./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:03,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:04,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:56:04,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:04,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:04,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:04,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:04,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:04,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:04,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:04,043 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:04,043 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:04,044 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:04,045 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:56:04,045 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:04,046 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:04,046 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:56:04,047 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:56:04,048 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:04,048 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:56:04,049 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:56:04,060 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:56:04,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:04,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:04,062 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:56:04,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:56:04,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:56:04,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:04,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:04,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:04,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:04,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:56:04,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:04,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:04,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:04,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:04,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:04,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:04,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:04,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:04,080 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:56:04,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:56:04,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:04,081 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:04,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:04,081 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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d [2023-11-12 00:56:04,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:04,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:04,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:04,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:04,383 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:04,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-11-12 00:56:07,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:07,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:07,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-11-12 00:56:07,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data/9d6569df0/4c0b4d9ec4474b1791c0f642e0983094/FLAG1774a908e [2023-11-12 00:56:07,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data/9d6569df0/4c0b4d9ec4474b1791c0f642e0983094 [2023-11-12 00:56:07,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:07,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:07,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:07,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:07,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:07,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:07" (1/1) ... [2023-11-12 00:56:08,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29733107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:07, skipping insertion in model container [2023-11-12 00:56:08,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:07" (1/1) ... [2023-11-12 00:56:08,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:56:08,224 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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-11-12 00:56:08,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:08,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:56:08,326 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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-11-12 00:56:08,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:08,418 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:56:08,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08 WrapperNode [2023-11-12 00:56:08,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:08,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:08,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:56:08,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:56:08,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,508 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-12 00:56:08,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:08,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:56:08,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:56:08,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:56:08,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:56:08,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:56:08,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:56:08,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:56:08,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (1/1) ... [2023-11-12 00:56:08,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:08,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:08,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:56:08,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:56:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:56:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:56:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:56:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:56:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:56:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:56:08,814 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:56:08,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:56:09,441 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:56:09,818 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:56:09,818 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:56:09,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:09 BoogieIcfgContainer [2023-11-12 00:56:09,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:56:09,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:56:09,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:56:09,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:56:09,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:56:07" (1/3) ... [2023-11-12 00:56:09,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e27dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:09, skipping insertion in model container [2023-11-12 00:56:09,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:08" (2/3) ... [2023-11-12 00:56:09,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e27dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:09, skipping insertion in model container [2023-11-12 00:56:09,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:09" (3/3) ... [2023-11-12 00:56:09,834 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-11-12 00:56:09,856 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:56:09,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:56:09,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:56:09,936 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;@199d0657, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:56:09,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:56:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-12 00:56:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-12 00:56:09,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:09,965 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:09,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:09,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:09,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2057815558, now seen corresponding path program 1 times [2023-11-12 00:56:09,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:09,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235590533] [2023-11-12 00:56:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:09,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:10,256 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:56:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106530876] [2023-11-12 