./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh --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 c1e5d1fd15ef08e2c60f66d4394512c6de56b3a22c0cefb479d0510f5537bce7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:09:35,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:09:36,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:09:36,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:09:36,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:09:36,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:09:36,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:09:36,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:09:36,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:09:36,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:09:36,082 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:09:36,082 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:09:36,083 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:09:36,083 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:09:36,084 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:09:36,084 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:09:36,085 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:09:36,085 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:09:36,086 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:09:36,086 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:09:36,087 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:09:36,087 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:09:36,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:09:36,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:09:36,089 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:09:36,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:09:36,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:09:36,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:09:36,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:09:36,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:09:36,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:09:36,091 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:09:36,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:09:36,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:09:36,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:09:36,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:09:36,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:09:36,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:09:36,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:09:36,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:09:36,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:09:36,094 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:09:36,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:09:36,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:09:36,095 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:09:36,095 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:09:36,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:09:36,095 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_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1e5d1fd15ef08e2c60f66d4394512c6de56b3a22c0cefb479d0510f5537bce7 [2023-12-02 13:09:36,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:09:36,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:09:36,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:09:36,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:09:36,346 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:09:36,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i [2023-12-02 13:09:39,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:09:39,297 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:09:39,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i [2023-12-02 13:09:39,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data/85516bcbb/06eb2e66c3e546dc8001bcf20e759e43/FLAGc5febd16e [2023-12-02 13:09:39,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data/85516bcbb/06eb2e66c3e546dc8001bcf20e759e43 [2023-12-02 13:09:39,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:09:39,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:09:39,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:09:39,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:09:39,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:09:39,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:39,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23dc6b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39, skipping insertion in model container [2023-12-02 13:09:39,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:39,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:09:39,842 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_34c0c02e-d133-4680-8048-1e0c2f2df604/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i[913,926] [2023-12-02 13:09:39,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:09:39,907 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:09:39,917 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_34c0c02e-d133-4680-8048-1e0c2f2df604/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i[913,926] [2023-12-02 13:09:39,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:09:39,966 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:09:39,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39 WrapperNode [2023-12-02 13:09:39,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:09:39,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:09:39,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:09:39,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:09:39,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:39,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,027 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-12-02 13:09:40,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:09:40,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:09:40,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:09:40,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:09:40,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:09:40,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:09:40,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:09:40,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:09:40,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (1/1) ... [2023-12-02 13:09:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:09:40,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:09:40,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:09:40,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:09:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:09:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:09:40,251 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:09:40,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:09:40,618 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:09:40,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:09:40,871 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:09:40,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:40 BoogieIcfgContainer [2023-12-02 13:09:40,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:09:40,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:09:40,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:09:40,879 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:09:40,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:09:39" (1/3) ... [2023-12-02 13:09:40,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578512e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:40, skipping insertion in model container [2023-12-02 13:09:40,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:39" (2/3) ... [2023-12-02 13:09:40,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578512e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:40, skipping insertion in model container [2023-12-02 13:09:40,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:40" (3/3) ... [2023-12-02 13:09:40,882 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-47.i [2023-12-02 13:09:40,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:09:40,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:09:40,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:09:40,959 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;@65f38f19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:09:40,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:09:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:09:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 13:09:40,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:40,975 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:40,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:40,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1869112739, now seen corresponding path program 1 times [2023-12-02 13:09:40,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:09:40,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645900022] [2023-12-02 13:09:40,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:40,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:09:41,141 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:09:41,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69442505] [2023-12-02 13:09:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:41,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:09:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:09:41,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:09:41,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:09:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:09:41,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:09:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:09:42,016 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:09:42,018 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:09:42,020 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:09:42,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:09:42,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:09:42,227 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:09:42,232 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:09:42,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:09:42 BoogieIcfgContainer [2023-12-02 13:09:42,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:09:42,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:09:42,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:09:42,311 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:09:42,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:40" (3/4) ... [2023-12-02 13:09:42,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:09:42,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:09:42,316 INFO L158 Benchmark]: Toolchain (without parser) took 2651.51ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 64.4MB in the end (delta: 39.