./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 90d2ecb269ea751b29d0bf6d98b8e81014506e0b0b654fb9f2949f1dc1fe64a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:56:04,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:56:04,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:56:04,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:56:04,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:56:04,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:56:04,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:56:04,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:56:04,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:56:04,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:56:04,610 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:56:04,611 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:56:04,611 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:56:04,612 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:56:04,612 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:56:04,613 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:56:04,613 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:56:04,614 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:56:04,614 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:56:04,615 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:56:04,615 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:56:04,616 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:56:04,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:56:04,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:56:04,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:56:04,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:56:04,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:56:04,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:56:04,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:56:04,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:56:04,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:56:04,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:56:04,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:56:04,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:56:04,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:56:04,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:56:04,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:56:04,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:56:04,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:56:04,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:56:04,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:56:04,630 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:56:04,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:56:04,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:56:04,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:56:04,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:56:04,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:56:04,631 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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90d2ecb269ea751b29d0bf6d98b8e81014506e0b0b654fb9f2949f1dc1fe64a3 [2023-12-02 15:56:04,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:56:04,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:56:04,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:56:04,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:56:04,869 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:56:04,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i [2023-12-02 15:56:07,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:56:07,794 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:56:07,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i [2023-12-02 15:56:07,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data/06e49aef2/0ad571470a1e4dce8db089639c62588a/FLAGf0fddafd6 [2023-12-02 15:56:07,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data/06e49aef2/0ad571470a1e4dce8db089639c62588a [2023-12-02 15:56:07,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:56:07,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:56:07,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:56:07,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:56:07,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:56:07,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:07" (1/1) ... [2023-12-02 15:56:07,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6989ef06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:07, skipping insertion in model container [2023-12-02 15:56:07,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:07" (1/1) ... [2023-12-02 15:56:07,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:56:07,979 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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i[919,932] [2023-12-02 15:56:08,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:56:08,061 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:56:08,071 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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i[919,932] [2023-12-02 15:56:08,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:56:08,123 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:56:08,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08 WrapperNode [2023-12-02 15:56:08,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:56:08,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:56:08,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:56:08,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:56:08,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,188 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2023-12-02 15:56:08,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:56:08,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:56:08,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:56:08,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:56:08,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:56:08,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:56:08,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:56:08,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:56:08,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (1/1) ... [2023-12-02 15:56:08,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:56:08,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:56:08,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:56:08,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:56:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:56:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:56:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:56:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:56:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:56:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:56:08,386 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:56:08,388 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:56:08,768 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:56:09,020 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:56:09,020 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:56:09,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:09 BoogieIcfgContainer [2023-12-02 15:56:09,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:56:09,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:56:09,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:56:09,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:56:09,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:56:07" (1/3) ... [2023-12-02 15:56:09,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749f6228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:09, skipping insertion in model container [2023-12-02 15:56:09,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:08" (2/3) ... [2023-12-02 15:56:09,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749f6228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:09, skipping insertion in model container [2023-12-02 15:56:09,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:09" (3/3) ... [2023-12-02 15:56:09,031 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i [2023-12-02 15:56:09,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:56:09,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:56:09,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:56:09,105 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;@783a8a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:56:09,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:56:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 15:56:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 15:56:09,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:09,123 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:09,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:09,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1014038448, now seen corresponding path program 1 times [2023-12-02 15:56:09,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:56:09,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125651573] [2023-12-02 15:56:09,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:09,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:56:09,303 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:56:09,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594617307] [2023-12-02 15:56:09,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:09,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:56:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:56:09,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:56:09,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:56:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:56:10,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:56:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:56:10,367 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:56:10,369 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:56:10,371 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:56:10,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:56:10,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:56:10,577 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:56:10,580 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:56:10,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:56:10 BoogieIcfgContainer [2023-12-02 15:56:10,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:56:10,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:56:10,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:56:10,691 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:56:10,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:09" (3/4) ... [2023-12-02 15:56:10,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:56:10,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:56:10,696 INFO L158 Benchmark]: Toolchain (without parser) took 2874.97ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 86.6MB in the beginning and 106.3MB in the end (delta: -19.