00:56:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:56:10,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:10,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:56:10,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:56:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:56:10,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:56:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:56:10,896 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:56:10,899 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:56:10,901 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:56:10,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:11,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:56:11,116 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:56:11,120 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:56:11,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:56:11 BoogieIcfgContainer [2023-11-12 00:56:11,274 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:56:11,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:56:11,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:56:11,275 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:56:11,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:09" (3/4) ... [2023-11-12 00:56:11,278 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:56:11,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:56:11,281 INFO L158 Benchmark]: Toolchain (without parser) took 3293.80ms. Allocated memory is still 140.5MB. Free memory was 99.8MB in the beginning and 63.7MB in the end (delta: 36.0MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-12 00:56:11,282 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:11,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.50ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 84.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:56:11,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.21ms. Allocated memory is still 140.5MB. Free memory was 84.1MB in the beginning and 79.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:56:11,284 INFO L158 Benchmark]: Boogie Preprocessor took 48.69ms. Allocated memory is still 140.5MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:56:11,285 INFO L158 Benchmark]: RCFGBuilder took 1262.23ms. Allocated memory is still 140.5MB. Free memory was 77.8MB in the beginning and 65.8MB in the end (delta: 12.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-12 00:56:11,286 INFO L158 Benchmark]: TraceAbstraction took 1449.40ms. Allocated memory is still 140.5MB. Free memory was 65.1MB in the beginning and 64.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:11,286 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 140.5MB. Free memory was 64.1MB in the beginning and 63.7MB in the end (delta: 364.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:11,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.50ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 84.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.21ms. Allocated memory is still 140.5MB. Free memory was 84.1MB in the beginning and 79.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.69ms. Allocated memory is still 140.5MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1262.23ms. Allocated memory is still 140.5MB. Free memory was 77.8MB in the beginning and 65.8MB in the end (delta: 12.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1449.40ms. Allocated memory is still 140.5MB. Free memory was 65.1MB in the beginning and 64.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 140.5MB. Free memory was 64.1MB in the beginning and 63.7MB in the end (delta: 364.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of shiftRight at line 65, overapproximation of someUnaryDOUBLEoperation at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 1; [L39] signed short int var_1_24 = -32; [L40] unsigned char var_1_25 = 1; [L41] float var_1_26 = 500.65; [L42] signed long int var_1_27 = -8; [L43] unsigned long int var_1_28 = 10; [L44] signed short int var_1_29 = -256; [L45] signed char var_1_30 = 1; [L46] float var_1_31 = 7.8; [L47] float var_1_32 = 63.25; [L48] float var_1_33 = 0.4; [L49] float var_1_34 = 64.875; [L50] float var_1_35 = 1.3; [L51] unsigned short int var_1_36 = 100; [L52] signed short int last_1_var_1_1 = 16; [L53] unsigned char last_1_var_1_6 = 10; [L54] unsigned char last_1_var_1_8 = 1; [L55] signed short int last_1_var_1_13 = 200; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L180] last_1_var_1_1 = var_1_1 [L181] last_1_var_1_6 = var_1_6 [L182] last_1_var_1_8 = var_1_8 [L183] last_1_var_1_13 = var_1_13 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L129] var_1_5 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=128, var_1_8=1] [L131] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=128, var_1_8=1] [L132] var_1_7 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L134] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L135] var_1_11 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L137] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L138] var_1_12 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L140] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L141] var_1_15 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L143] var_1_16 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L145] var_1_20 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L147] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L148] var_1_22 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L150] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L151] var_1_23 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L153] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L154] var_1_24 = __VERIFIER_nondet_short() [L155] CALL assume_abort_if_not(var_1_24 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_24 >= -32768) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L156] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L157] var_1_25 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L160] var_1_27 = __VERIFIER_nondet_long() [L161] CALL assume_abort_if_not(var_1_27 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_27 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L163] CALL assume_abort_if_not(var_1_27 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_27 != 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L164] var_1_29 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_29 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_29 >= -32768) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L166] CALL assume_abort_if_not(var_1_29 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_29 <= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L167] var_1_30 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L169] CALL assume_abort_if_not(var_1_30 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_30 <= 16) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L170] var_1_32 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L172] var_1_33 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_33 >= -461168.6018427382800e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 4611686.018427382800e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_33 >= -461168.6018427382800e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 4611686.018427382800e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L174] var_1_34 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=5, var_1_34=6, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=5, var_1_34=6, var_1_35=13/10, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L176] var_1_35 = __VERIFIER_nondet_float() [L177] CALL assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=5, var_1_34=6, var_1_35=7, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=10, var_1_29=4, var_1_30=2, var_1_31=39/5, var_1_32=4, var_1_33=5, var_1_34=6, var_1_35=7, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=1] [L194] RET updateVariables() [L195] CALL step() [L59] COND TRUE var_1_22 || var_1_23 [L60] var_1_21 = ((var_1_24 > -4) || var_1_25) [L62] COND FALSE !(((var_1_24 + 25) % var_1_27) < 2) [L65] EXPR var_1_29 >> var_1_30 [L65] EXPR ((var_1_27) > ((var_1_29 >> var_1_30))) ? (var_1_27) : ((var_1_29 >> var_1_30)) [L65] EXPR var_1_29 >> var_1_30 [L65] EXPR ((var_1_27) > ((var_1_29 >> var_1_30))) ? (var_1_27) : ((var_1_29 >> var_1_30)) [L65] COND TRUE var_1_24 > ((((var_1_27) > ((var_1_29 >> var_1_30))) ? (var_1_27) : ((var_1_29 >> var_1_30)))) [L66] var_1_28 = var_1_30 [L68] COND TRUE var_1_27 > var_1_28 [L69] var_1_31 = (((((var_1_32 + ((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))))) > (var_1_35)) ? ((var_1_32 + ((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))))) : (var_1_35))) [L73] COND FALSE !(((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) < var_1_30) [L76] signed long int stepLocal_6 = last_1_var_1_1; [L77] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; [L78] COND TRUE stepLocal_5 || last_1_var_1_8 [L79] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L82] var_1_14 = var_1_16 [L87] COND FALSE !