./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:34,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:34,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:55:34,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:34,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:34,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:34,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:34,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:34,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:34,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:34,917 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:34,918 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:34,918 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:34,919 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:34,920 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:34,920 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:34,920 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:34,921 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:34,922 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:34,922 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:34,923 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:34,927 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:34,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:34,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:34,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:34,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:34,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:34,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:34,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:34,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:34,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:34,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:34,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:34,936 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:34,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:34,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:34,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:34,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:34,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:34,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:34,937 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:34,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:34,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:34,939 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:34,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:34,940 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_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d [2023-11-19 04:55:35,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:35,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:35,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:35,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:35,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:35,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-19 04:55:38,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:38,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:38,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-19 04:55:38,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data/1fc5fd88d/982132722edb449cb65f7a2f33353b57/FLAG1c25f3ca5 [2023-11-19 04:55:38,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data/1fc5fd88d/982132722edb449cb65f7a2f33353b57 [2023-11-19 04:55:38,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:38,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:38,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:38,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:38,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:38,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:38" (1/1) ... [2023-11-19 04:55:38,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39272a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:38, skipping insertion in model container [2023-11-19 04:55:38,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:38" (1/1) ... [2023-11-19 04:55:38,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:39,083 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_0762a940-ab7e-4c59-b09e-80efd491c5be/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-19 04:55:39,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:39,185 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:39,216 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_0762a940-ab7e-4c59-b09e-80efd491c5be/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-19 04:55:39,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:39,331 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:39,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39 WrapperNode [2023-11-19 04:55:39,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:39,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:39,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:39,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:39,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,464 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-19 04:55:39,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:39,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:39,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:39,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:39,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:39,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:39,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:39,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:39,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (1/1) ... [2023-11-19 04:55:39,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:39,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:39,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:39,694 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:39,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:40,313 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:40,814 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:40,815 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:40,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:40 BoogieIcfgContainer [2023-11-19 04:55:40,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:40,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:40,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:40,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:40,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:38" (1/3) ... [2023-11-19 04:55:40,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81c331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:40, skipping insertion in model container [2023-11-19 04:55:40,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:39" (2/3) ... [2023-11-19 04:55:40,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81c331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:40, skipping insertion in model container [2023-11-19 04:55:40,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:40" (3/3) ... [2023-11-19 04:55:40,831 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-19 04:55:40,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:40,864 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:40,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:40,940 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;@3129110c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:40,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:55:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:55:40,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:40,959 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:40,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:40,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1996604177, now seen corresponding path program 1 times [2023-11-19 04:55:40,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:40,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161827157] [2023-11-19 04:55:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:40,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:41,151 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:55:41,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137073625] [2023-11-19 04:55:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:41,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:41,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:55:41,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:55:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:41,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:55:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:41,739 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:55:41,742 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:55:41,744 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:55:41,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:41,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:55:41,960 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:55:41,967 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:55:42,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:55:42 BoogieIcfgContainer [2023-11-19 04:55:42,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:55:42,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:55:42,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:55:42,138 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:55:42,139 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:40" (3/4) ... [2023-11-19 04:55:42,146 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:55:42,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:55:42,149 INFO L158 Benchmark]: Toolchain (without parser) took 3315.66ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 75.2MB in the beginning and 87.9MB in the end (delta: -12.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,150 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:42,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.88ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 60.5MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.10ms. Allocated memory is still 119.5MB. Free memory was 60.5MB in the beginning and 91.9MB in the end (delta: -31.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,158 INFO L158 Benchmark]: Boogie Preprocessor took 37.49ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 90.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:42,159 INFO L158 Benchmark]: RCFGBuilder took 1316.94ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 89.8MB in the beginning and 92.6MB in the end (delta: -2.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,159 INFO L158 Benchmark]: TraceAbstraction took 1313.02ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 88.