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-12-02 15:56:10,696 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:56:10,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.20ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 70.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:56:10,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 125.8MB. Free memory was 70.7MB in the beginning and 66.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:56:10,698 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 125.8MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:56:10,699 INFO L158 Benchmark]: RCFGBuilder took 785.56ms. Allocated memory is still 125.8MB. Free memory was 63.5MB in the beginning and 91.4MB in the end (delta: -27.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-12-02 15:56:10,700 INFO L158 Benchmark]: TraceAbstraction took 1665.33ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 90.8MB in the beginning and 106.3MB in the end (delta: -15.5MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-12-02 15:56:10,700 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 153.1MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:56:10,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.20ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 70.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 125.8MB. Free memory was 70.7MB in the beginning and 66.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 125.8MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 785.56ms. Allocated memory is still 125.8MB. Free memory was 63.5MB in the beginning and 91.4MB in the end (delta: -27.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1665.33ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 90.8MB in the beginning and 106.3MB in the end (delta: -15.5MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 153.1MB. Free memory is still 106.3MB. 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 71, overapproximation of shiftRight at line 63, overapproximation of bitwiseOr at line 66, overapproximation of bitwiseAnd at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] float var_1_6 = 255.25; [L27] unsigned short int var_1_7 = 16; [L28] signed char var_1_8 = -10; [L29] signed char var_1_9 = -8; [L30] unsigned short int var_1_10 = 8; [L31] unsigned short int var_1_11 = 10000; [L32] unsigned short int var_1_12 = 5; [L33] signed short int var_1_13 = 200; [L34] unsigned char var_1_15 = 0; [L35] unsigned short int var_1_16 = 35895; [L36] unsigned short int var_1_17 = 18336; [L37] unsigned char var_1_18 = 0; [L38] signed long int var_1_19 = -50; [L39] unsigned char var_1_20 = 10; [L40] unsigned char var_1_22 = 100; [L41] unsigned char var_1_23 = 16; [L42] signed long int var_1_24 = -256; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_30 = 25; [L45] signed char var_1_32 = 1; [L46] unsigned char var_1_33 = 200; [L47] unsigned char var_1_34 = 64; [L48] unsigned char var_1_35 = 64; [L49] unsigned char var_1_36 = 8; [L50] unsigned short int var_1_37 = 500; [L51] unsigned char var_1_38 = 32; [L52] unsigned short int var_1_39 = 25; [L53] signed char last_1_var_1_8 = -10; [L54] unsigned char last_1_var_1_15 = 0; [L55] signed long int last_1_var_1_19 = -50; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L193] last_1_var_1_8 = var_1_8 [L194] last_1_var_1_15 = var_1_15 [L195] last_1_var_1_19 = var_1_19 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L144] var_1_3 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L149] var_1_6 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L151] var_1_7 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_8=-10, var_1_9=-8] [L153] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-8] [L154] var_1_9 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L156] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L157] var_1_11 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L159] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L160] var_1_12 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L162] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L163] var_1_16 = __VERIFIER_nondet_ushort() [L164] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L165] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L166] var_1_17 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L168] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L169] var_1_18 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L171] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L172] var_1_22 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L174] CALL assume_abort_if_not(var_1_22 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_22 <= 254) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L175] var_1_32 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_32 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_32 >= -128) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L177] CALL assume_abort_if_not(var_1_32 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_32 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L178] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L179] var_1_33 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L181] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L182] var_1_34 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L184] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L185] var_1_35 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_35 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_35 >= 63) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L187] CALL assume_abort_if_not(var_1_35 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_35 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L188] var_1_36 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L190] CALL assume_abort_if_not(var_1_36 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=0, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_36 <= 63) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=254, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=0, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=1, var_1_7=1, var_1_8=-10, var_1_9=-1] [L206] RET updateVariables() [L207] CALL step() [L59] COND FALSE !(var_1_7 <= -1) [L62] var_1_23 = var_1_22 [L63] EXPR var_1_22 >> var_1_4 [L63] EXPR var_1_8 & (var_1_22 >> var_1_4) [L63] COND TRUE var_1_13 >= (var_1_8 & (var_1_22 >> var_1_4)) [L64] var_1_24 = (var_1_22 - ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L70] COND TRUE var_1_16 >= (-128 & var_1_11) [L71] COND FALSE !((((((var_1_3) > (var_1_3)) ? (var_1_3) : (var_1_3))) <= var_1_3) && var_1_18) [L77] COND FALSE !(\read(var_1_18)) [L80] COND TRUE ! var_1_15 [L81] COND TRUE (var_1_9 % var_1_32) <= var_1_11 [L82] var_1_30 = (var_1_33 - ((((var_1_34) > ((var_1_35 - var_1_36))) ? (var_1_34) : ((var_1_35 - var_1_36))))) [L86] COND TRUE ((((var_1_1) > (var_1_10)) ? (var_1_1) : (var_1_10))) > var_1_32 [L87] COND TRUE ! var_1_18 [L88] COND FALSE !(\read(var_1_18)) [L93] var_1_38 = var_1_34 [L94] var_1_39 = var_1_11 [L95] signed long int stepLocal_0 = (((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)); [L96] COND FALSE !(stepLocal_0 <= last_1_var_1_8) [L103] var_1_1 = var_1_7 [L105] COND TRUE (- var_1_7) < (var_1_1 * var_1_4) [L106] var_1_8 = var_1_9 [L108] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) [L115] signed long int stepLocal_1 = var_1_16 - (var_1_17 - 256); [L116] COND FALSE !(var_1_3 != var_1_6) [L123] var_1_15 = var_1_18 [L125] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) [L126] unsigned short int stepLocal_4 = var_1_1; [L127] signed long int stepLocal_3 = var_1_7 + (128 + var_1_1); [L128] signed long int stepLocal_2 = - var_1_10; [L129] COND FALSE !