./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire --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 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:20,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:20,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:20,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:20,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:20,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:20,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:20,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:20,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:20,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:20,922 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:20,923 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:20,923 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:20,925 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:20,925 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:20,926 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:20,926 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:20,927 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:20,927 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:20,928 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:20,928 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:20,929 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:20,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:20,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:20,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:20,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:20,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:20,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:20,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:20,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:20,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:20,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:20,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:20,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:20,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:20,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:20,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:20,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:20,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:20,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:20,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:20,946 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:20,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:20,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:20,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:20,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:20,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:20,949 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a [2023-11-23 21:29:21,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:21,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:21,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:21,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:21,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:21,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2023-11-23 21:29:24,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:24,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:24,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2023-11-23 21:29:24,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data/02cda5e74/0af343f0518043eb843d53654abba246/FLAG84ecef897 [2023-11-23 21:29:24,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data/02cda5e74/0af343f0518043eb843d53654abba246 [2023-11-23 21:29:24,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:24,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:24,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:24,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:24,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:24,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:24" (1/1) ... [2023-11-23 21:29:24,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5643de1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:24, skipping insertion in model container [2023-11-23 21:29:24,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:24" (1/1) ... [2023-11-23 21:29:24,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:24,984 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2023-11-23 21:29:25,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:25,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:25,143 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2023-11-23 21:29:25,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:25,244 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:25,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25 WrapperNode [2023-11-23 21:29:25,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:25,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:25,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:25,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:25,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,330 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-23 21:29:25,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:25,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:25,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:25,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:25,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:25,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:25,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:25,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:25,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:25,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:25,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:25,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:25,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:25,593 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:25,596 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:26,259 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:26,847 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:26,847 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:26,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:26 BoogieIcfgContainer [2023-11-23 21:29:26,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:26,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:26,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:26,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:26,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:24" (1/3) ... [2023-11-23 21:29:26,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1626f78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:26, skipping insertion in model container [2023-11-23 21:29:26,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25" (2/3) ... [2023-11-23 21:29:26,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1626f78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:26, skipping insertion in model container [2023-11-23 21:29:26,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:26" (3/3) ... [2023-11-23 21:29:26,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2023-11-23 21:29:26,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:26,881 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:26,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:26,941 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;@53bf2628, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:26,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:29:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 21:29:26,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:26,959 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:26,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:26,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:26,965 INFO L85 PathProgramCache]: Analyzing trace with hash -25037574, now seen corresponding path program 1 times [2023-11-23 21:29:26,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:26,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438448789] [2023-11-23 21:29:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:26,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:27,170 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:29:27,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250662149] [2023-11-23 21:29:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:27,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:27,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:27,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:29:27,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:29:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:27,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:29:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:27,885 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:29:27,888 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:29:27,890 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:29:27,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:29:28,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:29:28,104 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:29:28,107 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:28,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:28 BoogieIcfgContainer [2023-11-23 21:29:28,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:28,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:28,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:28,213 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:28,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:26" (3/4) ... [2023-11-23 21:29:28,217 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:29:28,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:28,219 INFO L158 Benchmark]: Toolchain (without parser) took 3465.86ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 100.1MB in the beginning and 113.8MB in the end (delta: -13.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 21:29:28,220 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:28,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.82ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 84.