./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 c1eefa48d2d2d0e0297fcc2acb2c6cc9c9e34b949fc6fbd7ce865e72d2e07400 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:36:08,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:36:09,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:36:09,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:36:09,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:36:09,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:36:09,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:36:09,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:36:09,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:36:09,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:36:09,057 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:36:09,057 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:36:09,058 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:36:09,058 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:36:09,059 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:36:09,059 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:36:09,060 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:36:09,060 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:36:09,061 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:36:09,062 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:36:09,062 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:36:09,065 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:36:09,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:36:09,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:36:09,067 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:36:09,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:36:09,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:36:09,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:36:09,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:36:09,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:36:09,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:36:09,070 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:36:09,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:36:09,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:36:09,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:36:09,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:36:09,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:36:09,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:36:09,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:36:09,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:36:09,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:36:09,072 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:36:09,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:36:09,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:36:09,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:36:09,073 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:36:09,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:36:09,073 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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1eefa48d2d2d0e0297fcc2acb2c6cc9c9e34b949fc6fbd7ce865e72d2e07400 [2023-12-02 16:36:09,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:36:09,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:36:09,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:36:09,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:36:09,298 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:36:09,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-02 16:36:12,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:36:12,258 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:36:12,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-02 16:36:12,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data/8de8c4185/8a775b0d552244e4a7554b47c2aa27d6/FLAGb18a16763 [2023-12-02 16:36:12,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data/8de8c4185/8a775b0d552244e4a7554b47c2aa27d6 [2023-12-02 16:36:12,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:36:12,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:36:12,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:36:12,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:36:12,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:36:12,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636509b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12, skipping insertion in model container [2023-12-02 16:36:12,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:36:12,461 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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i[916,929] [2023-12-02 16:36:12,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:36:12,547 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:36:12,560 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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i[916,929] [2023-12-02 16:36:12,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:36:12,621 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:36:12,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12 WrapperNode [2023-12-02 16:36:12,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:36:12,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:36:12,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:36:12,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:36:12,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,681 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 234 [2023-12-02 16:36:12,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:36:12,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:36:12,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:36:12,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:36:12,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:36:12,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:36:12,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:36:12,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:36:12,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (1/1) ... [2023-12-02 16:36:12,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:36:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:36:12,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:36:12,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:36:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:36:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:36:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:36:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:36:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:36:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:36:12,907 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:36:12,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:36:13,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:36:13,603 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:36:13,603 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:36:13,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:13 BoogieIcfgContainer [2023-12-02 16:36:13,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:36:13,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:36:13,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:36:13,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:36:13,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:36:12" (1/3) ... [2023-12-02 16:36:13,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef797b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:36:13, skipping insertion in model container [2023-12-02 16:36:13,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:12" (2/3) ... [2023-12-02 16:36:13,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef797b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:36:13, skipping insertion in model container [2023-12-02 16:36:13,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:13" (3/3) ... [2023-12-02 16:36:13,612 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-02 16:36:13,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:36:13,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:36:13,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:36:13,674 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;@47476899, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:36:13,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:36:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 16:36:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 16:36:13,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:36:13,691 