./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.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_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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_d3289061-f873-425d-9e2b-4b85e2baed46/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 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:41,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:41,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:07:41,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:41,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:42,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:42,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:42,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:42,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:42,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:42,025 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:42,025 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:42,026 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:42,027 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:07:42,027 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:42,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:42,028 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:07:42,029 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:07:42,029 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:42,030 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:07:42,031 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:07:42,031 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:07:42,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:42,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:42,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:42,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:07:42,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:42,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:42,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:42,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:42,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:42,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:42,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:42,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:42,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:42,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:42,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:42,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:42,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:42,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:42,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:42,039 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:07:42,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:07:42,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:42,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:42,040 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:42,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:42,040 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_d3289061-f873-425d-9e2b-4b85e2baed46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d [2023-12-02 13:07:42,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:42,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:42,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:42,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:42,291 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:42,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-12-02 13:07:45,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:45,248 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:45,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-12-02 13:07:45,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data/832d5e6f4/2272b0f732344a1ebc9d31a5b07f9673/FLAGcbd898501 [2023-12-02 13:07:45,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data/832d5e6f4/2272b0f732344a1ebc9d31a5b07f9673 [2023-12-02 13:07:45,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:45,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:45,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:45,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:45,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:45,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69dbfe88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45, skipping insertion in model container [2023-12-02 13:07:45,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:45,451 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_d3289061-f873-425d-9e2b-4b85e2baed46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-12-02 13:07:45,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:45,517 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:45,530 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_d3289061-f873-425d-9e2b-4b85e2baed46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-12-02 13:07:45,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:45,582 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:45,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45 WrapperNode [2023-12-02 13:07:45,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:45,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:45,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:45,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:45,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,652 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-12-02 13:07:45,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:45,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:45,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:45,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:45,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:45,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:45,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:45,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:45,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (1/1) ... [2023-12-02 13:07:45,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:45,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:45,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:07:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:07:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:07:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:45,867 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:45,869 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:46,248 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:46,488 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:46,489 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:46,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:46 BoogieIcfgContainer [2023-12-02 13:07:46,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:46,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:46,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:46,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:46,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:45" (1/3) ... [2023-12-02 13:07:46,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d299b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:46, skipping insertion in model container [2023-12-02 13:07:46,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:45" (2/3) ... [2023-12-02 13:07:46,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d299b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:46, skipping insertion in model container [2023-12-02 13:07:46,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:46" (3/3) ... [2023-12-02 13:07:46,499 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-12-02 13:07:46,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:46,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:46,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:46,571 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;@be21d2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:46,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 13:07:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 13:07:46,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:46,586 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:46,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:46,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:46,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1127088247, now seen corresponding path program 1 times [2023-12-02 13:07:46,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:07:46,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845175155] [2023-12-02 13:07:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:46,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:07:46,751 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:07:46,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707821811] [2023-12-02 13:07:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:46,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:07:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:46,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:07:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:07:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:07:47,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:07:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:07:47,346 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:07:47,349 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:07:47,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:07:47,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:07:47,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:07:47,564 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:07:47,568 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:07:47,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:07:47 BoogieIcfgContainer [2023-12-02 13:07:47,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:07:47,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:07:47,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:07:47,683 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:07:47,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:46" (3/4) ... [2023-12-02 13:07:47,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:07:47,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:07:47,688 INFO L158 Benchmark]: Toolchain (without parser) took 2414.48ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 100.5MB in the end (delta: 12.