./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 d4260f80e7a3ca7c277b571ad62597d9b85d09ed8654c7fb0415bffe8bafbe59 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:20:57,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:20:57,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:20:57,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:20:57,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:20:57,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:20:57,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:20:57,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:20:57,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:20:57,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:20:57,377 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:20:57,377 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:20:57,378 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:20:57,378 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:20:57,379 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:20:57,379 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:20:57,380 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:20:57,380 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:20:57,381 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:20:57,381 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:20:57,381 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:20:57,382 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:20:57,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:20:57,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:20:57,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:20:57,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:20:57,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:20:57,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:20:57,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:20:57,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:20:57,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:20:57,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:20:57,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:20:57,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:20:57,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:20:57,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:20:57,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:20:57,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:20:57,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:20:57,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:20:57,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:20:57,388 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:20:57,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:20:57,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:20:57,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:20:57,388 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:20:57,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:20:57,389 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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4260f80e7a3ca7c277b571ad62597d9b85d09ed8654c7fb0415bffe8bafbe59 [2023-12-02 18:20:57,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:20:57,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:20:57,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:20:57,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:20:57,648 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:20:57,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i [2023-12-02 18:21:00,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:21:00,583 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:21:00,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i [2023-12-02 18:21:00,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data/8d3fe068c/c9510440ad7949d6930a9949ebb48222/FLAGa8005a34d [2023-12-02 18:21:00,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data/8d3fe068c/c9510440ad7949d6930a9949ebb48222 [2023-12-02 18:21:00,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:21:00,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:21:00,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:21:00,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:21:00,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:21:00,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:00,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154ddaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00, skipping insertion in model container [2023-12-02 18:21:00,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:00,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:21:00,830 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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i[919,932] [2023-12-02 18:21:00,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:21:00,907 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:21:00,920 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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i[919,932] [2023-12-02 18:21:00,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:21:00,973 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:21:00,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00 WrapperNode [2023-12-02 18:21:00,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:21:00,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:21:00,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:21:00,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:21:00,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:00,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,034 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-12-02 18:21:01,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:21:01,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:21:01,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:21:01,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:21:01,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:21:01,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:21:01,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:21:01,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:21:01,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (1/1) ... [2023-12-02 18:21:01,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:21:01,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:21:01,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:21:01,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:21:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:21:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:21:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:21:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:21:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:21:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:21:01,244 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:21:01,246 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:21:01,607 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:21:01,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:21:01,859 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:21:01,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:01 BoogieIcfgContainer [2023-12-02 18:21:01,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:21:01,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:21:01,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:21:01,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:21:01,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:21:00" (1/3) ... [2023-12-02 18:21:01,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe921f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:21:01, skipping insertion in model container [2023-12-02 18:21:01,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:00" (2/3) ... [2023-12-02 18:21:01,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe921f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:21:01, skipping insertion in model container [2023-12-02 18:21:01,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:01" (3/3) ... [2023-12-02 18:21:01,869 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i [2023-12-02 18:21:01,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:21:01,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:21:01,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:21:01,944 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;@17a1c251, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:21:01,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:21:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 18:21:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 18:21:01,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:01,962 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:21:01,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:01,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:01,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1799292296, now seen corresponding path program 1 times [2023-12-02 18:21:01,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:21:01,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523992231] [2023-12-02 18:21:01,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:01,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:21:02,128 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:21:02,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685043581] [2023-12-02 