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:51:53,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.40ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 95.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:51:53,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.20ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 93.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:53,098 INFO L158 Benchmark]: Boogie Preprocessor took 73.84ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:53,099 INFO L158 Benchmark]: RCFGBuilder took 1118.89ms. Allocated memory is still 153.1MB. Free memory was 91.4MB in the beginning and 93.1MB in the end (delta: -1.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-12 00:51:53,101 INFO L158 Benchmark]: TraceAbstraction took 2216.76ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.3MB in the beginning and 134.6MB in the end (delta: -42.2MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2023-11-12 00:51:53,102 INFO L158 Benchmark]: Witness Printer took 9.09ms. Allocated memory is still 184.5MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:51:53,113 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.40ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 95.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.20ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 93.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.84ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.89ms. Allocated memory is still 153.1MB. Free memory was 91.4MB in the beginning and 93.1MB in the end (delta: -1.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2216.76ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.3MB in the beginning and 134.6MB in the end (delta: -42.2MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 9.09ms. Allocated memory is still 184.5MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someUnaryDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed char var_1_23 = 0; [L41] unsigned long int var_1_24 = 8; [L42] unsigned long int var_1_25 = 25; [L43] unsigned char var_1_26 = 16; [L44] unsigned char var_1_27 = 5; [L45] unsigned char var_1_28 = 64; [L46] signed long int var_1_29 = 1; [L47] signed short int var_1_30 = -128; [L48] unsigned char var_1_31 = 0; [L49] unsigned char var_1_32 = 1; [L50] unsigned long int last_1_var_1_10 = 128; [L51] unsigned long int last_1_var_1_16 = 1; [L52] double last_1_var_1_19 = 3.8; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] CALL updateLastVariables() [L152] last_1_var_1_10 = var_1_10 [L153] last_1_var_1_16 = var_1_16 [L154] last_1_var_1_19 = var_1_19 [L164] RET updateLastVariables() [L165] CALL updateVariables() [L109] var_1_2 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L111] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L112] var_1_3 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L114] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L115] var_1_7 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L118] var_1_8 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L121] var_1_9 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L123] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L124] var_1_11 = __VERIFIER_nondet_ulong() [L125] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L126] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L127] var_1_17 = __VERIFIER_nondet_ulong() [L128] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L129] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L130] var_1_18 = __VERIFIER_nondet_ulong() [L131] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L133] var_1_20 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L135] var_1_23 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L138] var_1_25 = __VERIFIER_nondet_ulong() [L139] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L141] var_1_27 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L143] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L144] var_1_31 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L146] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L147] var_1_32 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L149] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=4294967294, var_1_26=16, var_1_27=254, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=1] [L165] RET updateVariables() [L166] CALL step() [L56] var_1_22 = var_1_23 [L57] var_1_24 = var_1_25 [L58] var_1_26 = var_1_27 [L59] var_1_28 = var_1_27 [L60] var_1_29 = var_1_26 [L61] COND TRUE \read(var_1_31) [L62] COND TRUE \read(var_1_32) [L63] var_1_30 = (((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) < 0 ) ? -((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) : ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))))) [L66] unsigned long int stepLocal_1 = last_1_var_1_16; [L67] unsigned long int stepLocal_0 = last_1_var_1_16; [L68] COND TRUE stepLocal_1 != last_1_var_1_10 [L69] COND TRUE var_1_8 <= stepLocal_0 [L70] COND TRUE (- last_1_var_1_19) >= last_1_var_1_19 [L71] var_1_12 = var_1_8 [L77] COND TRUE var_1_12 == var_1_12 [L78] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L80] var_1_1 = (var_1_2 || (! var_1_3)) [L81] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L82] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L83] COND TRUE \read(var_1_1) [L84] COND FALSE !(var_1_19 >= var_1_19) [L89] var_1_15 = var_1_7 [L94] COND TRUE var_1_19 != var_1_19 [L95] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) [L103] unsigned char stepLocal_2 = var_1_1; [L104] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) [L166] RET step() [L167] CALL, EXPR property() [L157-L158] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543163, var_1_11=2147483647, var_1_12=1, var_1_15=1, var_1_16=2, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=4294967294, var_1_25=4294967294, var_1_26=254, var_1_27=254, var_1_28=254, var_1_29=254, var_1_2=1, var_1_30=0, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=8, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543163, var_1_11=2147483647, var_1_12=1, var_1_15=1, var_1_16=2, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=4294967294, var_1_25=4294967294, var_1_26=254, var_1_27=254, var_1_28=254, var_1_29=254, var_1_2=1, var_1_30=0, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=8, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:51:53,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:55,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:56,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:51:56,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:56,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:56,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:56,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:56,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:56,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:56,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:56,158 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:56,159 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:56,159 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:56,160 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:56,160 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:56,161 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:56,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:56,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:56,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:51:56,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:51:56,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:56,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:56,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:56,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:56,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:51:56,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:51:56,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:51:56,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:51:56,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:56,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:56,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:56,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:51:56,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:56,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:56,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:56,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:56,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:56,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:51:56,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:51:56,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:56,174 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:56,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:56,175 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_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 [2023-11-12 00:51:56,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:56,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:56,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:56,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:56,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:56,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2023-11-12 00:52:00,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:00,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:00,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2023-11-12 00:52:00,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data/6450bea3d/f8dac4681f1d45a5be3a83e7d8e6933d/FLAG6918f0650 [2023-11-12 00:52:00,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/data/6450bea3d/f8dac4681f1d45a5be3a83e7d8e6933d [2023-11-12 00:52:00,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:00,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:00,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:00,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:01,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:01,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:00" (1/1) ... [2023-11-12 00:52:01,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796ca493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01, skipping insertion in model container [2023-11-12 00:52:01,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:00" (1/1) ... [2023-11-12 