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:13,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:36:13,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:36:13,697 INFO L85 PathProgramCache]: Analyzing trace with hash -891150201, now seen corresponding path program 1 times [2023-12-02 16:36:13,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:36:13,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519974255] [2023-12-02 16:36:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:36:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:36:13,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:36:13,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703018377] [2023-12-02 16:36:13,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:36:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:36:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:36:13,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:36:13,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:36:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:36:14,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:36:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:36:15,265 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:36:15,268 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:36:15,270 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:36:15,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:36:15,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 16:36:15,476 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:36:15,479 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:36:15,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:36:15 BoogieIcfgContainer [2023-12-02 16:36:15,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:36:15,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:36:15,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:36:15,595 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:36:15,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:13" (3/4) ... [2023-12-02 16:36:15,597 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:36:15,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:36:15,600 INFO L158 Benchmark]: Toolchain (without parser) took 3315.81ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 107.3MB in the beginning and 91.6MB in the end (delta: 15.7MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-12-02 16:36:15,600 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:36:15,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.06ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 90.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 16:36:15,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.38ms. Allocated memory is still 144.7MB. Free memory was 90.5MB in the beginning and 85.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:36:15,602 INFO L158 Benchmark]: Boogie Preprocessor took 50.61ms. Allocated memory is still 144.7MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:36:15,603 INFO L158 Benchmark]: RCFGBuilder took 871.96ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 87.6MB in the end (delta: -4.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-12-02 16:36:15,603 INFO L158 Benchmark]: TraceAbstraction took 1987.29ms. Allocated memory is still 174.1MB. Free memory was 87.6MB in the beginning and 92.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:36:15,604 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 174.1MB. Free memory was 92.6MB in the beginning and 91.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:36:15,607 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 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.06ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 90.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.38ms. Allocated memory is still 144.7MB. Free memory was 90.5MB in the beginning and 85.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.61ms. Allocated memory is still 144.7MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 871.96ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 87.6MB in the end (delta: -4.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1987.29ms. Allocated memory is still 174.1MB. Free memory was 87.6MB in the beginning and 92.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 174.1MB. Free memory was 92.6MB in the beginning and 91.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 192, overapproximation of shiftRight at line 63, overapproximation of someBinaryArithmeticDOUBLEoperation at line 128, overapproximation of someUnaryDOUBLEoperation at line 128, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryArithmeticFLOAToperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] signed long int var_1_5 = 32; [L24] unsigned char var_1_6 = 16; [L25] unsigned long int var_1_7 = 64; [L26] unsigned char var_1_8 = 128; [L27] double var_1_9 = 99999.2; [L28] double var_1_10 = 31.9; [L29] double var_1_11 = 8.5; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_13 = 0; [L32] unsigned char var_1_14 = 0; [L33] unsigned char var_1_15 = 0; [L34] double var_1_16 = 63.5; [L35] double var_1_17 = 1.75; [L36] double var_1_18 = 4.25; [L37] double var_1_19 = 127.7; [L38] unsigned char var_1_20 = 0; [L39] signed long int var_1_21 = -2; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] float var_1_24 = 999999999.6; [L43] float var_1_25 = 99999999999999.5; [L44] signed char var_1_26 = 32; [L45] signed char var_1_27 = 64; [L46] signed char var_1_28 = 32; [L47] signed char var_1_29 = 4; [L48] unsigned char var_1_30 = 0; [L49] unsigned char var_1_31 = 0; [L50] signed long int var_1_32 = 128; [L51] signed short int var_1_34 = -25; [L52] unsigned char var_1_36 = 64; [L53] unsigned long int last_1_var_1_1 = 0; [L54] unsigned char last_1_var_1_6 = 16; [L55] double last_1_var_1_16 = 63.5; [L56] unsigned char last_1_var_1_20 = 0; [L57] signed long int last_1_var_1_32 = 128; [L58] signed short int last_1_var_1_34 = -25; [L59] unsigned char last_1_var_1_36 = 64; [L196] isInitial = 1 [L197] FCALL initially() [L198] COND TRUE 1 [L199] CALL updateLastVariables() [L183] last_1_var_1_1 = var_1_1 [L184] last_1_var_1_6 = var_1_6 [L185] last_1_var_1_16 = var_1_16 [L186] last_1_var_1_20 = var_1_20 [L187] last_1_var_1_32 = var_1_32 [L188] last_1_var_1_34 = var_1_34 [L189] last_1_var_1_36 = var_1_36 [L199] RET updateLastVariables() [L200] CALL updateVariables() [L135] var_1_5 = __VERIFIER_nondet_long() [L136] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=128, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=128, var_1_9=499996/5] [L137] CALL assume_abort_if_not(var_1_5 <= 33) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=128, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_5 <= 33) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=128, var_1_9=499996/5] [L138] var_1_7 = __VERIFIER_nondet_ulong() [L139] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_8=128, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_8=128, var_1_9=499996/5] [L140] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_8=128, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_8=128, var_1_9=499996/5] [L141] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=128, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=128, var_1_9=499996/5] [L142] var_1_8 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_8 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 >= 127) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L144] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=319/10, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L145] var_1_10 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_11=17/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L147] var_1_11 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L149] var_1_13 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L151] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L152] var_1_14 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L154] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L155] var_1_15 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L157] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_17=7/4, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L158] var_1_17 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_18=17/4, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L160] var_1_18 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_19=1277/10, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L162] var_1_19 = __VERIFIER_nondet_double() [L163] 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, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L163] 