./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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_f730053e-d2c0-4917-be3f-f271eab69a27/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 c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:44:37,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:44:37,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:44:37,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:44:37,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:44:37,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:44:37,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:44:37,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:44:37,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:44:37,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:44:37,958 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:44:37,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:44:37,959 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:44:37,960 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:44:37,960 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:44:37,961 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:44:37,961 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:44:37,962 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:44:37,963 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:44:37,963 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:44:37,964 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:44:37,964 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:44:37,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:44:37,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:44:37,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:44:37,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:44:37,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:44:37,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:44:37,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:44:37,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:44:37,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:44:37,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:44:37,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:44:37,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:44:37,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:44:37,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:44:37,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:44:37,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:44:37,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:44:37,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:44:37,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:44:37,972 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:44:37,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:44:37,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:44:37,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:44:37,973 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:44:37,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:44:37,973 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_f730053e-d2c0-4917-be3f-f271eab69a27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f [2023-12-02 14:44:38,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:44:38,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:44:38,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:44:38,192 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:44:38,193 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:44:38,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-12-02 14:44:40,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:44:41,134 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:44:41,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-12-02 14:44:41,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data/5747c55c3/e0dbbc46ce464c47a433093226eb01d1/FLAG7f596dead [2023-12-02 14:44:41,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data/5747c55c3/e0dbbc46ce464c47a433093226eb01d1 [2023-12-02 14:44:41,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:44:41,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:44:41,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:44:41,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:44:41,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:44:41,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f54d64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41, skipping insertion in model container [2023-12-02 14:44:41,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:44:41,367 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_f730053e-d2c0-4917-be3f-f271eab69a27/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-12-02 14:44:41,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:44:41,435 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:44:41,447 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_f730053e-d2c0-4917-be3f-f271eab69a27/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-12-02 14:44:41,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:44:41,495 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:44:41,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41 WrapperNode [2023-12-02 14:44:41,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:44:41,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:44:41,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:44:41,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:44:41,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,548 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-12-02 14:44:41,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:44:41,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:44:41,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:44:41,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:44:41,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:44:41,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:44:41,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:44:41,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:44:41,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (1/1) ... [2023-12-02 14:44:41,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:44:41,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:44:41,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:44:41,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:44:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:44:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:44:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:44:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:44:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:44:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:44:41,740 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:44:41,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:44:42,050 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:44:42,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:44:42,246 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:44:42,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:42 BoogieIcfgContainer [2023-12-02 14:44:42,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:44:42,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:44:42,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:44:42,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:44:42,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:44:41" (1/3) ... [2023-12-02 14:44:42,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d802dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:44:42, skipping insertion in model container [2023-12-02 14:44:42,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:41" (2/3) ... [2023-12-02 14:44:42,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d802dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:44:42, skipping insertion in model container [2023-12-02 14:44:42,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:42" (3/3) ... [2023-12-02 14:44:42,256 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-35.i [2023-12-02 14:44:42,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:44:42,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:44:42,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:44:42,321 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;@5beb2b25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:44:42,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:44:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 14:44:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 14:44:42,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:44:42,338 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:44:42,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:44:42,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:44:42,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1518912973, now seen corresponding path program 1 times [2023-12-02 14:44:42,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:44:42,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125140808] [2023-12-02 14:44:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:44:42,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:44:42,520 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:44:42,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722303322] [2023-12-02 14:44:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:44:42,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:44:42,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:44:42,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:44:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:44:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:44:42,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:44:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:44:43,111 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:44:43,113 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:44:43,115 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:44:43,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:44:43,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:44:43,321 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:44:43,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:44:43,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:44:43 BoogieIcfgContainer [2023-12-02 14:44:43,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:44:43,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:44:43,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:44:43,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:44:43,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:42" (3/4) ... [2023-12-02 14:44:43,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:44:43,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:44:43,424 INFO L158 Benchmark]: Toolchain (without parser) took 2256.28ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 100.9MB in the beginning and 94.6MB in the end (delta: 6.3MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-12-02 14:44:43,425 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:44:43,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.81ms. Allocated memory is still 146.8MB. Free memory was 100.3MB in the beginning and 86.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:44:43,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.27ms. Allocated memory is still 146.8MB. Free memory was 86.3MB in the beginning and 83.