00:52:01,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:01,339 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_4e1a6f98-4431-4b1b-a026-e733aafc551b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2023-11-12 00:52:01,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:01,523 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:01,538 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_4e1a6f98-4431-4b1b-a026-e733aafc551b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2023-11-12 00:52:01,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:01,617 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:01,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01 WrapperNode [2023-11-12 00:52:01,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:01,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:01,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:01,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:01,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,708 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-12 00:52:01,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:01,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:01,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:01,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:01,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:01,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:01,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:01,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:01,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (1/1) ... [2023-11-12 00:52:01,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:01,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:01,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:52:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:02,135 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:02,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:02,696 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:02,705 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:02,705 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:52:02,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:02 BoogieIcfgContainer [2023-11-12 00:52:02,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:02,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:02,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:02,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:02,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:00" (1/3) ... [2023-11-12 00:52:02,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daddb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:02, skipping insertion in model container [2023-11-12 00:52:02,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:01" (2/3) ... [2023-11-12 00:52:02,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daddb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:02, skipping insertion in model container [2023-11-12 00:52:02,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:02" (3/3) ... [2023-11-12 00:52:02,723 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2023-11-12 00:52:02,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:02,751 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:02,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:02,824 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;@f5e6748, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:02,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:52:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 00:52:02,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:02,865 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:02,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:02,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1812432857, now seen corresponding path program 1 times [2023-11-12 00:52:02,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:02,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252653798] [2023-11-12 00:52:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:02,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:02,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:52:02,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:52:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:03,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:52:03,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-12 00:52:03,515 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:52:03,516 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:03,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252653798] [2023-11-12 00:52:03,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252653798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:03,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:03,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:52:03,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477689881] [2023-11-12 00:52:03,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:03,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:52:03,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:52:03,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:52:03,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:52:03,581 INFO L87 Difference]: Start difference. First operand has 75 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:52:03,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:03,626 INFO L93 Difference]: Finished difference Result 143 states and 253 transitions. [2023-11-12 00:52:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:52:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2023-11-12 00:52:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:03,641 INFO L225 Difference]: With dead ends: 143 [2023-11-12 00:52:03,642 INFO L226 Difference]: Without dead ends: 71 [2023-11-12 00:52:03,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:52:03,652 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:03,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:52:03,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-12 00:52:03,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-12 00:52:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:52:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2023-11-12 00:52:03,724 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 167 [2023-11-12 00:52:03,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:03,725 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2023-11-12 00:52:03,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:52:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-12 00:52:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 00:52:03,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:03,732 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:03,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:52:03,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:03,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:03,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1160037157, now seen corresponding path program 1 times [2023-11-12 00:52:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:03,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509894201] [2023-11-12 00:52:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:03,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:03,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:52:03,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:52:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:04,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:52:04,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 00:52:05,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:52:05,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509894201] [2023-11-12 00:52:05,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509894201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:05,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:05,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:52:05,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903576211] [2023-11-12 00:52:05,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:05,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:52:05,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:52:05,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:52:05,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:52:05,438 INFO L87 Difference]: Start difference. First operand 71 states and 108 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:52:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:05,964 INFO L93 Difference]: Finished difference Result 208 states and 319 transitions. [2023-11-12 00:52:05,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:52:05,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2023-11-12 00:52:05,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:05,972 INFO L225 Difference]: With dead ends: 208 [2023-11-12 00:52:05,972 INFO L226 Difference]: Without dead ends: 140 [2023-11-12 00:52:05,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:52:05,975 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 82 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:05,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 348 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:52:05,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-12 00:52:06,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 122. [2023-11-12 00:52:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 00:52:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 187 transitions. [2023-11-12 00:52:06,022 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 187 transitions. Word has length 167 [2023-11-12 00:52:06,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:06,023 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 187 transitions. [2023-11-12 00:52:06,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:52:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2023-11-12 00:52:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:52:06,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:06,028 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:06,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:52:06,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:06,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:06,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:06,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1227494629, now