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-12-02 13:09:42,316 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:09:42,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.48ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 89.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:09:42,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.45ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 84.7MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 13:09:42,318 INFO L158 Benchmark]: Boogie Preprocessor took 49.54ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:09:42,319 INFO L158 Benchmark]: RCFGBuilder took 794.55ms. Allocated memory is still 146.8MB. Free memory was 82.2MB in the beginning and 110.6MB in the end (delta: -28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 13:09:42,319 INFO L158 Benchmark]: TraceAbstraction took 1434.24ms. Allocated memory is still 146.8MB. Free memory was 109.4MB in the beginning and 64.4MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 13:09:42,320 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 146.8MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:09:42,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.48ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 89.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.45ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 84.7MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.54ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 794.55ms. Allocated memory is still 146.8MB. Free memory was 82.2MB in the beginning and 110.6MB in the end (delta: -28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1434.24ms. Allocated memory is still 146.8MB. Free memory was 109.4MB in the beginning and 64.4MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 146.8MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseOr at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_2 = 50.5; [L24] double var_1_3 = 0.875; [L25] unsigned short int var_1_4 = 49926; [L26] unsigned short int var_1_5 = 500; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 2; [L29] unsigned char var_1_8 = 64; [L30] unsigned short int var_1_9 = 5; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 10; [L33] float var_1_12 = 0.19999999999999996; [L34] float var_1_13 = 9.2; [L35] float var_1_14 = 5.8; [L36] float var_1_15 = 31.25; [L37] unsigned char var_1_16 = 1; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] unsigned char var_1_19 = 1; [L41] unsigned short int var_1_20 = 256; [L42] unsigned short int var_1_21 = 23544; [L43] unsigned long int var_1_22 = 64; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] FCALL updateLastVariables() [L141] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L90] var_1_3 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L92] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L93] var_1_4 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L95] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L96] var_1_5 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L98] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L99] var_1_6 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_7=2, var_1_8=64, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_8=64, var_1_9=5] [L104] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=5] [L105] var_1_9 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64] [L107] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L108] var_1_10 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L110] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L111] var_1_11 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L113] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L114] var_1_13 = __VERIFIER_nondet_float() [L115] 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, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L115] 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, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L116] var_1_14 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L118] var_1_15 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L120] var_1_17 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L122] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L123] var_1_18 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L125] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L126] var_1_21 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L128] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L141] RET updateVariables() [L142] CALL step() [L47] COND TRUE var_1_2 >= (1.3 / var_1_3) [L48] var_1_1 = ((var_1_4 - var_1_5) - var_1_6) [L52] COND TRUE var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))) [L53] COND FALSE !(\read(var_1_10)) [L57] COND FALSE !(\read(var_1_10)) [L62] var_1_12 = var_1_14 [L64] COND FALSE !((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) [L67] var_1_16 = var_1_18 [L69] COND FALSE !(\read(var_1_16)) [L74] COND TRUE var_1_6 <= var_1_4 [L75] COND FALSE !(\read(var_1_16)) [L78] var_1_20 = 16 [L83] EXPR 2 ^ var_1_1 [L83] EXPR (((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1)) [L83] COND FALSE !(var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((((var_1_2 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_5) - var_1_6))) : (var_1_1 == ((unsigned short int) ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (var_1_10 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_10 ? (((var_1_8 * var_1_7) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) ? (var_1_16 == ((unsigned char) (var_1_10 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_10) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_6 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_5))))) && ((var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) ? (var_1_22 == ((unsigned long int) var_1_8)) : 1) [L133-L134] return (((((((var_1_2 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_5) - var_1_6))) : (var_1_1 == ((unsigned short int) ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (var_1_10 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_10 ? (((var_1_8 * var_1_7) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) ? (var_1_16 == ((unsigned char) (var_1_10 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_10) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_6 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_5))))) && ((var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) ? (var_1_22 == ((unsigned long int) var_1_8)) : 1) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=32767, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=32767, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=49149, var_1_8=64, var_1_9=16413] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 [2023-12-02 13:09:42,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh --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 c1e5d1fd15ef08e2c60f66d4394512c6de56b3a22c0cefb479d0510f5537bce7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:09:44,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:09:44,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:09:44,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:09:44,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:09:44,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:09:44,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:09:44,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:09:44,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:09:44,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:09:44,453 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:09:44,454 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:09:44,454 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:09:44,455 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:09:44,455 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:09:44,456 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:09:44,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:09:44,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:09:44,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:09:44,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:09:44,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:09:44,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:09:44,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:09:44,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:09:44,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:09:44,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:09:44,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:09:44,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:09:44,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:09:44,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:09:44,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:09:44,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:09:44,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:09:44,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:09:44,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:09:44,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:09:44,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:09:44,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:09:44,466 