(var_1_14 <= var_1_15) [L90] COND FALSE !(var_1_5 >= -2) [L93] unsigned char stepLocal_4 = var_1_6; [L94] signed long int stepLocal_3 = var_1_6 / var_1_7; [L95] COND TRUE last_1_var_1_13 >= stepLocal_3 [L96] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L97] var_1_13 = var_1_7 [L104] unsigned char stepLocal_7 = var_1_6; [L105] COND FALSE !(stepLocal_7 > var_1_6) [L108] unsigned char stepLocal_0 = var_1_6; [L109] COND TRUE \read(var_1_19) [L110] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) [L116] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L117] unsigned char stepLocal_1 = var_1_7; [L118] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L125] var_1_8 = var_1_12 [L195] RET step() [L196] CALL, EXPR property() [L186-L187] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=2, var_1_29=4, var_1_30=2, var_1_31=8, var_1_32=4, var_1_33=5, var_1_34=6, var_1_35=7, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=1, var_1_24=4, var_1_25=1, var_1_26=10013/20, var_1_27=3, var_1_28=2, var_1_29=4, var_1_30=2, var_1_31=8, var_1_32=4, var_1_33=5, var_1_34=6, var_1_35=7, var_1_36=100, var_1_5=-3, var_1_6=10, var_1_7=201, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 31, 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=58occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 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 00:56:11,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:14,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:14,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:56:14,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:14,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:14,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:14,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:14,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:14,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:14,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:14,332 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:14,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:14,333 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:14,335 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:14,336 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:14,336 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:14,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:14,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:14,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:56:14,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:56:14,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:14,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:14,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:14,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:14,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:56:14,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:56:14,341 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:56:14,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:56:14,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:14,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:14,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:14,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:56:14,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:14,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:14,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:14,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:14,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:14,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:56:14,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:14,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:14,347 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:14,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:14,348 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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d [2023-11-12 00:56:14,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:14,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:14,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:14,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:14,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:14,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-11-12 00:56:17,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:18,249 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:18,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-11-12 00:56:18,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data/8d013481d/33a6b53c098a4c99a91033ac6c47ad7f/FLAG6d1ec511a [2023-11-12 00:56:18,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/data/8d013481d/33a6b53c098a4c99a91033ac6c47ad7f [2023-11-12 00:56:18,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:18,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:18,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:18,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:18,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:18,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41238f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18, skipping insertion in model container [2023-11-12 00:56:18,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:56:18,512 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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-11-12 00:56:18,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:18,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:56:18,640 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_c8a0d501-06f1-4d88-8f79-190c40eb3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-11-12 00:56:18,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:18,703 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:56:18,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18 WrapperNode [2023-11-12 00:56:18,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:18,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:18,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:56:18,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:56:18,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,769 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-12 00:56:18,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:18,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:56:18,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:56:18,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:56:18,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:56:18,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:56:18,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:56:18,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:56:18,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (1/1) ... [2023-11-12 00:56:18,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:18,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:56:18,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:56:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:56:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:56:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:56:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:56:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:56:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:56:19,089 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:56:19,091 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:56:19,987 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:56:19,995 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:56:19,995 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:56:19,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:19 BoogieIcfgContainer [2023-11-12 00:56:19,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:56:20,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:56:20,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:56:20,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:56:20,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:56:18" (1/3) ... [2023-11-12 00:56:20,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d27db83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:20, skipping insertion in model container [2023-11-12 00:56:20,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:18" (2/3) ... [2023-11-12 00:56:20,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d27db83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:20, skipping insertion in model container [2023-11-12 00:56:20,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:19" (3/3) ... [2023-11-12 00:56:20,007 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-11-12 00:56:20,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:56:20,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:56:20,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:56:20,093 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;@2c7de0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:56:20,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:56:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 56 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-12 00:56:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-12 00:56:20,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:20,117 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:20,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:20,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:20,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1516655500, now seen corresponding path program 1 times [2023-11-12 00:56:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:20,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986326531] [2023-11-12 00:56:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:20,146 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 00:56:20,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:20,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:20,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:20,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:56:20,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 587 proven. 