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, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L164] var_1_23 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L166] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_25=199999999999999/2, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L167] var_1_25 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=64, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L169] var_1_27 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_27 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= 63) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L171] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=32, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L172] var_1_28 = __VERIFIER_nondet_char() [L173] CALL assume_abort_if_not(var_1_28 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 >= 31) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L174] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=4, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L175] var_1_29 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L177] CALL assume_abort_if_not(var_1_29 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_29 <= 31) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L178] var_1_31 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_31 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=1, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_31 >= 1) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=1, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L180] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=1, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127/2, var_1_1=0, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=0, var_1_31=1, var_1_32=128, var_1_34=-25, var_1_36=64, var_1_5=0, var_1_6=16, var_1_7=64, var_1_8=254, var_1_9=499996/5] [L200] RET updateVariables() [L201] CALL step() [L63] EXPR var_1_29 >> var_1_5 [L63] COND FALSE !(! (((((last_1_var_1_6) > (last_1_var_1_36)) ? (last_1_var_1_6) : (last_1_var_1_36))) > (var_1_29 >> var_1_5))) [L68] var_1_34 = var_1_29 [L70] signed long int stepLocal_6 = (((last_1_var_1_34) < ((last_1_var_1_6 % var_1_8))) ? (last_1_var_1_34) : ((last_1_var_1_6 % var_1_8))); [L71] COND TRUE stepLocal_6 >= last_1_var_1_1 [L72] var_1_20 = (var_1_5 + ((((16) < (1)) ? (16) : (1)))) [L74] unsigned long int stepLocal_3 = (((var_1_5) > (last_1_var_1_1)) ? (var_1_5) : (last_1_var_1_1)); [L75] signed long int stepLocal_2 = var_1_5; [L76] COND TRUE stepLocal_2 >= ((((last_1_var_1_20) > (last_1_var_1_1)) ? (last_1_var_1_20) : (last_1_var_1_1))) [L77] COND FALSE !(stepLocal_3 > (last_1_var_1_36 / var_1_7)) [L80] var_1_6 = (var_1_8 - var_1_5) [L85] var_1_21 = ((256 + (var_1_8 + var_1_5)) - var_1_6) [L86] var_1_9 = ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) [L87] var_1_12 = (var_1_13 || (var_1_14 || var_1_15)) [L88] var_1_22 = (! (var_1_15 || (! var_1_23))) [L89] COND FALSE !((var_1_17 / 31.375f) < 100.25) [L92] COND FALSE !(\read(var_1_14)) [L95] COND FALSE !(\read(var_1_15)) [L99] var_1_30 = (var_1_12 || (var_1_23 && (var_1_12 || var_1_31))) [L100] var_1_36 = var_1_5 [L101] unsigned char stepLocal_7 = var_1_20; [L102] COND TRUE stepLocal_7 < (var_1_20 + var_1_6) [L103] var_1_32 = (var_1_34 + var_1_5) [L107] unsigned char stepLocal_1 = var_1_36 >= var_1_21; [L108] EXPR (var_1_36 * var_1_21) >> var_1_5 [L108] signed long int stepLocal_0 = (var_1_36 * var_1_21) >> var_1_5; [L109] COND TRUE stepLocal_1 || var_1_22 [L110] COND FALSE !(stepLocal_0 >= 50u) [L113] var_1_1 = var_1_5 [L118] unsigned long int stepLocal_5 = var_1_7 * var_1_1; [L119] unsigned long int stepLocal_4 = 1u; [L120] COND FALSE !(var_1_20 < stepLocal_4) [L131] var_1_16 = ((((var_1_18) > (((((var_1_17) < (var_1_10)) ? (var_1_17) : (var_1_10))))) ? (var_1_18) : (((((var_1_17) < (var_1_10)) ? (var_1_17) : (var_1_10)))))) [L201] RET step() [L202] CALL, EXPR property() [L192] EXPR ((var_1_36 >= var_1_21) || var_1_22) ? ((((var_1_36 * var_1_21) >> var_1_5) >= 50u) ? (var_1_1 == ((unsigned long int) var_1_5)) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_5)) [L192] EXPR (var_1_36 * var_1_21) >> var_1_5 [L192] EXPR ((var_1_36 >= var_1_21) || var_1_22) ? ((((var_1_36 * var_1_21) >> var_1_5) >= 50u) ? (var_1_1 == ((unsigned long int) var_1_5)) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_5)) [L192] EXPR ((((((((((((((var_1_36 >= var_1_21) || var_1_22) ? ((((var_1_36 * var_1_21) >> var_1_5) >= 50u) ? (var_1_1 == ((unsigned long int) var_1_5)) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_5))) && ((var_1_5 >= ((((last_1_var_1_20) > (last_1_var_1_1)) ? (last_1_var_1_20) : (last_1_var_1_1)))) ? ((((((var_1_5) > (last_1_var_1_1)) ? (var_1_5) : (last_1_var_1_1))) > (last_1_var_1_36 / var_1_7)) ? (var_1_6 == ((unsigned char) (var_1_5 + 32))) : (var_1_6 == ((unsigned char) (var_1_8 - var_1_5)))) : (var_1_6 == ((unsigned char) var_1_5)))) && (var_1_9 == ((double) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11)))))) && (var_1_12 == ((unsigned char) (var_1_13 || (var_1_14 || var_1_15))))) && ((var_1_20 < 1u) ? ((! (var_1_7 >= var_1_5)) ? ((var_1_20 < (var_1_7 * var_1_1)) ? (var_1_16 == ((double) 31.6)) : (var_1_16 == ((double) (var_1_17 - ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))))) : (var_1_16 == ((double) ((((var_1_18 + var_1_19) < 0 ) ? -(var_1_18 + var_1_19) : (var_1_18 + var_1_19)))))) : (var_1_16 == ((double) ((((var_1_18) > (((((var_1_17) < (var_1_10)) ? (var_1_17) : (var_1_10))))) ? (var_1_18) : (((((var_1_17) < (var_1_10)) ? (var_1_17) : (var_1_10)))))))))) && ((((((last_1_var_1_34) < ((last_1_var_1_6 % var_1_8))) ? (last_1_var_1_34) : ((last_1_var_1_6 % var_1_8)))) >= last_1_var_1_1) ? (var_1_20 == ((unsigned char) (var_1_5 + ((((16) < (1)) ? (16) : (1)))))) : 1)) && (var_1_21 == ((signed long int) ((256 + (var_1_8 + var_1_5)) - var_1_6)))) && (var_1_22 == ((unsigned char) (! (var_1_15 || (! var_1_23)))))) && (((var_1_17 / 31.375f) < 100.25) ? (var_1_24 == ((float) (var_1_25 + 128.6f))) : 1)) && (var_1_14 ? (var_1_26 == ((signed char) (var_1_5 - (var_1_27 - (var_1_28 - var_1_29))))) : (var_1_15 ? (var_1_26 == ((signed char) (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - ((((var_1_5) > (var_1_29)) ? (var_1_5) : (var_1_29)))))) : 1))) && (var_1_30 == ((unsigned char) (var_1_12 || (var_1_23 && (var_1_12 || var_1_31)))))) && ((var_1_20 < (var_1_20 + var_1_6)) ? (var_1_32 == ((signed long int) (var_1_34 + var_1_5))) : (var_1_32 == ((signed long int) (((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8))) - 16))))) && ((! (((((last_1_var_1_6) > (last_1_var_1_36)) ? (last_1_var_1_6) : (last_1_var_1_36))) > (var_1_29 >> var_1_5))) ? ((last_1_var_1_16 <= var_1_19) ? (var_1_34 == ((signed short int) ((((((var_1_28 - var_1_5)) > (var_1_8)) ? ((var_1_28 - var_1_5)) : (var_1_8))) + last_1_var_1_32))) : 1) : (var_1_34 == ((signed short int) var_1_29))) [L192-L193] return (((((((((((((((var_1_36 >= var_1_21) || var_1_22) ? ((((var_1_36 * var_1_21) >> var_1_5) >= 50u) ? (var_1_1 == ((unsigned long int) var_1_5)) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_5))) && ((var_1_5 >= ((((last_1_var_1_20) > (last_1_var_1_1)) ? (last_1_var_1_20) : (last_1_var_1_1)))) ? ((((((var_1_5) > (last_1_var_1_1)) ? (var_1_5) : (last_1_var_1_1))) > (last_1_var_1_36 / var_1_7)) ? (var_1_6 == ((unsigned char) (var_1_5 + 32))) : (var_1_6 == ((unsigned char) (var_1_8 - var_1_5)))) : (var_1_6 == ((unsigned char) var_1_5)))) && (var_1_9 == ((double) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11)))))) && (var_1_12 == ((unsigned char) (var_1_13 || (var_1_14 || var_1_15))))) && ((var_1_20 < 1u) ? ((! (var_1_7 >= var_1_5)) ? ((var_1_20 < (var_1_7 * var_1_1)) ? (var_1_16 == ((double) 31.6)) : (var_1_16 == ((double) (var_1_17 - ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))))) : (var_1_16 == ((double) ((((var_1_18 + var_1_19) < 0 ) ? -(var_1_18 + var_1_19) : (var_1_18 + var_1_19)))))) : (var_1_16 == ((double) ((((var_1_18) > (((((var_1_17) < (var_1_10)) ? (var_1_17) : (var_1_10))))) ? (var_1_18) : (((((var_1_17) < (var_1_10)) ? (var_1_17) : (var_1_10)))))))))) && ((((((last_1_var_1_34) < ((last_1_var_1_6 % var_1_8))) ? (last_1_var_1_34) : ((last_1_var_1_6 % var_1_8)))) >= last_1_var_1_1) ? (var_1_20 == ((unsigned char) (var_1_5 + ((((16) < (1)) ? (16) : (1)))))) : 1)) && (var_1_21 == ((signed long int) ((256 + (var_1_8 + var_1_5)) - var_1_6)))) && (var_1_22 == ((unsigned char) (! (var_1_15 || (! var_1_23)))))) && (((var_1_17 / 31.375f) < 100.25) ? (var_1_24 == ((float) (var_1_25 + 128.6f))) : 