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,160 INFO L158 Benchmark]: Witness Printer took 10.27ms. Allocated memory is still 155.2MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:42,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.88ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 60.5MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.10ms. Allocated memory is still 119.5MB. Free memory was 60.5MB in the beginning and 91.9MB in the end (delta: -31.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.49ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 90.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1316.94ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 89.8MB in the beginning and 92.6MB in the end (delta: -2.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1313.02ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 88.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Witness Printer took 10.27ms. Allocated memory is still 155.2MB. Free memory is still 88.0MB. 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 63, overapproximation of bitwiseOr at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; [L44] double var_1_29 = 15.86; [L45] signed short int var_1_31 = 10; [L46] float var_1_39 = 4.7; [L47] unsigned short int var_1_40 = 100; [L48] signed short int var_1_41 = 4; [L49] float var_1_45 = 31.6; [L50] unsigned short int var_1_47 = 64; [L51] double var_1_48 = 16.75; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] FCALL updateLastVariables() [L193] CALL updateVariables() [L138] var_1_6 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L141] var_1_7 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L144] var_1_9 = __VERIFIER_nondet_short() [L145] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L146] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L147] var_1_10 = __VERIFIER_nondet_short() [L148] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L149] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L150] var_1_12 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L152] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L153] var_1_13 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L155] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L156] var_1_14 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L158] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L159] var_1_15 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L161] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L162] var_1_16 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L164] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L165] var_1_17 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L167] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L168] var_1_19 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L170] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L171] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L172] var_1_22 = __VERIFIER_nondet_short() [L173] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L174] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L175] var_1_24 = __VERIFIER_nondet_float() [L176] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L177] var_1_25 = __VERIFIER_nondet_float() [L178] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L179] var_1_26 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=3, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=3, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L193] RET updateVariables() [L194] CALL step() [L55] var_1_8 = (var_1_9 - (2 + var_1_10)) [L56] COND TRUE var_1_22 != var_1_12 [L57] COND TRUE var_1_10 <= var_1_17 [L58] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) [L63] COND TRUE var_1_25 < var_1_25 [L64] COND TRUE var_1_15 > var_1_17 [L65] var_1_39 = var_1_25 [L70] var_1_47 = var_1_17 [L71] COND FALSE !(! ((var_1_9 - var_1_22) > var_1_12)) [L74] COND TRUE var_1_23 == var_1_23 [L75] COND TRUE var_1_15 >= (var_1_27 / var_1_19) [L76] var_1_18 = var_1_7 [L79] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L80] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) [L84] var_1_40 = var_1_15 [L85] COND TRUE \read(var_1_7) [L86] COND TRUE \read(var_1_7) [L87] COND FALSE !(10000000 <= var_1_16) [L102] COND TRUE var_1_7 || var_1_6 [L103] var_1_45 = (10.125f + var_1_24) [L105] COND TRUE \read(var_1_18) [L106] var_1_1 = (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6) [L110] COND FALSE !(var_1_1 && var_1_7) [L113] COND TRUE ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) > var_1_17 [L114] COND FALSE !((! var_1_7) && (var_1_26 > var_1_23)) [L117] var_1_31 = var_1_15 [L121] COND FALSE !(\read(var_1_1)) [L124] COND FALSE !(var_1_27 >= var_1_14) [L127] COND TRUE \read(var_1_7) [L128] var_1_11 = var_1_16 [L134] var_1_29 = var_1_24 [L135] var_1_48 = var_1_25 [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=63, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=-128, var_1_1=0, var_1_20=32700, var_1_22=32766, var_1_23=0, var_1_24=2, var_1_25=78/5, var_1_26=3, var_1_27=256, var_1_29=2, var_1_31=2, var_1_39=78/5, var_1_40=2, var_1_41=4, var_1_45=0, var_1_47=1, var_1_48=78/5, var_1_6=0, var_1_7=1, var_1_8=32701, var_1_9=32704] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=63, var_1_12=-63, var_1_13=1, var_1_14=-63, var_1_15=2, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=-128, var_1_1=0, var_1_20=32700, var_1_22=32766, var_1_23=0, var_1_24=2, var_1_25=78/5, var_1_26=3, var_1_27=256, var_1_29=2, var_1_31=2, var_1_39=78/5, var_1_40=2, var_1_41=4, var_1_45=0, var_1_47=1, var_1_48=78/5, var_1_6=0, var_1_7=1, var_1_8=32701, var_1_9=32704] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:55:42,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:45,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:45,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:55:45,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:45,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:45,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:45,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:45,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:45,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:45,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:45,205 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:45,206 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:45,206 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:45,208 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:45,208 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:45,209 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:45,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:45,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:45,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:45,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:45,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:45,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:45,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:45,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:45,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:55:45,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:55:45,215 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:55:45,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:45,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:45,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:45,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:45,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:55:45,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:45,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:45,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:45,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:45,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:45,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:55:45,220 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:45,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:45,221 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:45,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:45,221 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_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d [2023-11-19 04:55:45,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:45,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:45,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:45,708 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:45,708 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:45,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-19 04:55:48,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:49,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:49,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-19 04:55:49,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data/13b1c7b97/71386857455c4f10b2e4f8ba5a4646fc/FLAGbc666253d [2023-11-19 04:55:49,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/data/13b1c7b97/71386857455c4f10b2e4f8ba5a4646fc [2023-11-19 04:55:49,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:49,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:49,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:49,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:49,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:49,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641e2502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49, skipping insertion in model container [2023-11-19 04:55:49,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:49,310 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_0762a940-ab7e-4c59-b09e-80efd491c5be/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-19 04:55:49,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:49,436 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:49,460 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_0762a940-ab7e-4c59-b09e-80efd491c5be/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-19 04:55:49,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:49,567 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:49,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49 WrapperNode [2023-11-19 04:55:49,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:49,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:49,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:49,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:49,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,644 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-19 04:55:49,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:49,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:49,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:49,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:49,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:49,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:49,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:49,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:49,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (1/1) ... [2023-11-19 04:55:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:49,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:49,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:55:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:49,965 