18:21:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:02,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:21:02,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:21:02,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:21:02,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:21:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:21:02,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:21:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:21:02,738 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:21:02,740 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:21:02,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:21:02,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:21:02,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:21:02,947 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:21:02,951 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:21:03,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:21:03 BoogieIcfgContainer [2023-12-02 18:21:03,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:21:03,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:21:03,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:21:03,065 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:21:03,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:01" (3/4) ... [2023-12-02 18:21:03,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:21:03,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:21:03,069 INFO L158 Benchmark]: Toolchain (without parser) took 2447.39ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 74.7MB in the end (delta: 62.8MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2023-12-02 18:21:03,069 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:21:03,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.47ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 132.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:21:03,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.25ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 127.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:21:03,071 INFO L158 Benchmark]: Boogie Preprocessor took 49.66ms. Allocated memory is still 174.1MB. Free memory was 127.7MB in the beginning and 125.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:21:03,072 INFO L158 Benchmark]: RCFGBuilder took 774.43ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 130.1MB in the end (delta: -5.0MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-12-02 18:21:03,072 INFO L158 Benchmark]: TraceAbstraction took 1201.01ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 75.5MB in the end (delta: 53.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-02 18:21:03,073 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 174.1MB. Free memory was 75.5MB in the beginning and 74.7MB in the end (delta: 829.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:21:03,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.47ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 132.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.25ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 127.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.66ms. Allocated memory is still 174.1MB. Free memory was 127.7MB in the beginning and 125.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.43ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 130.1MB in the end (delta: -5.0MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1201.01ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 75.5MB in the end (delta: 53.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 174.1MB. Free memory was 75.5MB in the beginning and 74.7MB in the end (delta: 829.2kB). 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 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someUnaryFLOAToperation at line 122. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -10; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_7 = 1; [L25] unsigned char var_1_8 = 0; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 1; [L28] unsigned long int var_1_11 = 16; [L29] signed short int var_1_12 = -32; [L30] unsigned char var_1_15 = 8; [L31] unsigned char var_1_17 = 100; [L32] unsigned char var_1_18 = 10; [L33] signed long int var_1_19 = 1; [L34] unsigned char var_1_20 = 5; [L35] float var_1_21 = 25.5; [L36] signed long int var_1_23 = -5; [L37] float var_1_24 = 1.125; [L38] float var_1_25 = 15.25; [L39] signed long int var_1_26 = 5; [L40] unsigned char var_1_28 = 16; [L41] double var_1_29 = 256.5; [L42] signed short int var_1_31 = 32; [L43] double var_1_36 = 10000000000000.25; [L44] double var_1_37 = 256.8; [L45] unsigned char var_1_38 = 1; [L46] signed char var_1_39 = -1; [L47] signed char var_1_40 = 32; [L48] signed long int var_1_42 = 256; [L49] float var_1_44 = 100000000000.9; [L50] unsigned short int var_1_48 = 1; [L51] unsigned char last_1_var_1_4 = 0; [L52] unsigned char last_1_var_1_15 = 8; [L53] signed long int last_1_var_1_19 = 1; [L54] float last_1_var_1_21 = 25.5; [L55] signed long int last_1_var_1_26 = 5; [L56] unsigned char last_1_var_1_28 = 16; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L174] last_1_var_1_4 = var_1_4 [L175] last_1_var_1_15 = var_1_15 [L176] last_1_var_1_19 = var_1_19 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_26 = var_1_26 [L179] last_1_var_1_28 = var_1_28 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L129] var_1_7 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_8=0, var_1_9=0] [L131] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L132] var_1_8 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_9=0] [L134] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L135] var_1_9 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L138] var_1_10 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L141] var_1_12 = __VERIFIER_nondet_short() [L142] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L143] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L148] var_1_18 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L151] var_1_20 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_20 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_20 <= 255) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L155] var_1_23 = __VERIFIER_nondet_long() [L156] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L158] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L159] var_1_24 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L161] var_1_25 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L163] var_1_36 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L165] CALL assume_abort_if_not(var_1_36 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_36 != 0.0F) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L166] var_1_39 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_39 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_39 >= -1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L168] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L169] var_1_40 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L171] CALL assume_abort_if_not(var_1_40 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_40 <= 127) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=-10, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=127, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L190] RET updateVariables() [L191] CALL step() [L60] COND FALSE !((last_1_var_1_28 / var_1_12) <= last_1_var_1_19) [L63] COND TRUE ((((last_1_var_1_21) < (-0.5)) ? (last_1_var_1_21) : (-0.5))) > (10.9 * last_1_var_1_21) [L64] COND FALSE !(\read(last_1_var_1_4)) [L67] var_1_15 = var_1_18 [L70] var_1_1 = (var_1_15 + var_1_15) [L71] var_1_28 = var_1_17 [L72] COND TRUE var_1_9 || ((var_1_11 + last_1_var_1_26) <= 4) [L73] var_1_26 = (var_1_28 - var_1_20) [L77] COND FALSE !(((~ var_1_28) * var_1_1) >= (var_1_15 % var_1_23)) [L80] COND FALSE !((var_1_21 + 9.999999999999994E14f) < (- var_1_21)) [L83] COND TRUE \read(var_1_7) [L84] var_1_4 = ((var_1_8 || var_1_9) && var_1_10) [L87] unsigned char stepLocal_1 = var_1_17; [L88] signed long int stepLocal_0 = var_1_15 % var_1_20; [L89] COND TRUE stepLocal_0 != var_1_1 [L90] COND FALSE !(var_1_18 == stepLocal_1) [L98] var_1_29 = var_1_25 [L99] COND TRUE \read(var_1_4) [L100] var_1_31 = ((((var_1_17) > (var_1_28)) ? (var_1_17) : (var_1_28))) [L112] var_1_37 = var_1_25 [L113] COND TRUE (var_1_39 - ((((32) < (var_1_40)) ? (32) : (var_1_40)))) > var_1_17 [L114] var_1_38 = ((32.5f >= var_1_24) || (var_1_7 || var_1_10)) [L116] COND FALSE !(! var_1_10) [L119] COND FALSE !