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:44:43,426 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 146.8MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:44:43,427 INFO L158 Benchmark]: RCFGBuilder took 661.58ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 81.6MB in the beginning and 142.8MB in the end (delta: -61.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-12-02 14:44:43,428 INFO L158 Benchmark]: TraceAbstraction took 1167.87ms. Allocated memory is still 195.0MB. Free memory was 142.8MB in the beginning and 95.6MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 14:44:43,428 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 195.0MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:44:43,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.81ms. Allocated memory is still 146.8MB. Free memory was 100.3MB in the beginning and 86.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.27ms. Allocated memory is still 146.8MB. Free memory was 86.3MB in the beginning and 83.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 146.8MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.58ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 81.6MB in the beginning and 142.8MB in the end (delta: -61.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.87ms. Allocated memory is still 195.0MB. Free memory was 142.8MB in the beginning and 95.6MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 195.0MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of shiftRight at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryFLOAToperation at line 77, overapproximation of someBinaryArithmeticFLOAToperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 25; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = -5; [L30] double var_1_9 = 999.625; [L31] double var_1_10 = 5.06; [L32] unsigned short int var_1_11 = 5; [L33] signed short int var_1_12 = 2; [L34] signed long int var_1_13 = -256; [L35] double var_1_14 = 127.75; [L36] double var_1_15 = 9.75; [L37] float var_1_16 = 32.8; [L38] float var_1_17 = 32.5; [L39] float var_1_18 = 1.75; [L40] float var_1_19 = 1000000000000000.4; [L41] float var_1_20 = 0.875; [L42] unsigned char var_1_21 = 0; [L43] unsigned char var_1_22 = 0; [L44] signed short int var_1_23 = 64; [L45] signed short int var_1_24 = 25; [L46] signed short int var_1_25 = 0; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L90] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L91] var_1_3 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L93] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L94] var_1_4 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L96] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L97] var_1_5 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L99] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L100] var_1_7 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-5, var_1_9=7997/8] [L102] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-5, var_1_9=7997/8] [L103] var_1_8 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_8 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1, var_1_9=7997/8] [L105] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1, var_1_9=7997/8] [L106] var_1_9 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L108] var_1_10 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L110] var_1_11 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L112] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L113] var_1_15 = __VERIFIER_nondet_double() [L114] 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_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L114] 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_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L115] var_1_17 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L117] var_1_18 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L119] var_1_19 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L121] var_1_20 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L123] var_1_22 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L125] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L126] var_1_24 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L128] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L129] var_1_25 = __VERIFIER_nondet_short() [L130] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L131] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=1, var_1_8=-1] [L144] RET updateVariables() [L145] CALL step() [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_1 = (var_1_3 && var_1_5) [L55] COND TRUE var_1_7 >= var_1_8 [L56] COND TRUE (var_1_9 - 1.00000000000025E12) >= var_1_10 [L57] var_1_6 = 200 [L64] COND FALSE !(var_1_11 > var_1_6) [L67] COND FALSE !(var_1_12 == var_1_7) [L72] EXPR var_1_11 >> var_1_8 [L72] COND FALSE !((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) [L75] var_1_14 = var_1_15 [L77] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L78] COND FALSE !(var_1_11 == var_1_6) [L81] COND TRUE var_1_18 > var_1_9 [L82] var_1_23 = (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))) [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR ((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L136] EXPR var_1_11 >> var_1_8 [L136] EXPR ((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L136-L137] return (((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))))) : (var_1_23 == ((signed short int) (var_1_7 + 1)))) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=2, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=1, var_1_8=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=2, var_1_24=2, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=1, var_1_8=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 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 14:44:43,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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_f730053e-d2c0-4917-be3f-f271eab69a27/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 c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:44:45,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:44:45,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:44:45,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:44:45,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:44:45,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:44:45,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:44:45,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:44:45,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:44:45,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:44:45,535 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:44:45,536 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:44:45,536 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:44:45,537 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:44:45,537 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:44:45,538 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:44:45,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:44:45,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:44:45,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:44:45,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:44:45,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:44:45,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:44:45,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:44:45,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:44:45,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:44:45,543 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:44:45,544 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:44:45,544 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:44:45,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:44:45,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:44:45,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:44:45,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:44:45,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:44:45,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:44:45,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:44:45,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:44:45,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:44:45,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:44:45,547 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:44:45,548 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:44:45,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:44:45,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:44:45,551 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:44:45,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:44:45,551 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_f730053e-d2c0-4917-be3f-f271eab69a27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f [2023-12-02 14:44:45,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:44:45,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:44:45,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:44:45,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:44:45,881 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:44:45,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-12-02 14:44:48,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:44:48,939 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:44:48,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-12-02 14:44:48,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data/2ed741825/a9842265c34949108bba2e8fa43e0e65/FLAG5b29c47d2 [2023-12-02 14:44:48,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/data/2ed741825/a9842265c34949108bba2e8fa43e0e65 [2023-12-02 14:44:48,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:44:48,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:44:48,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:44:48,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:44:48,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:44:48,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:48" (1/1) ... [2023-12-02 14:44:48,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c333876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:48, skipping insertion in model container [2023-12-02 14:44:48,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:48" (1/1) ... [2023-12-02 14:44:49,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:44:49,157 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_f730053e-d2c0-4917-be3f-f271eab69a27/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-12-02 14:44:49,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:44:49,228 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:44:49,242 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_f730053e-d2c0-4917-be3f-f271eab69a27/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-12-02 14:44:49,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:44:49,295 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:44:49,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49 WrapperNode [2023-12-02 14:44:49,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:44:49,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:44:49,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:44:49,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:44:49,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,346 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-12-02 