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:49,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:53,914 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:53,930 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:53,930 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:53,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:53 BoogieIcfgContainer [2023-11-19 04:55:53,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:53,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:53,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:53,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:53,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:49" (1/3) ... [2023-11-19 04:55:53,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b536539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:53, skipping insertion in model container [2023-11-19 04:55:53,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:49" (2/3) ... [2023-11-19 04:55:53,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b536539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:53, skipping insertion in model container [2023-11-19 04:55:53,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:53" (3/3) ... [2023-11-19 04:55:53,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-19 04:55:53,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:53,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:54,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:54,024 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;@5ef9a22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:54,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 56 states have internal predecessors, (81), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:55:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:55:54,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:54,053 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:54,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:54,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:54,062 INFO L85 PathProgramCache]: Analyzing trace with hash -833640326, now seen corresponding path program 1 times [2023-11-19 04:55:54,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088426334] [2023-11-19 04:55:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:54,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:54,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:54,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:55:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:54,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:55:54,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 04:55:54,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:55:54,961 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:54,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088426334] [2023-11-19 04:55:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088426334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:54,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:54,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425520204] [2023-11-19 04:55:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:54,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:55:54,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:55,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:55:55,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:55,007 INFO L87 Difference]: Start difference. First operand has 86 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 56 states have internal predecessors, (81), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:55:55,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:55,044 INFO L93 Difference]: Finished difference Result 164 states and 294 transitions. [2023-11-19 04:55:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:55:55,046 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2023-11-19 04:55:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:55,056 INFO L225 Difference]: With dead ends: 164 [2023-11-19 04:55:55,056 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 04:55:55,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:55,065 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:55,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:55,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 04:55:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 04:55:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:55:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2023-11-19 04:55:55,122 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 178 [2023-11-19 04:55:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:55,123 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2023-11-19 04:55:55,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:55:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-11-19 04:55:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:55:55,130 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:55,130 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:55,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:55,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:55,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:55,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:55,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1543383626, now seen corresponding path program 1 times [2023-11-19 04:55:55,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:55,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501948440] [2023-11-19 04:55:55,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:55,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:55,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:55,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:55,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:55:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:55,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:55:55,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 04:55:56,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:56,318 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:56,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501948440] [2023-11-19 04:55:56,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501948440] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:55:56,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [173991268] [2023-11-19 04:55:56,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:56,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:56,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:55:56,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:55:56,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:55:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:56,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:55:56,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:55:57,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:55:57,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [173991268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:57,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:55:57,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-19 04:55:57,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370496559] [2023-11-19 04:55:57,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:57,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:57,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:57,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:55:57,058 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:55:58,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:00,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:00,304 INFO L93 Difference]: Finished difference Result 183 states and 282 transitions. [2023-11-19 04:56:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2023-11-19 04:56:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:00,309 INFO L225 Difference]: With dead ends: 183 [2023-11-19 04:56:00,310 INFO L226 Difference]: Without dead ends: 105 [2023-11-19 04:56:00,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:56:00,313 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 33 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:00,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 231 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-19 04:56:00,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-19 04:56:00,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2023-11-19 04:56:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 70 states have internal predecessors, (95), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-19 04:56:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2023-11-19 04:56:00,339 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 178 [2023-11-19 04:56:00,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:00,341 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2023-11-19 04:56:00,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:56:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2023-11-19 04:56:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 04:56:00,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:00,347 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:00,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:00,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 04:56:00,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:00,765 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:00,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:00,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1495240268, now seen corresponding path program 1 times [2023-11-19 04:56:00,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:56:00,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923506419] [2023-11-19 04:56:00,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:00,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:56:00,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:56:00,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:56:00,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:56:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:01,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:01,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 04:56:01,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:56:01,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:56:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923506419] [2023-11-19 04:56:01,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923506419] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:56:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1085869804] [2023-11-19 04:56:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:01,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:01,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:56:01,564 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:56:01,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 04:56:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:02,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:56:02,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:56:03,201 