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:09:44,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:09:44,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:09:44,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:09:44,467 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:09:44,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:09:44,467 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_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1e5d1fd15ef08e2c60f66d4394512c6de56b3a22c0cefb479d0510f5537bce7 [2023-12-02 13:09:44,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:09:44,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:09:44,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:09:44,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:09:44,777 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:09:44,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i [2023-12-02 13:09:47,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:09:47,875 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:09:47,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i [2023-12-02 13:09:47,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data/5c0292cbb/96248c4c0bc84cf58fdd04e3b2ac1fdb/FLAG70f233d69 [2023-12-02 13:09:47,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/data/5c0292cbb/96248c4c0bc84cf58fdd04e3b2ac1fdb [2023-12-02 13:09:47,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:09:47,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:09:47,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:09:47,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:09:47,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:09:47,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:47" (1/1) ... [2023-12-02 13:09:47,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7dda0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:47, skipping insertion in model container [2023-12-02 13:09:47,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:47" (1/1) ... [2023-12-02 13:09:47,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:09:48,079 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_34c0c02e-d133-4680-8048-1e0c2f2df604/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i[913,926] [2023-12-02 13:09:48,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:09:48,149 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:09:48,160 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_34c0c02e-d133-4680-8048-1e0c2f2df604/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-47.i[913,926] [2023-12-02 13:09:48,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:09:48,208 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:09:48,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48 WrapperNode [2023-12-02 13:09:48,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:09:48,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:09:48,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:09:48,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:09:48,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,258 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-12-02 13:09:48,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:09:48,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:09:48,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:09:48,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:09:48,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:09:48,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:09:48,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:09:48,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:09:48,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (1/1) ... [2023-12-02 13:09:48,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:09:48,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:09:48,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:09:48,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:09:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:09:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:09:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:09:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:09:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:09:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:09:48,495 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:09:48,497 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:09:53,721 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:09:53,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:09:53,773 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:09:53,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:53 BoogieIcfgContainer [2023-12-02 13:09:53,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:09:53,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:09:53,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:09:53,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:09:53,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:09:47" (1/3) ... [2023-12-02 13:09:53,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe7b76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:53, skipping insertion in model container [2023-12-02 13:09:53,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:48" (2/3) ... [2023-12-02 13:09:53,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe7b76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:53, skipping insertion in model container [2023-12-02 13:09:53,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:53" (3/3) ... [2023-12-02 13:09:53,783 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-47.i [2023-12-02 13:09:53,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:09:53,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:09:53,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:09:53,856 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;@5a585eb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:09:53,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:09:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:09:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 13:09:53,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:53,878 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:53,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:53,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:53,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1769103112, now seen corresponding path program 1 times [2023-12-02 13:09:53,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:09:53,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149029802] [2023-12-02 13:09:53,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:53,897 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 [2023-12-02 13:09:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:09:53,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:09:53,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:09:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:54,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:09:54,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:09:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-12-02 13:09:54,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:09:54,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:09:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149029802] [2023-12-02 13:09:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149029802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:09:54,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:09:54,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:09:54,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328693555] [2023-12-02 13:09:54,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:09:54,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:09:54,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:09:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:09:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:09:55,014 INFO L87 Difference]: Start difference. First operand has 65 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 13:09:57,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:09:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:09:57,825 INFO L93 Difference]: Finished difference Result 127 states and 232 transitions. [2023-12-02 13:09:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:09:58,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 157 [2023-12-02 13:09:58,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:09:58,063 INFO L225 Difference]: With dead ends: 127 [2023-12-02 13:09:58,064 INFO L226 Difference]: Without dead ends: 63 [2023-12-02 13:09:58,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:09:58,071 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:09:58,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:09:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-02 13:09:58,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-02 13:09:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:09:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 99 transitions. [2023-12-02 13:09:58,120 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 99 transitions. Word has length 157 [2023-12-02 13:09:58,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:09:58,121 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 99 transitions. [2023-12-02 13:09:58,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 13:09:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2023-12-02 13:09:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 13:09:58,126 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:58,127 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:58,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:09:58,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:09:58,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:58,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:58,329 INFO L85 PathProgramCache]: Analyzing trace with hash 814830272, now seen corresponding path program 1 times [2023-12-02 13:09:58,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:09:58,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023973768] [2023-12-02 13:09:58,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:58,330 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 [2023-12-02 13:09:58,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:09:58,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:09:58,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:09:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:59,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:09:59,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:10:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 465 proven. 