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:29:28,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.68ms. Allocated memory is still 146.8MB. Free memory was 84.4MB in the beginning and 79.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:29:28,222 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 146.8MB. Free memory was 79.7MB in the beginning and 77.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:28,223 INFO L158 Benchmark]: RCFGBuilder took 1465.37ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 77.1MB in the beginning and 86.2MB in the end (delta: -9.1MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:28,224 INFO L158 Benchmark]: TraceAbstraction took 1360.49ms. Allocated memory is still 186.6MB. Free memory was 85.1MB in the beginning and 113.8MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:28,224 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 186.6MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:28,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.82ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 84.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.68ms. Allocated memory is still 146.8MB. Free memory was 84.4MB in the beginning and 79.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 146.8MB. Free memory was 79.7MB in the beginning and 77.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1465.37ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 77.1MB in the beginning and 86.2MB in the end (delta: -9.1MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1360.49ms. Allocated memory is still 186.6MB. Free memory was 85.1MB in the beginning and 113.8MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 186.6MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 120, overapproximation of shiftRight at line 125, overapproximation of bitwiseAnd at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] float var_1_20 = 15.875; [L40] signed short int var_1_23 = -10; [L41] unsigned long int var_1_30 = 1000000000; [L42] float var_1_33 = 99.25; [L43] signed long int var_1_34 = 10; [L44] unsigned char var_1_35 = 16; [L45] signed long int var_1_39 = -128; [L46] signed long int var_1_40 = 1792665454; [L47] unsigned char last_1_var_1_8 = 1; [L48] signed char last_1_var_1_14 = -1; [L177] isInitial = 1 [L178] FCALL initially() [L179] COND TRUE 1 [L180] CALL updateLastVariables() [L169] last_1_var_1_8 = var_1_8 [L170] last_1_var_1_14 = var_1_14 [L180] RET updateLastVariables() [L181] CALL updateVariables() [L136] var_1_2 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L139] var_1_3 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L142] var_1_4 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] var_1_7 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L148] var_1_9 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L151] var_1_10 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L154] var_1_12 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L156] var_1_13 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L161] var_1_19 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L164] var_1_40 = __VERIFIER_nondet_long() [L165] CALL assume_abort_if_not(var_1_40 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1073741823, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_40 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1073741823, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_40 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1073741823, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_40 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1073741823, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L181] RET updateVariables() [L182] CALL step() [L52] unsigned char stepLocal_0 = last_1_var_1_8; [L53] COND TRUE stepLocal_0 && last_1_var_1_8 [L54] COND TRUE \read(last_1_var_1_8) [L55] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L60] COND FALSE !(var_1_5 < var_1_3) [L63] var_1_8 = (! var_1_10) [L65] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L66] COND FALSE !((64.4f + 1.5f) <= var_1_13) [L71] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L72] COND FALSE !(stepLocal_3 || (var_1_8 && var_1_10)) [L75] var_1_18 = var_1_2 [L77] signed long int stepLocal_1 = 8 + var_1_14; [L78] COND FALSE !(var_1_4 == stepLocal_1) [L81] EXPR var_1_15 & var_1_1 [L81] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L82] COND FALSE !(var_1_12 >= 9.6) [L93] var_1_20 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L94] COND FALSE !(128u <= var_1_1) [L109] COND TRUE var_1_2 >= var_1_2 [L110] var_1_30 = (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) - var_1_3) [L112] var_1_33 = var_1_12 [L113] COND TRUE \read(var_1_10) [L114] var_1_34 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L116] COND TRUE var_1_19 > var_1_3 [L117] var_1_35 = var_1_4 [L125] EXPR var_1_4 >> var_1_4 [L125] COND FALSE !(var_1_2 > (var_1_4 >> var_1_4)) [L132] var_1_39 = var_1_2 [L182] RET step() [L183] CALL, EXPR property() [L173] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L173-L174] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L183] RET, EXPR property() [L183] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=0, var_1_19=2147483647, var_1_1=50, var_1_20=3, var_1_23=-10, var_1_2=0, var_1_30=2147483647, var_1_33=2, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=0, var_1_40=1073741823, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=0, var_1_19=2147483647, var_1_1=50, var_1_20=3, var_1_23=-10, var_1_2=0, var_1_30=2147483647, var_1_33=2, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=0, var_1_40=1073741823, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 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 [2023-11-23 21:29:28,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire --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 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:31,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:31,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:29:31,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:31,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:31,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:31,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:31,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:31,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:31,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:31,169 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:31,169 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:31,170 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:31,170 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:31,171 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:31,171 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:31,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:31,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:31,173 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:31,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:31,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:31,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:31,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:31,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:31,177 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:29:31,177 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:29:31,178 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:29:31,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:31,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:31,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:31,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:31,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:29:31,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:31,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:31,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:31,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:31,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:31,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:31,183 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:29:31,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:31,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:31,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:31,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:31,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:31,189 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a [2023-11-23 21:29:31,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:31,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:31,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:31,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:31,618 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:31,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2023-11-23 21:29:34,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:35,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:35,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2023-11-23 21:29:35,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data/c94b964dd/432d029b9d214394990b23ad27126774/FLAG536caa116 [2023-11-23 21:29:35,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/data/c94b964dd/432d029b9d214394990b23ad27126774 [2023-11-23 21:29:35,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:35,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:35,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:35,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:35,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:35,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271526a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35, skipping insertion in model container [2023-11-23 21:29:35,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:35,460 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2023-11-23 21:29:35,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:35,606 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:35,631 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_12a1391b-ea32-44ef-95d8-785fdb2950a5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2023-11-23 21:29:35,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:35,742 