((var_1_21 + ((((var_1_25) > (var_1_21)) ? (var_1_25) : (var_1_21)))) < ((((var_1_36) > ((var_1_21 + var_1_25))) ? (var_1_36) : ((var_1_21 + var_1_25))))) [L126] var_1_48 = var_1_40 [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((var_1_1 == ((signed long int) (var_1_15 + var_1_15))) && (((var_1_21 + 9.999999999999994E14f) < (- var_1_21)) ? (var_1_4 == ((unsigned char) (var_1_7 && var_1_8))) : (var_1_7 ? (var_1_4 == ((unsigned char) ((var_1_8 || var_1_9) && var_1_10))) : 1))) && (((last_1_var_1_28 / var_1_12) <= last_1_var_1_19) ? (var_1_11 == ((unsigned long int) ((((last_1_var_1_28) > (last_1_var_1_15)) ? (last_1_var_1_28) : (last_1_var_1_15))))) : 1)) && ((((((last_1_var_1_21) < (-0.5)) ? (last_1_var_1_21) : (-0.5))) > (10.9 * last_1_var_1_21)) ? (last_1_var_1_4 ? (var_1_15 == ((unsigned char) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_18)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_18))))) : (var_1_15 == ((unsigned char) var_1_18))) : 1)) && (((var_1_15 % var_1_20) != var_1_1) ? ((var_1_18 == var_1_17) ? (var_1_4 ? (var_1_19 == ((signed long int) var_1_18)) : (var_1_19 == ((signed long int) var_1_26))) : 1) : 1)) && ((((~ var_1_28) * var_1_1) >= (var_1_15 % var_1_23)) ? (var_1_21 == ((float) ((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))))) : 1)) && ((var_1_9 || ((var_1_11 + last_1_var_1_26) <= 4)) ? (var_1_26 == ((signed long int) (var_1_28 - var_1_20))) : (var_1_26 == ((signed long int) (var_1_20 - var_1_17))))) && (var_1_28 == ((unsigned char) var_1_17)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=16, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=0, var_1_25=2, var_1_26=2, var_1_28=10, var_1_29=2, var_1_31=10, var_1_37=2, var_1_38=1, var_1_39=127, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=0, var_1_4=1, var_1_7=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=8, var_1_15=8, var_1_17=10, var_1_18=8, var_1_19=1, var_1_1=16, var_1_20=8, var_1_21=51/2, var_1_23=-9, var_1_24=0, var_1_25=2, var_1_26=2, var_1_28=10, var_1_29=2, var_1_31=10, var_1_37=2, var_1_38=1, var_1_39=127, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=0, var_1_4=1, var_1_7=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 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 18:21:03,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 d4260f80e7a3ca7c277b571ad62597d9b85d09ed8654c7fb0415bffe8bafbe59 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:21:05,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:21:05,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:21:05,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:21:05,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:21:05,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:21:05,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:21:05,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:21:05,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:21:05,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:21:05,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:21:05,263 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:21:05,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:21:05,264 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:21:05,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:21:05,265 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:21:05,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:21:05,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:21:05,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:21:05,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:21:05,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:21:05,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:21:05,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:21:05,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:21:05,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:21:05,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:21:05,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:21:05,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:21:05,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:21:05,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:21:05,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:21:05,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:21:05,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:21:05,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:21:05,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:21:05,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:21:05,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:21:05,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:21:05,276 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:21:05,277 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:21:05,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:21:05,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:21:05,278 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:21:05,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:21:05,278 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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4260f80e7a3ca7c277b571ad62597d9b85d09ed8654c7fb0415bffe8bafbe59 [2023-12-02 18:21:05,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:21:05,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:21:05,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:21:05,621 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:21:05,621 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:21:05,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i [2023-12-02 18:21:08,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:21:08,664 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:21:08,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i [2023-12-02 18:21:08,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data/478539d20/bd568ff209d74ea4adec98a7754a7233/FLAG9a30a5e3c [2023-12-02 18:21:08,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/data/478539d20/bd568ff209d74ea4adec98a7754a7233 [2023-12-02 18:21:08,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:21:08,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:21:08,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:21:08,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:21:08,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:21:08,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:08" (1/1) ... [2023-12-02 18:21:08,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3171329a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:08, skipping insertion in model container [2023-12-02 18:21:08,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:08" (1/1) ... [2023-12-02 18:21:08,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:21:08,894 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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i[919,932] [2023-12-02 18:21:08,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:21:08,985 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:21:08,996 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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i[919,932] [2023-12-02 18:21:09,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:21:09,073 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:21:09,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09 WrapperNode [2023-12-02 18:21:09,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:21:09,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:21:09,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:21:09,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:21:09,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,153 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-12-02 18:21:09,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:21:09,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:21:09,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:21:09,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:21:09,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:21:09,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:21:09,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:21:09,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:21:09,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (1/1) ... [2023-12-02 18:21:09,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:21:09,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:21:09,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:21:09,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:21:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:21:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:21:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:21:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:21:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:21:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:21:09,383 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:21:09,385 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:21:31,612 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:21:31,688 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:21:31,688 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:21:31,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:31 BoogieIcfgContainer [2023-12-02 18:21:31,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:21:31,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:21:31,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:21:31,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:21:31,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:21:08" (1/3) ... [2023-12-02 18:21:31,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439df72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:21:31, skipping insertion in model container [2023-12-02 18:21:31,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:09" (2/3) ... [2023-12-02 18:21:31,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439df72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:21:31, skipping insertion in model container [2023-12-02 18:21:31,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:31" (3/3) ... [2023-12-02 18:21:31,698 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-14.i [2023-12-02 18:21:31,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:21:31,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:21:31,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:21:31,773 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;@58cc6155, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:21:31,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:21:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 47 states have (on average 1.5106382978723405) internal successors, (71), 48 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 18:21:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-02 18:21:31,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:31,797 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:21:31,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:31,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:31,804 INFO L85 PathProgramCache]: Analyzing trace with hash 433600510, now seen corresponding path program 1 times [2023-12-02 18:21:31,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:31,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294970262] [2023-12-02 18:21:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:31,818 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 18:21:31,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:31,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:31,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:32,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:21:32,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 1268 trivial. 