24 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2023-11-12 00:56:21,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:56:21,588 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:21,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986326531] [2023-11-12 00:56:21,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986326531] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:21,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:56:21,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-12 00:56:21,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942548006] [2023-11-12 00:56:21,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:21,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:21,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:21,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:21,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:56:21,672 INFO L87 Difference]: Start difference. First operand has 89 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 56 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:22,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:22,009 INFO L93 Difference]: Finished difference Result 239 states and 435 transitions. [2023-11-12 00:56:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:22,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-12 00:56:22,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:22,025 INFO L225 Difference]: With dead ends: 239 [2023-11-12 00:56:22,025 INFO L226 Difference]: Without dead ends: 153 [2023-11-12 00:56:22,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:56:22,034 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 104 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:22,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 247 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:56:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-12 00:56:22,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2023-11-12 00:56:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 91 states have (on average 1.3296703296703296) internal successors, (121), 92 states have internal predecessors, (121), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-12 00:56:22,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 233 transitions. [2023-11-12 00:56:22,105 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 233 transitions. Word has length 199 [2023-11-12 00:56:22,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:22,106 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 233 transitions. [2023-11-12 00:56:22,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 233 transitions. [2023-11-12 00:56:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-12 00:56:22,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:22,112 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:22,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:22,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:22,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:22,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash -71692402, now seen corresponding path program 1 times [2023-11-12 00:56:22,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:22,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992063367] [2023-11-12 00:56:22,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:22,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:56:22,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:22,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:22,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:22,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:56:22,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:56:23,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:23,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:23,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992063367] [2023-11-12 00:56:23,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992063367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:23,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:23,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:23,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935699477] [2023-11-12 00:56:23,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:23,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:56:23,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:23,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:56:23,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:56:23,408 INFO L87 Difference]: Start difference. First operand 150 states and 233 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:24,092 INFO L93 Difference]: Finished difference Result 407 states and 631 transitions. [2023-11-12 00:56:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:56:24,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-12 00:56:24,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:24,107 INFO L225 Difference]: With dead ends: 407 [2023-11-12 00:56:24,107 INFO L226 Difference]: Without dead ends: 260 [2023-11-12 00:56:24,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:56:24,111 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 94 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:24,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 375 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 00:56:24,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-12 00:56:24,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 220. [2023-11-12 00:56:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 128 states have (on average 1.28125) internal successors, (164), 129 states have internal predecessors, (164), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-12 00:56:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 338 transitions. [2023-11-12 00:56:24,176 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 338 transitions. Word has length 199 [2023-11-12 00:56:24,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:24,177 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 338 transitions. [2023-11-12 00:56:24,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 338 transitions. [2023-11-12 00:56:24,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:56:24,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:24,190 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:24,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:24,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:24,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:24,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2115011752, now seen corresponding path program 1 times [2023-11-12 00:56:24,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:24,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296305005] [2023-11-12 00:56:24,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:24,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:56:24,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:24,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:24,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:24,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:56:24,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:56:26,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:26,225 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:26,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296305005] [2023-11-12 00:56:26,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296305005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:26,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:26,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:56:26,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572935790] [2023-11-12 