1)) && (var_1_14 ? (var_1_26 == ((signed char) (var_1_5 - (var_1_27 - (var_1_28 - var_1_29))))) : (var_1_15 ? (var_1_26 == ((signed char) (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - ((((var_1_5) > (var_1_29)) ? (var_1_5) : (var_1_29)))))) : 1))) && (var_1_30 == ((unsigned char) (var_1_12 || (var_1_23 && (var_1_12 || var_1_31)))))) && ((var_1_20 < (var_1_20 + var_1_6)) ? (var_1_32 == ((signed long int) (var_1_34 + var_1_5))) : (var_1_32 == ((signed long int) (((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8))) - 16))))) && ((! (((((last_1_var_1_6) > (last_1_var_1_36)) ? (last_1_var_1_6) : (last_1_var_1_36))) > (var_1_29 >> var_1_5))) ? ((last_1_var_1_16 <= var_1_19) ? (var_1_34 == ((signed short int) ((((((var_1_28 - var_1_5)) > (var_1_8)) ? ((var_1_28 - var_1_5)) : (var_1_8))) + last_1_var_1_32))) : 1) : (var_1_34 == ((signed short int) var_1_29)))) && (var_1_36 == ((unsigned char) var_1_5)) ; [L202] RET, EXPR property() [L202] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=0, var_1_18=2, var_1_1=0, var_1_20=1, var_1_21=256, var_1_22=1, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_34=1, var_1_36=0, var_1_5=0, var_1_6=254, var_1_7=64, var_1_8=254, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=127/2, last_1_var_1_1=0, last_1_var_1_20=0, last_1_var_1_32=128, last_1_var_1_34=-25, last_1_var_1_36=64, last_1_var_1_6=16, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=0, var_1_18=2, var_1_1=0, var_1_20=1, var_1_21=256, var_1_22=1, var_1_23=1, var_1_24=4999999998/5, var_1_26=32, var_1_27=126, var_1_28=31, var_1_29=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_34=1, var_1_36=0, var_1_5=0, var_1_6=254, var_1_7=64, var_1_8=254, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 29, 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=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 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 16:36:15,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 c1eefa48d2d2d0e0297fcc2acb2c6cc9c9e34b949fc6fbd7ce865e72d2e07400 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:36:17,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:36:17,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:36:17,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:36:17,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:36:17,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:36:17,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:36:17,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:36:17,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:36:17,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:36:17,725 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:36:17,726 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:36:17,726 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:36:17,727 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:36:17,727 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:36:17,728 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:36:17,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:36:17,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:36:17,730 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:36:17,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:36:17,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:36:17,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:36:17,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:36:17,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:36:17,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:36:17,733 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:36:17,733 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:36:17,734 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:36:17,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:36:17,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:36:17,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:36:17,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:36:17,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:36:17,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:36:17,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:36:17,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:36:17,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:36:17,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:36:17,737 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:36:17,737 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:36:17,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:36:17,738 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:36:17,738 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:36:17,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:36:17,739 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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1eefa48d2d2d0e0297fcc2acb2c6cc9c9e34b949fc6fbd7ce865e72d2e07400 [2023-12-02 16:36:18,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:36:18,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:36:18,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:36:18,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:36:18,064 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:36:18,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-02 16:36:20,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:36:21,093 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:36:21,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-02 16:36:21,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data/f151551b0/a6ea25bfdb44435e997f41c8723f43ea/FLAGafe47d23a [2023-12-02 16:36:21,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/data/f151551b0/a6ea25bfdb44435e997f41c8723f43ea [2023-12-02 16:36:21,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:36:21,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:36:21,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:36:21,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:36:21,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:36:21,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388432c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21, skipping insertion in model container [2023-12-02 16:36:21,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:36:21,339 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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i[916,929] [2023-12-02 16:36:21,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:36:21,439 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:36:21,453 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_6e6cb8c7-cff3-49ad-b718-ada554438fbb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-45.i[916,929] [2023-12-02 16:36:21,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:36:21,518 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:36:21,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21 WrapperNode [2023-12-02 16:36:21,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:36:21,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:36:21,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:36:21,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:36:21,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,579 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-12-02 16:36:21,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:36:21,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:36:21,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:36:21,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:36:21,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:36:21,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:36:21,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:36:21,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:36:21,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2023-12-02 16:36:21,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:36:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:36:21,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:36:21,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:36:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:36:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:36:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:36:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:36:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:36:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:36:21,809 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:36:21,812 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:36:29,115 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:36:29,168 