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-12-02 13:07:47,689 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:47,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.40ms. Allocated memory is still 148.9MB. Free memory was 112.3MB in the beginning and 97.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:07:47,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.24ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:07:47,691 INFO L158 Benchmark]: Boogie Preprocessor took 47.42ms. Allocated memory is still 148.9MB. Free memory was 93.1MB in the beginning and 90.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:07:47,691 INFO L158 Benchmark]: RCFGBuilder took 789.62ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 95.4MB in the end (delta: -4.9MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-12-02 13:07:47,692 INFO L158 Benchmark]: TraceAbstraction took 1189.11ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 100.5MB in the end (delta: -5.8MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-12-02 13:07:47,692 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 148.9MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:47,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.40ms. Allocated memory is still 148.9MB. Free memory was 112.3MB in the beginning and 97.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.24ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.42ms. Allocated memory is still 148.9MB. Free memory was 93.1MB in the beginning and 90.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 789.62ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 95.4MB in the end (delta: -4.9MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1189.11ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 100.5MB in the end (delta: -5.8MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 148.9MB. Free memory is still 100.5MB. 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 69, overapproximation of shiftRight at line 65, overapproximation of someUnaryDOUBLEoperation at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 1; [L39] signed short int var_1_24 = -32; [L40] unsigned char var_1_25 = 1; [L41] float var_1_26 = 500.65; [L42] signed long int var_1_27 = -8; [L43] unsigned long int var_1_28 = 10; [L44] signed short int var_1_29 = -256; [L45] signed char var_1_30 = 1; [L46] float var_1_31 = 7.8; [L47] float var_1_32 = 63.25; [L48] float var_1_33 = 0.4; [L49] float var_1_34 = 64.875; [L50] float var_1_35 = 1.3; [L51] unsigned short int var_1_36 = 100; [L52] signed short int last_1_var_1_1 = 16; [L53] unsigned char last_1_var_1_6 = 10; [L54] unsigned char last_1_var_1_8 = 1; [L55] signed short int last_1_var_1_13 = 200; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L180] last_1_var_1_1 = var_1_1 [L181] last_1_var_1_6 = var_1_6 [L182] last_1_var_1_8 = var_1_8 [L183] last_1_var_1_13 = var_1_13 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L129] var_1_5 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L131] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L132] var_1_7 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L134] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L135] var_1_11 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L137] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L138] var_1_12 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L140] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L141] var_1_15 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L143] var_1_16 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L145] var_1_20 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L147] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L148] var_1_22 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L150] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L151] var_1_23 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L153] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-32, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L154] var_1_24 = __VERIFIER_nondet_short() [L155] CALL assume_abort_if_not(var_1_24 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_24 >= -32768) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L156] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L157] var_1_25 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-8, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L160] var_1_27 = __VERIFIER_nondet_long() [L161] CALL assume_abort_if_not(var_1_27 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_27 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L163] CALL assume_abort_if_not(var_1_27 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_27 != 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-256, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L164] var_1_29 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_29 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_29 >= -32768) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L166] CALL assume_abort_if_not(var_1_29 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_29 <= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=1, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L167] var_1_30 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L169] CALL assume_abort_if_not(var_1_30 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_30 <= 16) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_32=253/4, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L170] var_1_32 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_33=2/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L172] var_1_33 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_33 >= -461168.6018427382800e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 4611686.018427382800e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_33 >= -461168.6018427382800e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 4611686.018427382800e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_34=519/8, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L174] var_1_34 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_35=13/10, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L176] var_1_35 = __VERIFIER_nondet_float() [L177] CALL assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=10013/20, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=39/5, var_1_36=100, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L194] RET updateVariables() [L195] CALL step() [L59] COND FALSE !(var_1_22 || var_1_23) [L62] COND TRUE ((var_1_24 + 25) % var_1_27) < 2 [L63] var_1_26 = 8.5f [L65] EXPR var_1_29 >> var_1_30 [L65] EXPR ((var_1_27) > ((var_1_29 >> var_1_30))) ? (var_1_27) : ((var_1_29 >> var_1_30)) [L65] EXPR var_1_29 >> var_1_30 [L65] EXPR ((var_1_27) > ((var_1_29 >> var_1_30))) ? (var_1_27) : ((var_1_29 >> var_1_30)) [L65] COND FALSE !(var_1_24 > ((((var_1_27) > ((var_1_29 >> var_1_30))) ? (var_1_27) : ((var_1_29 >> var_1_30))))) [L68] COND TRUE var_1_27 > var_1_28 [L69] var_1_31 = (((((var_1_32 + ((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))))) > (var_1_35)) ? ((var_1_32 + ((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))))) : (var_1_35))) [L73] COND FALSE !(((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) < var_1_30) [L76] signed long int stepLocal_6 = last_1_var_1_1; [L77] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; [L78] COND TRUE stepLocal_5 || last_1_var_1_8 [L79] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L82] var_1_14 = var_1_16 [L87] COND FALSE !(var_1_14 <= var_1_15) [L90] COND TRUE var_1_5 >= -2 [L91] var_1_6 = (var_1_7 - 100) [L93] unsigned char stepLocal_4 = var_1_6; [L94] signed long int stepLocal_3 = var_1_6 / var_1_7; [L95] COND TRUE last_1_var_1_13 >= stepLocal_3 [L96] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L97] var_1_13 = var_1_7 [L104] unsigned char stepLocal_7 = var_1_6; [L105] COND FALSE !(stepLocal_7 > var_1_6) [L108] unsigned char stepLocal_0 = var_1_6; [L109] COND TRUE \read(var_1_19) [L110] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) [L116] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L117] unsigned char stepLocal_1 = var_1_7; [L118] COND TRUE (49.5f <= var_1_14) && stepLocal_2 [L119] COND FALSE !