00:56:26,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:26,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:56:26,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:26,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:56:26,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:56:26,246 INFO L87 Difference]: Start difference. First operand 220 states and 338 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:27,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:27,306 INFO L93 Difference]: Finished difference Result 548 states and 847 transitions. [2023-11-12 00:56:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:56:27,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-12 00:56:27,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:27,322 INFO L225 Difference]: With dead ends: 548 [2023-11-12 00:56:27,322 INFO L226 Difference]: Without dead ends: 401 [2023-11-12 00:56:27,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 196 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 00:56:27,325 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 125 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:27,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 447 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 00:56:27,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-11-12 00:56:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 365. [2023-11-12 00:56:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 215 states have (on average 1.2976744186046512) internal successors, (279), 217 states have internal predecessors, (279), 143 states have call successors, (143), 6 states have call predecessors, (143), 6 states have return successors, (143), 141 states have call predecessors, (143), 143 states have call successors, (143) [2023-11-12 00:56:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 565 transitions. [2023-11-12 00:56:27,484 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 565 transitions. Word has length 200 [2023-11-12 00:56:27,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:27,486 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 565 transitions. [2023-11-12 00:56:27,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 565 transitions. [2023-11-12 00:56:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:56:27,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:27,492 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:27,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:27,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:27,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:27,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:27,711 INFO L85 PathProgramCache]: Analyzing trace with hash 835148074, now seen corresponding path program 1 times [2023-11-12 00:56:27,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:27,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279223282] [2023-11-12 00:56:27,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:27,713 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 00:56:27,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:27,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:27,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:56:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:28,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:56:28,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:56:28,307 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:28,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:28,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279223282] [2023-11-12 00:56:28,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279223282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:28,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:28,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:28,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950725304] [2023-11-12 00:56:28,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:28,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:28,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:28,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:28,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:28,311 INFO L87 Difference]: Start difference. First operand 365 states and 565 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:28,780 INFO L93 Difference]: Finished difference Result 657 states and 1022 transitions. [2023-11-12 00:56:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:28,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-12 00:56:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:28,794 INFO L225 Difference]: With dead ends: 657 [2023-11-12 00:56:28,794 INFO L226 Difference]: Without dead ends: 365 [2023-11-12 00:56:28,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:28,797 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 11 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:28,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 235 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:56:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-11-12 00:56:28,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2023-11-12 00:56:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 215 states have (on average 1.2790697674418605) internal successors, (275), 217 states have internal predecessors, (275), 143 states have call successors, (143), 6 states have call predecessors, (143), 6 states have return successors, (143), 141 states have call predecessors, (143), 143 states have call successors, (143) [2023-11-12 00:56:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 561 transitions. [2023-11-12 00:56:28,881 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 561 transitions. Word has length 200 [2023-11-12 00:56:28,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:28,882 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 561 transitions. [2023-11-12 00:56:28,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 561 transitions. [2023-11-12 00:56:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:56:28,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:28,886 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:28,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:29,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:29,109 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:29,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1515206444, now seen corresponding path program 1 times [2023-11-12 00:56:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166357932] [2023-11-12 00:56:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:29,111 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 00:56:29,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:29,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:29,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:29,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:56:29,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-11-12 00:56:31,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:32,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:32,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166357932] [2023-11-12 00:56:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166357932] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:32,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1063341951] [2023-11-12 00:56:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:32,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:32,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:56:32,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:56:32,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:56:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:33,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:56:33,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:56:34,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:34,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1063341951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:34,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:56:34,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-12 00:56:34,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986021311] [2023-11-12 00:56:34,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:34,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:56:34,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:34,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:56:34,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:56:34,981 INFO L87 Difference]: Start difference. First operand 365 states and 561 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:40,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:40,256 INFO L93 Difference]: Finished difference Result 936 states and 1417 transitions. [2023-11-12 00:56:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:56:40,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-12 00:56:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:40,274 