15 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-02 13:10:00,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:10:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 13:10:00,681 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:10:00,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023973768] [2023-12-02 13:10:00,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1023973768] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:10:00,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [494220507] [2023-12-02 13:10:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:10:00,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:10:00,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:10:00,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:10:00,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 13:10:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:10:02,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:10:02,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:10:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 465 proven. 15 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-02 13:10:03,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:10:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 13:10:03,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [494220507] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:10:03,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831986695] [2023-12-02 13:10:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:10:03,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:10:03,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:10:03,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:10:03,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 13:10:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:10:04,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:10:04,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:10:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 599 proven. 114 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2023-12-02 13:10:07,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:10:08,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831986695] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:10:08,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2023-12-02 13:10:08,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 8] total 13 [2023-12-02 13:10:08,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986317144] [2023-12-02 13:10:08,818 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2023-12-02 13:10:08,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:10:08,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:10:08,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:10:08,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-12-02 13:10:08,822 INFO L87 Difference]: Start difference. First operand 63 states and 99 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (53), 4 states have call predecessors, (53), 7 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2023-12-02 13:10:13,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:15,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:17,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:19,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:21,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:24,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:26,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:30,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:32,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:35,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:37,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:39,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:41,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:43,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:45,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:47,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:49,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:51,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:53,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:55,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:57,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:59,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:08,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:10,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:12,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:14,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:16,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:18,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:20,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:23,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:25,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:27,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:29,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:31,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:34,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:36,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:38,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:40,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:42,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:44,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:47,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:49,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:51,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:53,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:53,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:11:53,495 INFO L93 Difference]: Finished difference Result 340 states and 491 transitions. [2023-12-02 13:11:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:11:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (53), 4 states have call predecessors, (53), 7 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 157 [2023-12-02 13:11:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:11:53,503 INFO L225 Difference]: With dead ends: 340 [2023-12-02 13:11:53,503 INFO L226 Difference]: Without dead ends: 278 [2023-12-02 13:11:53,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 875 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=835, Invalid=2947, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 13:11:53,508 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 245 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 220 mSolverCounterUnsat, 44 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 44 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:11:53,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 497 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 805 Invalid, 44 Unknown, 0 Unchecked, 101.4s Time] [2023-12-02 13:11:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-12-02 13:11:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2023-12-02 13:11:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 99 states have (on average 1.1414141414141414) internal successors, (113), 101 states have internal predecessors, (113), 72 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-02 13:11:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 257 transitions. [2023-12-02 13:11:53,562 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 257 transitions. Word has length 157 [2023-12-02 13:11:53,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:11:53,563 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 257 transitions. [2023-12-02 13:11:53,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (53), 4 states have call predecessors, (53), 7 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2023-12-02 13:11:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 257 transitions. [2023-12-02 13:11:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 13:11:53,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:11:53,568 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:11:53,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 13:11:53,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:11:53,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 13:11:54,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:11:54,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:11:54,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:11:54,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1557513105, now seen corresponding path program 1 times [2023-12-02 13:11:54,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:11:54,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807100640] [2023-12-02 13:11:54,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:11:54,170 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 [2023-12-02 13:11:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:11:54,171 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:11:54,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:11:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:11:55,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 13:11:55,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:11:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 569 proven. 