(var_1_13 < stepLocal_1) [L122] var_1_8 = var_1_11 [L195] RET step() [L196] CALL, EXPR property() [L186-L187] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=17/2, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=2, var_1_33=0, var_1_35=0, var_1_36=100, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-26, var_1_25=1, var_1_26=17/2, var_1_27=-25, var_1_28=10, var_1_29=-24, var_1_30=10, var_1_31=2, var_1_33=0, var_1_35=0, var_1_36=100, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 31, 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=58occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:07:47,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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_d3289061-f873-425d-9e2b-4b85e2baed46/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 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:49,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:49,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:07:49,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:49,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:49,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:49,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:49,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:49,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:49,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:49,827 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:49,827 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:49,828 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:49,828 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:49,829 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:49,829 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:49,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:49,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:49,832 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:49,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:49,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:49,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:49,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:49,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:49,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:07:49,835 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:07:49,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:07:49,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:49,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:49,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:49,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:49,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:07:49,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:49,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:49,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:49,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:49,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:49,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:49,840 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:07:49,840 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:49,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:49,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:49,841 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:49,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:49,841 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_d3289061-f873-425d-9e2b-4b85e2baed46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f62dbdf30439c22b90c0714165751cfb1215bac5efc8ba17b86c401a925f47d [2023-12-02 13:07:50,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:50,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:50,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:50,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:50,145 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:50,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-12-02 13:07:52,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:53,146 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:53,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-12-02 13:07:53,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data/9430cce8b/489371fdb0214b24b9b6a9dd881a6b48/FLAGce6cbd541 [2023-12-02 13:07:53,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/data/9430cce8b/489371fdb0214b24b9b6a9dd881a6b48 [2023-12-02 13:07:53,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:53,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:53,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:53,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:53,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:53,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44508ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53, skipping insertion in model container [2023-12-02 13:07:53,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:53,379 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_d3289061-f873-425d-9e2b-4b85e2baed46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-12-02 13:07:53,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:53,461 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:53,474 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_d3289061-f873-425d-9e2b-4b85e2baed46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-42.i[915,928] [2023-12-02 13:07:53,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:53,530 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:53,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53 WrapperNode [2023-12-02 13:07:53,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:53,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:53,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:53,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:53,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,585 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-12-02 13:07:53,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:53,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:53,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:53,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:53,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:53,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:53,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:53,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:53,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (1/1) ... [2023-12-02 13:07:53,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:53,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:53,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:07:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:07:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:07:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:53,791 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:53,793 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:54,481 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:54,527 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:54,527 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:54,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:54 BoogieIcfgContainer [2023-12-02 13:07:54,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:54,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:54,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:54,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:54,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:53" (1/3) ... [2023-12-02 13:07:54,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d976cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:54, skipping insertion in model container [2023-12-02 13:07:54,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:53" (2/3) ... [2023-12-02 13:07:54,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d976cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:54, skipping insertion in model container [2023-12-02 13:07:54,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:54" (3/3) ... [2023-12-02 13:07:54,537 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-42.i [2023-12-02 13:07:54,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:54,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:54,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:54,603 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;@410078f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:54,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 13:07:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-02 13:07:54,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:54,626 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:54,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:54,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:54,631 INFO L85 PathProgramCache]: Analyzing trace with hash 135550756, now seen corresponding path program 1 times [2023-12-02 13:07:54,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:54,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704144412] [2023-12-02 13:07:54,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:54,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:07:54,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:54,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:07:54,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:07:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:55,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:07:55,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 587 proven. 