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:36:29,169 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:36:29,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:29 BoogieIcfgContainer [2023-12-02 16:36:29,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:36:29,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:36:29,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:36:29,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:36:29,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:36:21" (1/3) ... [2023-12-02 16:36:29,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e2deaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:36:29, skipping insertion in model container [2023-12-02 16:36:29,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (2/3) ... [2023-12-02 16:36:29,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e2deaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:36:29, skipping insertion in model container [2023-12-02 16:36:29,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:29" (3/3) ... [2023-12-02 16:36:29,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-45.i [2023-12-02 16:36:29,205 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:36:29,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:36:29,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:36:29,256 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;@135697ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:36:29,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:36:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 16:36:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 16:36:29,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:36:29,276 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:29,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:36:29,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:36:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash -93208450, now seen corresponding path program 1 times [2023-12-02 16:36:29,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:36:29,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331995167] [2023-12-02 16:36:29,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:36:29,295 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 16:36:29,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:36:29,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:29,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:36:29,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:36:29,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:36:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 804 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-02 16:36:30,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:36:30,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:36:30,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331995167] [2023-12-02 16:36:30,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331995167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:36:30,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:36:30,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:36:30,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452887264] [2023-12-02 16:36:30,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:36:30,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:36:30,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:36:30,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:36:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:36:30,078 INFO L87 Difference]: Start difference. First operand has 79 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 16:36:32,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:32,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:36:32,744 INFO L93 Difference]: Finished difference Result 155 states and 275 transitions. [2023-12-02 16:36:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:36:32,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 181 [2023-12-02 16:36:32,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:36:32,899 INFO L225 Difference]: With dead ends: 155 [2023-12-02 16:36:32,899 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 16:36:32,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 16:36:32,906 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:36:32,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:36:32,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 16:36:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 16:36:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 16:36:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 119 transitions. [2023-12-02 16:36:32,954 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 119 transitions. Word has length 181 [2023-12-02 16:36:32,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:36:32,955 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 119 transitions. [2023-12-02 16:36:32,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 16:36:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2023-12-02 16:36:32,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 16:36:32,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:36:32,960 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:32,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:33,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:33,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:36:33,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:36:33,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1748748740, now seen corresponding path program 1 times [2023-12-02 16:36:33,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:36:33,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995451835] [2023-12-02 16:36:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:36:33,163 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 16:36:33,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:36:33,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:33,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:36:33,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:36:33,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:36:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 16:36:35,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:36:35,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:36:35,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995451835] [2023-12-02 16:36:35,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995451835] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:36:35,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:36:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:36:35,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095062606] [2023-12-02 16:36:35,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:36:35,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:36:35,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:36:35,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:36:35,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:36:35,232 INFO L87 Difference]: Start difference. First operand 77 states and 119 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:36:38,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:40,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:42,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:44,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:46,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:36:46,979 INFO L93 Difference]: Finished difference Result 230 states and 356 transitions. [2023-12-02 16:36:47,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:36:47,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2023-12-02 16:36:47,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:36:47,123 INFO L225 Difference]: With dead ends: 230 [2023-12-02 16:36:47,124 INFO L226 Difference]: Without dead ends: 154 [2023-12-02 16:36:47,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:36:47,127 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 80 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 59 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:36:47,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 335 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 17 Invalid, 5 Unknown, 0 Unchecked, 11.7s Time] [2023-12-02 16:36:47,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-02 16:36:47,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2023-12-02 16:36:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 71 states have internal