165 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2023-12-02 13:11:59,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:03,788 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:03,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807100640] [2023-12-02 13:12:03,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807100640] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:12:03,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1308340890] [2023-12-02 13:12:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:03,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:12:03,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:12:03,790 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:12:03,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 13:12:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:06,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 13:12:06,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 569 proven. 165 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2023-12-02 13:12:14,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:29,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1308340890] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:12:29,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749216732] [2023-12-02 13:12:29,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:29,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:12:29,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:12:29,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:12:29,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34c0c02e-d133-4680-8048-1e0c2f2df604/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 13:12:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:31,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 13:12:31,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:43,837 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:53,840 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:58,851 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:07,377 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_6~0)) (bvneg ((_ zero_extend 16) c_~var_1_5~0)) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) is different from true [2023-12-02 13:13:12,415 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:26,479 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:31,498 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:00,094 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse6 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse6)) (.cse0 (bvslt .cse6 .cse2))) (and (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_14~0 .cse5)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse5)) (fp.geq c_~var_1_14~0 (fp.neg .cse4))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true [2023-12-02 13:14:15,159 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:38,672 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:43,689 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:02,113 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse6 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse6)) (.cse0 (bvslt .cse6 .cse2))) (and (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_14~0 .cse5)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse5)) (fp.geq c_~var_1_14~0 (fp.neg .cse4))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8))))) is different from true [2023-12-02 13:15:07,134 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:25,604 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:33,817 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:38,918 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:43,998 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:49,113 WARN L293 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:15:59,295 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:08,631 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:13,659 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:15,901 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse6 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse6)) (.cse0 (bvslt .cse6 .cse2))) (and (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_14~0 .cse5)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse5)) (fp.geq c_~var_1_14~0 (fp.neg .cse4))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_16~0 c_~var_1_18~0) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse6) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0))))))) is different from false [2023-12-02 13:16:18,131 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse6 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse6)) (.cse0 (bvslt .cse6 .cse2))) (and (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_14~0 .cse5)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse5)) (fp.geq c_~var_1_14~0 (fp.neg .cse4))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_16~0 c_~var_1_18~0) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse6) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0))))))) is different from true [2023-12-02 13:16:23,185 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:28,223 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:33,240 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:52,958 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:16:58,045 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:17:03,064 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:17:13,066 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:17:18,067 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:17:30,190 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse6 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse6)) (.cse0 (bvslt .cse6 .cse2))) (and (= c_~var_1_18~0 (_ bv0 8)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_14~0 .cse5)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse5)) (fp.geq c_~var_1_14~0 (fp.neg .cse4))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse6) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0)))) (= c_~var_1_16~0 (_ bv0 8))))) is different from false [2023-12-02 13:17:32,400 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse6 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse6)) (.cse0 (bvslt .cse6 .cse2))) (and (= c_~var_1_18~0 (_ bv0 8)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) ((_ zero_extend 16) c_~var_1_4~0)))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse4) (fp.geq c_~var_1_14~0 .cse5)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse5)) (fp.geq c_~var_1_14~0 (fp.neg .cse4))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse6) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0)))) (= c_~var_1_16~0 (_ bv0 8))))) is different from true [2023-12-02 13:17:37,423 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:18:34,191 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:18:49,282 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse7 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse7)) (.cse0 (bvslt .cse7 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~var_1_18~0 (_ bv0 8)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) .cse4))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse6)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse6)) (fp.geq c_~var_1_14~0 (fp.neg .cse5))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (bvsle .cse7 .cse4) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse7) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0)))) (= c_~var_1_16~0 (_ bv0 8))))) is different from true [2023-12-02 13:19:37,825 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:20:08,288 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse7 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse7)) (.cse0 (bvslt .cse7 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~var_1_18~0 (_ bv0 8)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) .cse4))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse6)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse6)) (fp.geq c_~var_1_14~0 (fp.neg .cse5))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (= (_ bv16 16) c_~var_1_20~0) (bvsle .cse7 .cse4) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse7) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0)))) (= c_~var_1_16~0 (_ bv0 8))))) is different from false [2023-12-02 13:20:10,502 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse7 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse7)) (.cse0 (bvslt .cse7 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~var_1_18~0 (_ bv0 8)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) .cse4))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse6)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse6)) (fp.geq c_~var_1_14~0 (fp.neg .cse5))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_14~0 c_~var_1_12~0) (= (_ bv16 16) c_~var_1_20~0) (bvsle .cse7 .cse4) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd ((_ zero_extend 24) c_~var_1_8~0) .cse7) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0)))) (= c_~var_1_16~0 (_ bv0 8))))) is different from true [2023-12-02 13:21:09,800 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:21:19,023 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:21:24,036 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:21:29,047 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:21:34,067 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:21:39,155 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:21:41,358 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 16) c_~var_1_9~0)) (.cse8 ((_ zero_extend 16) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse3 (bvneg .cse8)) (.cse0 (bvslt .cse8 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0)) (.cse7 ((_ zero_extend 24) c_~var_1_8~0))) (and (= c_~var_1_18~0 (_ bv0 8)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse1) .cse4))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse6)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse6)) (fp.geq c_~var_1_14~0 (fp.neg .cse5))))) (or (not (bvsge .cse1 (bvadd .cse3 (_ bv32796 32)))) (not .cse0)) (= c_~var_1_22~0 .cse7) (= c_~var_1_14~0 c_~var_1_12~0) (= (_ bv16 16) c_~var_1_20~0) (bvsle .cse8 .cse4) (fp.geq c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0)) (= c_~var_1_10~0 (_ bv0 8)) (not (bvsgt (bvadd .cse7 .cse8) (bvadd ((_ zero_extend 16) c_~var_1_1~0) ((_ zero_extend 16) c_~var_1_7~0)))) (= c_~var_1_16~0 (_ bv0 8))))) is different from false