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:56:03,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1085869804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:03,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:56:03,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-19 04:56:03,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105697620] [2023-11-19 04:56:03,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:03,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:03,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:56:03,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:03,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:56:03,205 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:56:04,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:04,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:04,925 INFO L93 Difference]: Finished difference Result 300 states and 459 transitions. [2023-11-19 04:56:04,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:04,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-11-19 04:56:04,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:04,952 INFO L225 Difference]: With dead ends: 300 [2023-11-19 04:56:04,952 INFO L226 Difference]: Without dead ends: 201 [2023-11-19 04:56:04,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:56:04,956 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 34 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:04,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 04:56:04,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-19 04:56:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2023-11-19 04:56:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 134 states have (on average 1.373134328358209) internal successors, (184), 136 states have internal predecessors, (184), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-19 04:56:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 304 transitions. [2023-11-19 04:56:05,011 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 304 transitions. Word has length 179 [2023-11-19 04:56:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:05,012 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 304 transitions. [2023-11-19 04:56:05,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:56:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 304 transitions. [2023-11-19 04:56:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 04:56:05,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:05,018 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:05,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:05,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:05,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:05,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:05,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:05,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1990380402, now seen corresponding path program 1 times [2023-11-19 04:56:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:56:05,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052790314] [2023-11-19 04:56:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:05,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:56:05,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:56:05,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:56:05,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 04:56:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:05,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:05,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 04:56:06,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:56:06,207 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:56:06,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052790314] [2023-11-19 04:56:06,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052790314] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:56:06,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [620747362] [2023-11-19 04:56:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:06,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:06,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:56:06,210 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:56:06,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 04:56:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:07,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:56:07,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:56:07,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:56:07,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [620747362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:07,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:56:07,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-19 04:56:07,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906387908] [2023-11-19 04:56:07,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:07,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:07,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:56:07,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:07,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:56:07,477 INFO L87 Difference]: Start difference. First operand 199 states and 304 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:56:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:09,680 INFO L93 Difference]: Finished difference Result 589 states and 902 transitions. [2023-11-19 04:56:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:09,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-11-19 04:56:09,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:09,687 INFO L225 Difference]: With dead ends: 589 [2023-11-19 04:56:09,687 INFO L226 Difference]: Without dead ends: 393 [2023-11-19 04:56:09,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:56:09,692 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 115 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:09,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 322 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 04:56:09,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-19 04:56:09,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2023-11-19 04:56:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 262 states have (on average 1.3435114503816794) internal successors, (352), 266 states have internal predecessors, (352), 120 states have call successors, (120), 8 states have call predecessors, (120), 8 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2023-11-19 04:56:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 592 transitions. [2023-11-19 04:56:09,811 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 592 transitions. Word has length 179 [2023-11-19 04:56:09,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:09,812 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 592 transitions. [2023-11-19 04:56:09,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:56:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 592 transitions. [2023-11-19 04:56:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 04:56:09,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:09,820 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:09,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:10,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:56:10,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:10,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:10,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:10,234 INFO L85 PathProgramCache]: Analyzing trace with hash 979263152, now seen corresponding path program 1 times [2023-11-19 04:56:10,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:56:10,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597097667] [2023-11-19 04:56:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:10,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:56:10,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:56:10,237 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:56:10,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:56:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:10,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:10,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 04:56:10,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:56:11,000 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:56:11,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597097667] [2023-11-19 04:56:11,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597097667] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:56:11,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [683055670] [2023-11-19 04:56:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:11,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:11,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:56:11,004 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:56:11,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 04:56:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:12,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:56:12,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 04:56:13,389 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:56:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:56:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [683055670] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:56:14,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195561961] [2023-11-19 04:56:14,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:14,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:56:14,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:14,055 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:56:14,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0762a940-ab7e-4c59-b09e-80efd491c5be/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 04:56:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:14,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:56:14,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:56:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 04:56:14,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:56:14,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195561961] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:56:14,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-19 04:56:14,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6, 5] total 11 [2023-11-19 04:56:14,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831659691] [2023-11-19 04:56:14,606 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-19 04:56:14,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 04:56:14,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:56:14,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 04:56:14,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:56:14,609 INFO L87 Difference]: Start difference. First operand 391 states and 592 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-19 04:56:27,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:56:30,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]