INFO L225 Difference]: With dead ends: 936 [2023-11-12 00:56:40,274 INFO L226 Difference]: Without dead ends: 789 [2023-11-12 00:56:40,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:56:40,276 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 190 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:40,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 537 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-12 00:56:40,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-11-12 00:56:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 701. [2023-11-12 00:56:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 429 states have (on average 1.2937062937062938) internal successors, (555), 435 states have internal predecessors, (555), 259 states have call successors, (259), 12 states have call predecessors, (259), 12 states have return successors, (259), 253 states have call predecessors, (259), 259 states have call successors, (259) [2023-11-12 00:56:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1073 transitions. [2023-11-12 00:56:40,404 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1073 transitions. Word has length 200 [2023-11-12 00:56:40,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:40,405 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 1073 transitions. [2023-11-12 00:56:40,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1073 transitions. [2023-11-12 00:56:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:56:40,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:40,409 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:40,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:40,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:40,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:40,818 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:40,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash 928400430, now seen corresponding path program 1 times [2023-11-12 00:56:40,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:40,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365819408] [2023-11-12 00:56:40,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:40,820 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 00:56:40,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:40,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:40,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:41,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:56:41,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-11-12 00:56:43,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:47,957 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365819408] [2023-11-12 00:56:47,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365819408] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [938900510] [2023-11-12 00:56:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:47,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:56:47,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:56:47,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-12 00:56:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:49,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:56:49,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:56:50,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:50,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [938900510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:50,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:56:50,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2023-11-12 00:56:50,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048344958] [2023-11-12 00:56:50,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:50,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:56:50,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:50,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:56:50,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:56:50,853 INFO L87 Difference]: Start difference. First operand 701 states and 1073 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:55,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:55,035 INFO L93 Difference]: Finished difference Result 1194 states and 1827 transitions. [2023-11-12 00:56:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:56:55,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-12 00:56:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:55,044 INFO L225 Difference]: With dead ends: 1194 [2023-11-12 00:56:55,044 INFO L226 Difference]: Without dead ends: 902 [2023-11-12 00:56:55,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:56:55,047 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 138 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:55,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 448 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-12 00:56:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2023-11-12 00:56:55,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 846. [2023-11-12 00:56:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 516 states have (on average 1.2906976744186047) internal successors, (666), 523 states have internal predecessors, (666), 315 states have call successors, (315), 14 states have call predecessors, (315), 14 states have return successors, (315), 308 states have call predecessors, (315), 315 states have call successors, (315) [2023-11-12 00:56:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1296 transitions. [2023-11-12 00:56:55,203 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1296 transitions. Word has length 200 [2023-11-12 00:56:55,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:55,204 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1296 transitions. [2023-11-12 00:56:55,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:56:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1296 transitions. [2023-11-12 00:56:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-12 00:56:55,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:55,207 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:55,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:55,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:55,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:55,625 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:55,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:55,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1256463189, now seen corresponding path program 1 times [2023-11-12 00:56:55,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:55,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003403445] [2023-11-12 00:56:55,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:55,626 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 00:56:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:55,627 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 00:56:55,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/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 (10)] Waiting until timeout for monitored process [2023-11-12 00:56:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:56,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:56:56,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-11-12 00:56:57,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:58,225 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:58,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003403445] [2023-11-12 00:56:58,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003403445] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:58,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1997192090] [2023-11-12 00:56:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:58,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:58,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:56:58,227 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:56:58,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-12 00:56:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:59,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:56:59,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-11-12 00:57:00,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:57:01,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1997192090] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:57:01,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74478918] [2023-11-12 00:57:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:01,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:57:01,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:01,480 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:57:01,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a0d501-06f1-4d88-8f79-190c40eb3aca/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 00:57:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:01,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:57:01,795 INFO L285 TraceCheckSpWp]: Computing forward predicates...