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:35,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35 WrapperNode [2023-11-23 21:29:35,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:35,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:35,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:35,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:35,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,850 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-23 21:29:35,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:35,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:35,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:35,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:35,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:35,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:35,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:35,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:35,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (1/1) ... [2023-11-23 21:29:35,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:35,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:35,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:36,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:29:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:36,174 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:36,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:37,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:37,671 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:37,672 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:37,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:37 BoogieIcfgContainer [2023-11-23 21:29:37,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:37,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:37,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:37,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:37,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:35" (1/3) ... [2023-11-23 21:29:37,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a08936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:37, skipping insertion in model container [2023-11-23 21:29:37,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:35" (2/3) ... [2023-11-23 21:29:37,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a08936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:37, skipping insertion in model container [2023-11-23 21:29:37,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:37" (3/3) ... [2023-11-23 21:29:37,685 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2023-11-23 21:29:37,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:37,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:37,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:37,776 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;@316db31a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:37,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:29:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 21:29:37,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:37,807 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:37,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:37,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:37,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1650061256, now seen corresponding path program 1 times [2023-11-23 21:29:37,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:37,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853638667] [2023-11-23 21:29:37,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:37,837 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 [2023-11-23 21:29:37,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:37,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:37,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:38,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:29:38,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-23 21:29:38,395 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:38,396 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:38,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853638667] [2023-11-23 21:29:38,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853638667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:38,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:38,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:38,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588276508] [2023-11-23 21:29:38,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:38,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:38,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:38,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:38,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:38,456 INFO L87 Difference]: Start difference. First operand has 71 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:29:38,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:38,744 INFO L93 Difference]: Finished difference Result 139 states and 246 transitions. [2023-11-23 21:29:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:38,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2023-11-23 21:29:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:38,766 INFO L225 Difference]: With dead ends: 139 [2023-11-23 21:29:38,766 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 21:29:38,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:38,775 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:38,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:29:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 21:29:38,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-23 21:29:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:29:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 108 transitions. [2023-11-23 21:29:38,848 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 108 transitions. Word has length 133 [2023-11-23 21:29:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:38,849 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 108 transitions. [2023-11-23 21:29:38,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:29:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-11-23 21:29:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 21:29:38,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:38,861 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:38,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:39,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:39,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:39,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash 725807484, now seen corresponding path program 1 times [2023-11-23 21:29:39,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:39,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983996538] [2023-11-23 21:29:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:39,074 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 [2023-11-23 21:29:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:39,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:39,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:29:39,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 21:29:40,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:40,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983996538] [2023-11-23 21:29:40,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983996538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:40,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:40,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:40,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192016551] [2023-11-23 21:29:40,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:40,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:29:40,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:40,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:29:40,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:40,026 INFO L87 Difference]: Start difference. First operand 69 states and 108 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:29:41,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:41,015 INFO L93 Difference]: Finished difference Result 206 states and 323 transitions. [2023-11-23 21:29:41,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:29:41,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-23 21:29:41,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:41,028 INFO L225 Difference]: With dead ends: 206 [2023-11-23 21:29:41,028 INFO L226 Difference]: Without dead ends: 138 [2023-11-23 21:29:41,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:29:41,030 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:41,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 359 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 21:29:41,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-23 21:29:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 107. [2023-11-23 21:29:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-23 21:29:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 165 transitions. [2023-11-23 21:29:41,056 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 165 transitions. Word has length 133 [2023-11-23 21:29:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:41,057 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 165 transitions. [2023-11-23 21:29:41,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:29:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2023-11-23 21:29:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 21:29:41,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:41,060 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:41,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:41,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:41,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:41,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1955729883, now seen corresponding path program 1 times [2023-11-23 21:29:41,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:41,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926172090] [2023-11-23 21:29:41,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:41,272 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 [2023-11-23 