seen corresponding path program 1 times [2023-11-12 00:52:06,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:06,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171154685] [2023-11-12 00:52:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:06,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:52:06,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:52:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:06,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:52:06,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-12 00:52:06,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:52:07,115 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:07,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171154685] [2023-11-12 00:52:07,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171154685] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:07,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1688442338] [2023-11-12 00:52:07,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:07,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:52:07,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:52:07,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:52:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:07,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:52:07,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 00:52:07,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:52:07,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1688442338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:07,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:52:07,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-11-12 00:52:07,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156498727] [2023-11-12 00:52:07,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:07,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:52:07,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:52:07,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:52:07,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:52:07,606 INFO L87 Difference]: Start difference. First operand 122 states and 187 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:52:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:07,735 INFO L93 Difference]: Finished difference Result 255 states and 391 transitions. [2023-11-12 00:52:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:52:07,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2023-11-12 00:52:07,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:07,741 INFO L225 Difference]: With dead ends: 255 [2023-11-12 00:52:07,741 INFO L226 Difference]: Without dead ends: 187 [2023-11-12 00:52:07,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:52:07,744 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 97 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:07,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 479 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:52:07,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-12 00:52:07,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 126. [2023-11-12 00:52:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 00:52:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 193 transitions. [2023-11-12 00:52:07,781 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 193 transitions. Word has length 168 [2023-11-12 00:52:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:07,782 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 193 transitions. [2023-11-12 00:52:07,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:52:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 193 transitions. [2023-11-12 00:52:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:52:07,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:07,786 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:07,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:52:08,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:52:08,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:08,190 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:08,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1225647587, now seen corresponding path program 1 times [2023-11-12 00:52:08,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:08,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468153603] [2023-11-12 00:52:08,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:08,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:08,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:08,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:52:08,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:52:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:08,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:52:08,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-12 00:52:08,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:52:09,056 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:09,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468153603] [2023-11-12 00:52:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468153603] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:09,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [720399654] [2023-11-12 00:52:09,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:09,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:09,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:52:09,060 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:52:09,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:52:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:09,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:52:09,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 00:52:10,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:52:10,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [720399654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:10,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:52:10,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2023-11-12 00:52:10,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746678967] [2023-11-12 00:52:10,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:10,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:52:10,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:52:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:52:10,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:52:10,348 INFO L87 Difference]: Start difference. First operand 126 states and 193 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:52:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:10,732 INFO L93 Difference]: Finished difference Result 202 states and 310 transitions. [2023-11-12 00:52:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:52:10,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2023-11-12 00:52:10,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:10,736 INFO L225 Difference]: With dead ends: 202 [2023-11-12 00:52:10,736 INFO L226 Difference]: Without dead ends: 130 [2023-11-12 00:52:10,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:52:10,738 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:10,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 266 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:52:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-12 00:52:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2023-11-12 00:52:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 69 states have internal predecessors, (82), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 00:52:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 190 transitions. [2023-11-12 00:52:10,769 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 190 transitions. Word has length 168 [2023-11-12 00:52:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:10,770 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 190 transitions. [2023-11-12 00:52:10,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:52:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-12 00:52:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:52:10,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:10,774 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:10,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:52:10,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-12 00:52:11,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:11,180 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:11,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:11,181 INFO L85 PathProgramCache]: Analyzing trace with hash 450181228, now seen corresponding path program 1 times [2023-11-12 00:52:11,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:11,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009424278] [2023-11-12 00:52:11,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:11,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:11,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:11,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:52:11,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-12 00:52:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:11,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:52:11,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-12 00:52:11,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:52:11,894 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:11,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009424278] [2023-11-12 00:52:11,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009424278] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:11,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1594893986] [2023-11-12 00:52:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:11,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:52:11,896 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:52:11,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1a6f98-4431-4b1b-a026-e733aafc551b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-12 00:52:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:12,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-12 00:52:12,649 INFO L285 TraceCheckSpWp]: Computing forward predicates...