24 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2023-12-02 13:07:55,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 13:07:55,781 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:55,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704144412] [2023-12-02 13:07:55,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704144412] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:07:55,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:07:55,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-02 13:07:55,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363197510] [2023-12-02 13:07:55,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:55,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:07:55,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:55,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:07:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:07:55,827 INFO L87 Difference]: Start difference. First operand has 83 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:07:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:56,151 INFO L93 Difference]: Finished difference Result 229 states and 425 transitions. [2023-12-02 13:07:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:07:56,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-12-02 13:07:56,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:56,165 INFO L225 Difference]: With dead ends: 229 [2023-12-02 13:07:56,165 INFO L226 Difference]: Without dead ends: 147 [2023-12-02 13:07:56,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:07:56,173 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 100 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:56,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 236 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:07:56,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-02 13:07:56,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2023-12-02 13:07:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 86 states have internal predecessors, (115), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-02 13:07:56,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 227 transitions. [2023-12-02 13:07:56,232 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 227 transitions. Word has length 195 [2023-12-02 13:07:56,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:56,234 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 227 transitions. [2023-12-02 13:07:56,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:07:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 227 transitions. [2023-12-02 13:07:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-02 13:07:56,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:56,241 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:56,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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)] Ended with exit code 0 [2023-12-02 13:07:56,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:07:56,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:56,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:56,446 INFO L85 PathProgramCache]: Analyzing trace with hash -885517598, now seen corresponding path program 1 times [2023-12-02 13:07:56,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:56,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284050862] [2023-12-02 13:07:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:56,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:07:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:56,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:07:56,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:07:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:56,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:07:56,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 13:07:57,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:07:57,351 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:57,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284050862] [2023-12-02 13:07:57,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284050862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:07:57,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:07:57,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:07:57,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460563626] [2023-12-02 13:07:57,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:57,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:07:57,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:57,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:07:57,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:07:57,357 INFO L87 Difference]: Start difference. First operand 144 states and 227 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:07:57,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:57,853 INFO L93 Difference]: Finished difference Result 394 states and 618 transitions. [2023-12-02 13:07:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:07:57,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-12-02 13:07:57,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:57,867 INFO L225 Difference]: With dead ends: 394 [2023-12-02 13:07:57,867 INFO L226 Difference]: Without dead ends: 251 [2023-12-02 13:07:57,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:07:57,871 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 90 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:57,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 366 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:07:57,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-12-02 13:07:57,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 213. [2023-12-02 13:07:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 122 states have internal predecessors, (157), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-02 13:07:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 331 transitions. [2023-12-02 13:07:57,914 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 331 transitions. Word has length 195 [2023-12-02 13:07:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:57,916 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 331 transitions. [2023-12-02 13:07:57,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:07:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 331 transitions. [2023-12-02 13:07:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 13:07:57,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:57,921 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:57,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:07:58,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:07:58,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:58,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash -435714880, now seen corresponding path program 1 times [2023-12-02 13:07:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:58,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648397687] [2023-12-02 13:07:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:58,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:07:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:58,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:07:58,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 13:07:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:58,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:07:58,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 13:07:59,711 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:07:59,711 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:59,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648397687] [2023-12-02 13:07:59,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648397687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:07:59,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:07:59,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:07:59,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536097941] [2023-12-02 13:07:59,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:59,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:07:59,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:59,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:07:59,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:07:59,716 INFO L87 Difference]: Start difference. First operand 213 states and 331 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:00,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:00,532 INFO L93 Difference]: Finished difference Result 531 states and 830 transitions. [2023-12-02 13:08:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:08:00,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 13:08:00,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:00,548 INFO L225 Difference]: With dead ends: 531 [2023-12-02 13:08:00,548 INFO L226 Difference]: Without dead ends: 388 [2023-12-02 13:08:00,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:08:00,551 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 120 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:00,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 432 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 13:08:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-12-02 13:08:00,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 354. [2023-12-02 13:08:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 204 states have (on average 1.3137254901960784) internal successors, (268), 206 states have internal predecessors, (268), 143 states have call successors, (143), 6 states have call predecessors, (143), 6 states have return successors, (143), 141 states have call predecessors, (143), 143 states have call successors, (143) [2023-12-02 13:08:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 554 transitions. [2023-12-02 13:08:00,626 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 554 transitions. Word has length 196 [2023-12-02 13:08:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:00,627 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 554 transitions. [2023-12-02 13:08:00,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 554 transitions. [2023-12-02 13:08:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 13:08:00,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:00,630 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:00,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 13:08:00,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:00,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:00,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:00,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1446832130, now seen corresponding path program 1 times [2023-12-02 