predecessors, (88), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:36:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 204 transitions. [2023-12-02 16:36:47,165 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 204 transitions. Word has length 181 [2023-12-02 16:36:47,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:36:47,166 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 204 transitions. [2023-12-02 16:36:47,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:36:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 204 transitions. [2023-12-02 16:36:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 16:36:47,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:36:47,171 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:47,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:47,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:47,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:36:47,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:36:47,373 INFO L85 PathProgramCache]: Analyzing trace with hash -468885062, now seen corresponding path program 1 times [2023-12-02 16:36:47,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:36:47,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60343142] [2023-12-02 16:36:47,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:36:47,375 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 16:36:47,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:36:47,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:47,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:36:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:36:47,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:36:47,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:36:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 16:36:50,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:36:50,897 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:36:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60343142] [2023-12-02 16:36:50,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60343142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:36:50,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:36:50,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:36:50,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457278613] [2023-12-02 16:36:50,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:36:50,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:36:50,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:36:50,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:36:50,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:36:50,901 INFO L87 Difference]: Start difference. First operand 132 states and 204 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:36:53,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:55,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:58,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:00,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:02,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:02,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:37:02,711 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2023-12-02 16:37:02,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:37:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2023-12-02 16:37:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:37:02,859 INFO L225 Difference]: With dead ends: 230 [2023-12-02 16:37:02,859 INFO L226 Difference]: Without dead ends: 154 [2023-12-02 16:37:02,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:37:02,862 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 59 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 59 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:37:02,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 326 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 26 Invalid, 5 Unknown, 0 Unchecked, 11.7s Time] [2023-12-02 16:37:02,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-02 16:37:02,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 134. [2023-12-02 16:37:02,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 73 states have internal predecessors, (90), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:37:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 206 transitions. [2023-12-02 16:37:02,893 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 206 transitions. Word has length 181 [2023-12-02 16:37:02,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:37:02,894 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 206 transitions. [2023-12-02 16:37:02,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:37:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2023-12-02 16:37:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-02 16:37:02,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:37:02,898 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:02,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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)] Ended with exit code 0 [2023-12-02 16:37:03,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:37:03,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:37:03,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:37:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 928804840, now seen corresponding path program 1 times [2023-12-02 16:37:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:37:03,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452308589] [2023-12-02 16:37:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:03,106 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 16:37:03,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:37:03,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:37:03,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (5)] Waiting until timeout for monitored process [2023-12-02 16:37:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:03,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:37:03,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 820 proven. 48 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-12-02 16:37:04,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:05,210 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:37:05,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452308589] [2023-12-02 16:37:05,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452308589] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:05,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [426541150] [2023-12-02 16:37:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:05,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:37:05,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:37:05,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:37:05,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 16:37:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:07,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:37:07,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 820 proven. 48 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-12-02 16:37:08,169 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:08,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [426541150] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:08,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950306916] [2023-12-02 16:37:08,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:08,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:37:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:37:08,658 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:37:08,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 16:37:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:09,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:37:09,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 820 proven. 