14:44:49,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:44:49,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:44:49,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:44:49,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:44:49,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:44:49,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:44:49,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:44:49,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:44:49,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (1/1) ... [2023-12-02 14:44:49,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:44:49,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:44:49,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:44:49,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:44:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:44:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:44:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:44:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:44:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:44:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:44:49,540 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:44:49,541 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:44:51,809 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:44:51,851 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:44:51,851 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:44:51,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:51 BoogieIcfgContainer [2023-12-02 14:44:51,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:44:51,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:44:51,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:44:51,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:44:51,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:44:48" (1/3) ... [2023-12-02 14:44:51,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13334b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:44:51, skipping insertion in model container [2023-12-02 14:44:51,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:49" (2/3) ... [2023-12-02 14:44:51,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13334b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:44:51, skipping insertion in model container [2023-12-02 14:44:51,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:51" (3/3) ... [2023-12-02 14:44:51,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-35.i [2023-12-02 14:44:51,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:44:51,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:44:51,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:44:51,933 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;@66aa0350, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:44:51,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:44:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 14:44:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 14:44:51,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:44:51,954 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:44:51,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:44:51,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:44:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash -690171036, now seen corresponding path program 1 times [2023-12-02 14:44:51,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:44:51,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225119496] [2023-12-02 14:44:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:44:51,972 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 14:44:51,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:44:51,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:51,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:44:52,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:44:52,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:44:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-12-02 14:44:52,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:44:52,453 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:44:52,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225119496] [2023-12-02 14:44:52,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225119496] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:44:52,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:44:52,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:44:52,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854596517] [2023-12-02 14:44:52,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:44:52,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:44:52,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:44:52,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:44:52,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:44:52,494 INFO L87 Difference]: Start difference. First operand has 67 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 14:44:53,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:44:53,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:44:53,762 INFO L93 Difference]: Finished difference Result 131 states and 235 transitions. [2023-12-02 14:44:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:44:53,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 165 [2023-12-02 14:44:53,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:44:53,791 INFO L225 Difference]: With dead ends: 131 [2023-12-02 14:44:53,791 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 14:44:53,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 14:44:53,799 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:44:53,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 14:44:53,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 14:44:53,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 14:44:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 14:44:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 100 transitions. [2023-12-02 14:44:53,847 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 100 transitions. Word has length 165 [2023-12-02 14:44:53,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:44:53,847 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 100 transitions. [2023-12-02 14:44:53,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 14:44:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-12-02 14:44:53,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 14:44:53,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:44:53,853 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:44:53,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:54,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:54,054 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:44:54,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:44:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1039431582, now seen corresponding path program 1 times [2023-12-02 14:44:54,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:44:54,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727232373] [2023-12-02 14:44:54,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:44:54,056 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 14:44:54,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:44:54,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:54,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:44:54,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:44:54,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:44:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-12-02 14:44:54,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:44:54,541 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:44:54,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727232373] [2023-12-02 14:44:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727232373] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:44:54,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:44:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:44:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376988434] [2023-12-02 14:44:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:44:54,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:44:54,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:44:54,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:44:54,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:44:54,546 INFO L87 Difference]: Start difference. First operand 65 states and 100 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 14:44:56,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:44:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:44:56,302 INFO L93 Difference]: Finished difference Result 168 states and 257 transitions. [2023-12-02 14:44:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:44:56,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 165 [2023-12-02 14:44:56,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:44:56,307 INFO L225 Difference]: With dead ends: 168 [2023-12-02 14:44:56,307 INFO L226 Difference]: Without dead ends: 104 [2023-12-02 14:44:56,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:44:56,310 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 55 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:44:56,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 215 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 14:44:56,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-02 14:44:56,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-12-02 14:44:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 57 states have (on average 1.263157894736842) internal successors, (72), 58 states have internal predecessors, (72), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-02 14:44:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2023-12-02 14:44:56,334 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 165 [2023-12-02 14:44:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:44:56,335 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2023-12-02 14:44:56,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 14:44:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2023-12-02 14:44:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 14:44:56,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:44:56,340 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:44:56,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:56,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:56,543 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:44:56,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:44:56,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1719489952, now seen corresponding path program 1 times [2023-12-02 14:44:56,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:44:56,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075230458] [2023-12-02 14:44:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:44:56,545 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 14:44:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:44:56,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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 14:44:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f730053e-d2c0-4917-be3f-f271eab69a27/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)] Waiting until timeout for monitored process [2023-12-02 14:44:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:44:56,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 14:44:56,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:47:34,279 WARN L293 SmtUtils]: Spent 48.65s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:49:54,980 WARN L293 SmtUtils]: Spent 46.13s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:53:33,271 WARN L293 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 153 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)