13:08:00,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:00,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128020197] [2023-12-02 13:08:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:00,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:00,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:00,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:08:00,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 13:08:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:01,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:08:01,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 13:08:01,294 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:08:01,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:08:01,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128020197] [2023-12-02 13:08:01,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128020197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:01,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:08:01,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:08:01,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359490102] [2023-12-02 13:08:01,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:01,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:08:01,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:01,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:08:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:08:01,298 INFO L87 Difference]: Start difference. First operand 354 states and 554 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:01,471 INFO L93 Difference]: Finished difference Result 638 states and 1003 transitions. [2023-12-02 13:08:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:08:01,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 13:08:01,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:01,484 INFO L225 Difference]: With dead ends: 638 [2023-12-02 13:08:01,484 INFO L226 Difference]: Without dead ends: 354 [2023-12-02 13:08:01,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:08:01,488 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 11 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:01,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 225 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:08:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-12-02 13:08:01,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2023-12-02 13:08:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 204 states have (on average 1.2941176470588236) internal successors, (264), 206 states have internal predecessors, (264), 143 states have call successors, (143), 6 states have call predecessors, (143), 6 states have return successors, (143), 141 states have call predecessors, (143), 143 states have call successors, (143) [2023-12-02 13:08:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 550 transitions. [2023-12-02 13:08:01,557 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 550 transitions. Word has length 196 [2023-12-02 13:08:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:01,558 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 550 transitions. [2023-12-02 13:08:01,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 550 transitions. [2023-12-02 13:08:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 13:08:01,561 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:01,561 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:01,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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)] Forceful destruction successful, exit code 0 [2023-12-02 13:08:01,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:01,762 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:01,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:01,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2038788540, now seen corresponding path program 1 times [2023-12-02 13:08:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:01,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503830003] [2023-12-02 13:08:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:01,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:01,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:01,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:08:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 13:08:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:02,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:08:02,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 13:08:03,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:04,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:08:04,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503830003] [2023-12-02 13:08:04,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503830003] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:04,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1495617678] [2023-12-02 13:08:04,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:04,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:08:04,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:08:04,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:08:04,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 13:08:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:05,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:08:05,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 13:08:06,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:08:06,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1495617678] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:06,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:08:06,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-12-02 13:08:06,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973371984] [2023-12-02 13:08:06,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:06,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:08:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:06,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:08:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:08:06,831 INFO L87 Difference]: Start difference. First operand 354 states and 550 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:11,091 INFO L93 Difference]: Finished difference Result 903 states and 1384 transitions. [2023-12-02 13:08:11,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:08:11,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 13:08:11,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:11,109 INFO L225 Difference]: With dead ends: 903 [2023-12-02 13:08:11,109 INFO L226 Difference]: Without dead ends: 760 [2023-12-02 13:08:11,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-12-02 13:08:11,112 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 181 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:11,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 514 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 13:08:11,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-12-02 13:08:11,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 678. [2023-12-02 13:08:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 406 states have (on average 1.3103448275862069) internal successors, (532), 412 states have internal predecessors, (532), 259 states have call successors, (259), 12 states have call predecessors, (259), 12 states have return successors, (259), 253 states have call predecessors, (259), 259 states have call successors, (259) [2023-12-02 13:08:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1050 transitions. [2023-12-02 13:08:11,244 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1050 transitions. Word has length 196 [2023-12-02 13:08:11,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:11,245 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1050 transitions. [2023-12-02 13:08:11,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1050 transitions. [2023-12-02 13:08:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 13:08:11,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:11,248 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:11,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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)] Ended with exit code 0 [2023-12-02 13:08:11,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 13:08:11,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:08:11,649 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:11,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1998013318, now seen corresponding path program 1 times [2023-12-02 13:08:11,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:11,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928975924] [2023-12-02 13:08:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:11,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:11,652 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:08:11,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 13:08:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:12,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:08:12,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 13:08:13,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:14,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:08:14,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928975924] [2023-12-02 13:08:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928975924] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:14,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [885706639] [2023-12-02 13:08:14,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:14,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:08:14,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:08:14,330 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:08:14,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 