48 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-12-02 16:37:10,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:10,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950306916] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:10,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 16:37:10,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 16:37:10,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340436540] [2023-12-02 16:37:10,824 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 16:37:10,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 16:37:10,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:37:10,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 16:37:10,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:37:10,827 INFO L87 Difference]: Start difference. First operand 134 states and 206 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-02 16:37:14,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:16,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:18,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:37:18,459 INFO L93 Difference]: Finished difference Result 226 states and 338 transitions. [2023-12-02 16:37:18,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 16:37:18,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 182 [2023-12-02 16:37:18,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:37:18,606 INFO L225 Difference]: With dead ends: 226 [2023-12-02 16:37:18,606 INFO L226 Difference]: Without dead ends: 150 [2023-12-02 16:37:18,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1090 GetRequests, 1078 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 16:37:18,607 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 90 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 26 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:37:18,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 187 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2023-12-02 16:37:18,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-02 16:37:18,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 142. [2023-12-02 16:37:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 79 states have (on average 1.2025316455696202) internal successors, (95), 79 states have internal predecessors, (95), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:37:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 211 transitions. [2023-12-02 16:37:18,635 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 211 transitions. Word has length 182 [2023-12-02 16:37:18,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:37:18,636 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 211 transitions. [2023-12-02 16:37:18,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-02 16:37:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 211 transitions. [2023-12-02 16:37:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 16:37:18,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:37:18,640 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:18,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 16:37:18,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (5)] Ended with exit code 0 [2023-12-02 16:37:19,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 16:37:19,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:37:19,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:37:19,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:37:19,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1713135033, now seen corresponding path program 1 times [2023-12-02 16:37:19,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:37:19,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709789249] [2023-12-02 16:37:19,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:19,242 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 16:37:19,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:37:19,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:37:19,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (8)] Waiting until timeout for monitored process [2023-12-02 16:37:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:19,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:37:19,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-12-02 16:37:20,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:21,093 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:37:21,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709789249] [2023-12-02 16:37:21,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709789249] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:21,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1698428614] [2023-12-02 16:37:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:21,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:37:21,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:37:21,094 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:37:21,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 16:37:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:23,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:37:23,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-12-02 16:37:23,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:24,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1698428614] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:24,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078290504] [2023-12-02 16:37:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:24,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:37:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:37:24,295 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:37:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 16:37:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:25,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:37:25,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-12-02 16:37:25,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:26,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078290504] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:26,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 16:37:26,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 16:37:26,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502889235] [2023-12-02 16:37:26,352 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 16:37:26,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 16:37:26,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:37:26,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 16:37:26,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:37:26,354 INFO L87 Difference]: Start difference. First operand 142 states and 211 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 16:37:30,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:32,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:34,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:34,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:37:34,143 INFO L93 Difference]: Finished difference Result 242 states and 349 transitions. [2023-12-02 16:37:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 16:37:34,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 183 [2023-12-02 16:37:34,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:37:34,299 INFO L225 Difference]: With dead ends: 242 [2023-12-02 16:37:34,299 INFO L226 Difference]: Without dead ends: 162 [2023-12-02 16:37:34,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1084 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 16:37:34,300 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 91 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 34 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:37:34,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 183 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 162 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2023-12-02 16:37:34,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-02 16:37:34,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 150. [2023-12-02 16:37:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 85 states have (on average 1.1764705882352942) internal successors, (100), 85 states have internal predecessors, (100), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:37:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 216 transitions. [2023-12-02 16:37:34,323 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 216 transitions. Word has length 183 [2023-12-02 16:37:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:37:34,324 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 216 transitions. [2023-12-02 16:37:34,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 16:37:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 216 transitions. [2023-12-02 16:37:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 16:37:34,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:37:34,326 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:34,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 16:37:34,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 16:37:34,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (8)] Forceful destruction successful, exit code 0 [2023-12-02 16:37:34,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:37:34,927 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:37:34,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:37:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1320108023, now seen corresponding path program 1 times [2023-12-02 16:37:34,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:37:34,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055915200] [2023-12-02 16:37:34,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:34,928 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 16:37:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:37:34,929 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:37:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (11)] Waiting until timeout for monitored process [2023-12-02 16:37:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:35,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:37:35,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 982 proven. 