0 not checked. [2023-12-02 18:21:32,533 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:21:32,534 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:21:32,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294970262] [2023-12-02 18:21:32,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294970262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:21:32,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:21:32,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:21:32,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781918754] [2023-12-02 18:21:32,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:21:32,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:21:32,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:21:32,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:21:32,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:21:32,577 INFO L87 Difference]: Start difference. First operand has 79 states, 47 states have (on average 1.5106382978723405) internal successors, (71), 48 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 18:21:34,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:34,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:21:34,873 INFO L93 Difference]: Finished difference Result 155 states and 285 transitions. [2023-12-02 18:21:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:21:34,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 178 [2023-12-02 18:21:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:21:34,941 INFO L225 Difference]: With dead ends: 155 [2023-12-02 18:21:34,941 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 18:21:34,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:21:34,948 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:21:34,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 18:21:34,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 18:21:35,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 18:21:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 46 states have internal predecessors, (65), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 18:21:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 123 transitions. [2023-12-02 18:21:35,005 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 123 transitions. Word has length 178 [2023-12-02 18:21:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:21:35,006 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 123 transitions. [2023-12-02 18:21:35,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 18:21:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-12-02 18:21:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-02 18:21:35,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:35,012 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:21:35,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:21:35,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:35,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:35,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:35,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1302893772, now seen corresponding path program 1 times [2023-12-02 18:21:35,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:35,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571233435] [2023-12-02 18:21:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:35,216 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 18:21:35,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:35,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:35,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:35,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:21:35,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 18:21:38,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:21:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 18:21:40,244 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:21:40,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571233435] [2023-12-02 18:21:40,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571233435] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:21:40,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [687986178] [2023-12-02 18:21:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:40,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:21:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:21:40,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:21:40,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:21:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:41,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:21:41,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 18:21:45,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:21:45,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [687986178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:21:45,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:21:45,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-12-02 18:21:45,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598207455] [2023-12-02 18:21:45,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:21:45,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:21:45,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:21:45,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:21:45,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-02 18:21:45,294 INFO L87 Difference]: Start difference. First operand 77 states and 123 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 18:21:49,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:50,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:21:55,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:21:55,038 INFO L93 Difference]: Finished difference Result 281 states and 450 transitions. [2023-12-02 18:21:55,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:21:55,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 178 [2023-12-02 18:21:55,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:21:55,045 INFO L225 Difference]: With dead ends: 281 [2023-12-02 18:21:55,045 INFO L226 Difference]: Without dead ends: 205 [2023-12-02 18:21:55,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 521 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:21:55,048 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 141 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:21:55,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 524 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2023-12-02 18:21:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-12-02 18:21:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 150. [2023-12-02 18:21:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 18:21:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 240 transitions. [2023-12-02 18:21:55,101 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 240 transitions. Word has length 178 [2023-12-02 18:21:55,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:21:55,103 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 240 transitions. [2023-12-02 18:21:55,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 18:21:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2023-12-02 18:21:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 18:21:55,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:55,108 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:21:55,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:55,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:21:55,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:21:55,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:55,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:55,512 INFO L85 PathProgramCache]: Analyzing trace with hash -84482761, now seen corresponding path program 1 times [2023-12-02 18:21:55,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:55,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406607944] [2023-12-02 18:21:55,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:55,513 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 18:21:55,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:55,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:55,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:21:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:56,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:21:56,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 