21:29:41,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:41,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:41,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:29:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:41,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:29:41,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-23 21:29:41,900 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 21:29:42,366 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:42,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926172090] [2023-11-23 21:29:42,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926172090] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:42,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1424361542] [2023-11-23 21:29:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:42,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:42,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:29:42,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:29:42,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:29:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:43,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:29:43,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 21:29:43,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:43,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1424361542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:43,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:29:43,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 7] total 14 [2023-11-23 21:29:43,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129091093] [2023-11-23 21:29:43,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:43,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:29:43,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:43,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:29:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:29:43,631 INFO L87 Difference]: Start difference. First operand 107 states and 165 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:29:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:45,045 INFO L93 Difference]: Finished difference Result 309 states and 472 transitions. [2023-11-23 21:29:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:29:45,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-23 21:29:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:45,051 INFO L225 Difference]: With dead ends: 309 [2023-11-23 21:29:45,051 INFO L226 Difference]: Without dead ends: 241 [2023-11-23 21:29:45,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 387 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:29:45,055 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 197 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:45,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 378 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:29:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-23 21:29:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 174. [2023-11-23 21:29:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.403361344537815) internal successors, (167), 120 states have internal predecessors, (167), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:29:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 267 transitions. [2023-11-23 21:29:45,099 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 267 transitions. Word has length 134 [2023-11-23 21:29:45,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:45,101 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 267 transitions. [2023-11-23 21:29:45,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:29:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 267 transitions. [2023-11-23 21:29:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 21:29:45,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:45,105 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:45,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:45,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:45,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:45,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:45,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1898471581, now seen corresponding path program 1 times [2023-11-23 21:29:45,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:45,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525094023] [2023-11-23 21:29:45,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:45,522 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 [2023-11-23 21:29:45,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:45,523 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:45,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:29:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:45,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:29:45,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-23 21:29:46,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 21:29:46,434 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:46,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525094023] [2023-11-23 21:29:46,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525094023] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:46,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1449622410] [2023-11-23 21:29:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:46,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:46,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:29:46,436 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:29:46,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:29:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:47,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:29:47,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-23 21:29:47,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 21:29:47,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1449622410] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:47,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530772307] [2023-11-23 21:29:47,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:47,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:47,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:47,907 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:29:47,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:29:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:48,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:29:48,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-23 21:29:48,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 21:29:48,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530772307] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:48,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:29:48,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 5, 5, 5, 5] total 11 [2023-11-23 21:29:48,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629574828] [2023-11-23 21:29:48,631 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:29:48,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:29:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:48,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:29:48,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:29:48,635 INFO L87 Difference]: Start difference. First operand 174 states and 267 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 21:29:50,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:50,559 INFO L93 Difference]: Finished difference Result 368 states and 557 transitions. [2023-11-23 21:29:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 21:29:50,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 134 [2023-11-23 21:29:50,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:50,571 INFO L225 Difference]: With dead ends: 368 [2023-11-23 21:29:50,576 INFO L226 Difference]: Without dead ends: 237 [2023-11-23 21:29:50,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 807 GetRequests, 786 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:29:50,579 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 189 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:50,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 476 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 21:29:50,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-11-23 21:29:50,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 163. [2023-11-23 21:29:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 107 states have internal predecessors, (136), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:29:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 236 transitions. [2023-11-23 21:29:50,635 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 236 transitions. Word has length 134 [2023-11-23 21:29:50,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:50,636 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 236 transitions. [2023-11-23 21:29:50,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 21:29:50,637 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 236 transitions. [2023-11-23 21:29:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 21:29:50,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:50,639 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:50,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:50,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:51,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:51,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:51,246 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:51,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1059373735, now seen corresponding path program 1 times [2023-11-23 21:29:51,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:51,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423527801] [2023-11-23 21:29:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:51,248 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 [2023-11-23 21:29:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:51,249 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:51,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a1391b-ea32-44ef-95d8-785fdb2950a5/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:51,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 21:29:51,518 INFO L285 TraceCheckSpWp]: Computing forward predicates...