69 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-12-02 16:37:36,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 93 proven. 72 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2023-12-02 16:37:38,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:37:38,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055915200] [2023-12-02 16:37:38,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055915200] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:38,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [468302372] [2023-12-02 16:37:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:37:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:37:38,123 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:37:38,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 16:37:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:40,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 16:37:40,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 784 proven. 30 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2023-12-02 16:37:40,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 54 proven. 30 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [468302372] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:41,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725663592] [2023-12-02 16:37:41,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:41,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:37:41,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:37:41,702 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:37:41,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 16:37:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:43,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 16:37:43,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 796 proven. 54 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-12-02 16:37:45,169 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:37:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 54 proven. 30 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:37:45,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725663592] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:37:45,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 16:37:45,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 7, 7, 11, 8] total 24 [2023-12-02 16:37:45,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250116300] [2023-12-02 16:37:45,813 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 16:37:45,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 16:37:45,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:37:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 16:37:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-12-02 16:37:45,816 INFO L87 Difference]: Start difference. First operand 150 states and 216 transitions. Second operand has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 5 states have call successors, (76), 5 states have call predecessors, (76), 11 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2023-12-02 16:37:51,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:53,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:55,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:57,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:59,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:38:02,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:38:02,658 INFO L93 Difference]: Finished difference Result 264 states and 365 transitions. [2023-12-02 16:38:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 16:38:02,659 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 5 states have call successors, (76), 5 states have call predecessors, (76), 11 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) Word has length 183 [2023-12-02 16:38:02,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:38:02,661 INFO L225 Difference]: With dead ends: 264 [2023-12-02 16:38:02,661 INFO L226 Difference]: Without dead ends: 180 [2023-12-02 16:38:02,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1120 GetRequests, 1070 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=613, Invalid=1739, Unknown=0, NotChecked=0, Total=2352 [2023-12-02 16:38:02,664 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 475 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 416 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:38:02,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 589 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 796 Invalid, 5 Unknown, 0 Unchecked, 15.3s Time] [2023-12-02 16:38:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-02 16:38:02,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 166. [2023-12-02 16:38:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 97 states have (on average 1.1443298969072164) internal successors, (111), 97 states have internal predecessors, (111), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:38:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 227 transitions. [2023-12-02 16:38:02,688 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 227 transitions. Word has length 183 [2023-12-02 16:38:02,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:38:02,689 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 227 transitions. [2023-12-02 16:38:02,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 5 states have call successors, (76), 5 states have call predecessors, (76), 11 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2023-12-02 16:38:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 227 transitions. [2023-12-02 16:38:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 16:38:02,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:38:02,691 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:02,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 16:38:02,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (11)] Ended with exit code 0 [2023-12-02 16:38:03,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 16:38:03,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:38:03,293 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:38:03,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:38:03,293 INFO L85 PathProgramCache]: Analyzing trace with hash -697952535, now seen corresponding path program 1 times [2023-12-02 16:38:03,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:38:03,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939000145] [2023-12-02 16:38:03,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:38:03,294 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 16:38:03,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:38:03,295 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 16:38:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6cb8c7-cff3-49ad-b718-ada554438fbb/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 (14)] Waiting until timeout for monitored process [2023-12-02 16:38:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:38:04,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 16:38:04,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:40:52,431 WARN L293 SmtUtils]: Spent 7.04s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:41:39,490 WARN L293 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:42:06,035 WARN L293 SmtUtils]: Spent 8.34s 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) [2023-12-02 16:42:36,228 WARN L293 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 158 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:43:24,246 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:43:57,082 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:44:37,568 WARN L293 SmtUtils]: Spent 11.06s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)