18:22:02,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:22:02,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:22:02,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406607944] [2023-12-02 18:22:02,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406607944] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:22:02,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:22:02,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:22:02,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8616302] [2023-12-02 18:22:02,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:22:02,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:22:02,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:22:02,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:22:02,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:22:02,355 INFO L87 Difference]: Start difference. First operand 150 states and 240 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 18:22:04,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:08,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:12,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:16,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:21,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:22,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:25,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:27,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:29,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:22:29,429 INFO L93 Difference]: Finished difference Result 225 states and 358 transitions. [2023-12-02 18:22:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:22:29,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 179 [2023-12-02 18:22:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:22:29,496 INFO L225 Difference]: With dead ends: 225 [2023-12-02 18:22:29,496 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 18:22:29,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:22:29,499 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 97 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 60 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:22:29,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 97 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 12 Invalid, 8 Unknown, 0 Unchecked, 27.0s Time] [2023-12-02 18:22:29,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 18:22:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-02 18:22:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 18:22:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions. [2023-12-02 18:22:29,521 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 117 transitions. Word has length 179 [2023-12-02 18:22:29,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:22:29,522 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 117 transitions. [2023-12-02 18:22:29,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 18:22:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2023-12-02 18:22:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 18:22:29,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:22:29,527 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:22:29,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 18:22:29,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:22:29,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:22:29,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:22:29,729 INFO L85 PathProgramCache]: Analyzing trace with hash 297590166, now seen corresponding path program 1 times [2023-12-02 18:22:29,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:22:29,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278748688] [2023-12-02 18:22:29,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:29,730 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 18:22:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:22:29,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:22:29,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:22:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:30,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:22:30,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 568 proven. 66 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 18:22:33,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:22:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 18:22:34,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:22:34,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278748688] [2023-12-02 18:22:34,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278748688] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:22:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [414539586] [2023-12-02 18:22:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:34,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:22:34,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:22:34,567 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:22:34,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 18:22:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:35,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:22:35,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 18:22:35,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:22:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [414539586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:22:35,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:22:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 8 [2023-12-02 18:22:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726899070] [2023-12-02 18:22:35,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:22:35,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:22:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:22:35,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:22:35,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 18:22:35,646 INFO L87 Difference]: Start difference. First operand 76 states and 117 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 18:22:38,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:40,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:42,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:44,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:46,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:48,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:22:48,620 INFO L93 Difference]: Finished difference Result 234 states and 348 transitions. [2023-12-02 18:22:48,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:22:48,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 180 [2023-12-02 18:22:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:22:48,625 INFO L225 Difference]: With dead ends: 234 [2023-12-02 18:22:48,625 INFO L226 Difference]: Without dead ends: 159 [2023-12-02 18:22:48,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 530 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:22:48,627 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 118 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 30 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:22:48,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 321 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 61 Invalid, 4 Unknown, 0 Unchecked, 12.8s Time] [2023-12-02 18:22:48,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-12-02 18:22:48,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 112. [2023-12-02 18:22:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 74 states have (on average 1.364864864864865) internal successors, (101), 75 states have internal predecessors, (101), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:22:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 171 transitions. [2023-12-02 18:22:48,658 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 171 transitions. Word has length 180 [2023-12-02 18:22:48,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:22:48,659 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 171 transitions. [2023-12-02 18:22:48,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 18:22:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2023-12-02 18:22:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 18:22:48,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:22:48,664 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:22:48,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:22:48,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 18:22:49,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:22:49,070 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:22:49,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:22:49,070 INFO L85 PathProgramCache]: Analyzing trace with hash 299437208, now seen corresponding path program 1 times [2023-12-02 18:22:49,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:22:49,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597526262] [2023-12-02 18:22:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:49,071 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 18:22:49,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:22:49,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:22:49,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4b558d-839c-47dd-98d2-6dadbdaae19f/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 18:22:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:49,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 18:22:49,656 INFO L285 TraceCheckSpWp]: Computing forward predicates...