13:08:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:15,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:08:15,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 13:08:17,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:08:17,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [885706639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:17,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:08:17,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-12-02 13:08:17,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451322145] [2023-12-02 13:08:17,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:17,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:08:17,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:08:17,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:08:17,161 INFO L87 Difference]: Start difference. First operand 678 states and 1050 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:21,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:21,059 INFO L93 Difference]: Finished difference Result 1155 states and 1788 transitions. [2023-12-02 13:08:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:08:21,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 13:08:21,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:21,066 INFO L225 Difference]: With dead ends: 1155 [2023-12-02 13:08:21,066 INFO L226 Difference]: Without dead ends: 871 [2023-12-02 13:08:21,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-12-02 13:08:21,068 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 132 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:21,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 431 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 13:08:21,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2023-12-02 13:08:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 819. [2023-12-02 13:08:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 489 states have (on average 1.3067484662576687) internal successors, (639), 496 states have internal predecessors, (639), 315 states have call successors, (315), 14 states have call predecessors, (315), 14 states have return successors, (315), 308 states have call predecessors, (315), 315 states have call successors, (315) [2023-12-02 13:08:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1269 transitions. [2023-12-02 13:08:21,167 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1269 transitions. Word has length 196 [2023-12-02 13:08:21,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:21,167 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1269 transitions. [2023-12-02 13:08:21,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 13:08:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1269 transitions. [2023-12-02 13:08:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 13:08:21,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:21,170 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:21,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 13:08:21,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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)] Ended with exit code 0 [2023-12-02 13:08:21,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:21,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:21,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:21,571 INFO L85 PathProgramCache]: Analyzing trace with hash -425267931, now seen corresponding path program 1 times [2023-12-02 13:08:21,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:21,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436599703] [2023-12-02 13:08:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:21,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:21,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:21,573 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:08:21,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 (10)] Waiting until timeout for monitored process [2023-12-02 13:08:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:22,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:08:22,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 13:08:22,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:23,601 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:08:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436599703] [2023-12-02 13:08:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436599703] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1572823186] [2023-12-02 13:08:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:08:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:08:23,603 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:08:23,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 13:08:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:24,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:08:24,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 13:08:25,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:26,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1572823186] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:26,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209032591] [2023-12-02 13:08:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:26,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:08:26,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:08:26,041 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:08:26,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 13:08:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:26,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:08:26,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 258 proven. 84 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 13:08:27,086 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:27,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209032591] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:27,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:08:27,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-12-02 13:08:27,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565653453] [2023-12-02 13:08:27,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:08:27,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 13:08:27,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 13:08:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:08:27,594 INFO L87 Difference]: Start difference. First operand 819 states and 1269 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 13:08:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:29,324 INFO L93 Difference]: Finished difference Result 1076 states and 1631 transitions. [2023-12-02 13:08:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:08:29,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2023-12-02 13:08:29,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:29,338 INFO L225 Difference]: With dead ends: 1076 [2023-12-02 13:08:29,338 INFO L226 Difference]: Without dead ends: 750 [2023-12-02 13:08:29,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2023-12-02 13:08:29,341 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 169 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:29,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 612 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 13:08:29,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2023-12-02 13:08:29,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 662. [2023-12-02 13:08:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 391 states have (on average 1.2813299232736572) internal successors, (501), 395 states have internal predecessors, (501), 255 states have call successors, (255), 15 states have call predecessors, (255), 15 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) [2023-12-02 13:08:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1011 transitions. [2023-12-02 13:08:29,458 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1011 transitions. Word has length 197 [2023-12-02 13:08:29,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:29,459 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 1011 transitions. [2023-12-02 13:08:29,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 13:08:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1011 transitions. [2023-12-02 13:08:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 13:08:29,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:29,461 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:29,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 (10)] Forceful destruction successful, exit code 0 [2023-12-02 13:08:29,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 13:08:29,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 13:08:30,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:08:30,063 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:30,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash -32240921, now seen corresponding path program 1 times [2023-12-02 13:08:30,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:30,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934838724] [2023-12-02 13:08:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:30,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:08:30,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:30,064 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:08:30,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3289061-f873-425d-9e2b-4b85e2baed46/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)] Waiting until timeout for monitored process [2023-12-02 13:08:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:30,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 13:08:30,460 INFO L285 TraceCheckSpWp]: Computing forward predicates...