(var_1_1 < stepLocal_2) [L134] COND TRUE stepLocal_4 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11) [L135] var_1_19 = ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))) [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_1 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (last_1_var_1_15 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_13 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_1 < (- var_1_10)) ? (((var_1_7 + (128 + var_1_1)) <= last_1_var_1_19) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16383, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=10, var_1_22=254, var_1_23=254, var_1_24=54, var_1_25=1, var_1_30=0, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=0, var_1_37=500, var_1_38=127, var_1_39=8191, var_1_4=1, var_1_7=1, var_1_8=-1, var_1_9=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16383, var_1_11=8191, var_1_12=1858, var_1_13=200, var_1_15=0, var_1_16=65535, var_1_17=16383, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=10, var_1_22=254, var_1_23=254, var_1_24=54, var_1_25=1, var_1_30=0, var_1_32=-2, var_1_33=127, var_1_34=127, var_1_35=127, var_1_36=0, var_1_37=500, var_1_38=127, var_1_39=8191, var_1_4=1, var_1_7=1, var_1_8=-1, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 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 15:56:10,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 90d2ecb269ea751b29d0bf6d98b8e81014506e0b0b654fb9f2949f1dc1fe64a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:56:12,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:56:12,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:56:12,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:56:12,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:56:12,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:56:12,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:56:12,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:56:12,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:56:12,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:56:12,780 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:56:12,780 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:56:12,781 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:56:12,781 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:56:12,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:56:12,782 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:56:12,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:56:12,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:56:12,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:56:12,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:56:12,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:56:12,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:56:12,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:56:12,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:56:12,787 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:56:12,788 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:56:12,788 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:56:12,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:56:12,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:56:12,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:56:12,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:56:12,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:56:12,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:56:12,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:56:12,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:56:12,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:56:12,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:56:12,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:56:12,792 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:56:12,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:56:12,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:56:12,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:56:12,794 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:56:12,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:56:12,795 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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90d2ecb269ea751b29d0bf6d98b8e81014506e0b0b654fb9f2949f1dc1fe64a3 [2023-12-02 15:56:13,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:56:13,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:56:13,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:56:13,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:56:13,098 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:56:13,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i [2023-12-02 15:56:15,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:56:18,128 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:56:18,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i [2023-12-02 15:56:18,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data/82f9b4a8b/4e963d39ad394a87831c9be8e7bcb864/FLAG83def81f8 [2023-12-02 15:56:18,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/data/82f9b4a8b/4e963d39ad394a87831c9be8e7bcb864 [2023-12-02 15:56:18,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:56:18,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:56:18,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:56:18,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:56:18,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:56:18,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6535be94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18, skipping insertion in model container [2023-12-02 15:56:18,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:56:18,350 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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i[919,932] [2023-12-02 15:56:18,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:56:18,433 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:56:18,446 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_6f5319c8-035d-41e2-a1db-755ba1cd3aca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i[919,932] [2023-12-02 15:56:18,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:56:18,499 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:56:18,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18 WrapperNode [2023-12-02 15:56:18,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:56:18,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:56:18,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:56:18,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:56:18,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,552 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-12-02 15:56:18,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:56:18,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:56:18,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:56:18,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:56:18,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:56:18,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:56:18,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:56:18,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:56:18,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (1/1) ... [2023-12-02 15:56:18,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:56:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:56:18,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:56:18,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:56:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:56:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:56:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:56:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:56:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:56:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:56:18,768 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:56:18,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:56:20,234 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:56:20,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:56:20,280 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:56:20,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:20 BoogieIcfgContainer [2023-12-02 15:56:20,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:56:20,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:56:20,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:56:20,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:56:20,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:56:18" (1/3) ... [2023-12-02 15:56:20,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3cd50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:20, skipping insertion in model container [2023-12-02 15:56:20,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:18" (2/3) ... [2023-12-02 15:56:20,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3cd50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:20, skipping insertion in model container [2023-12-02 15:56:20,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:20" (3/3) ... [2023-12-02 15:56:20,290 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-77.i [2023-12-02 15:56:20,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:56:20,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:56:20,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:56:20,356 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;@2f5828b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:56:20,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:56:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 15:56:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:56:20,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:20,377 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:20,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:20,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash -650653223, now seen corresponding path program 1 times [2023-12-02 15:56:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:56:20,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146732583] [2023-12-02 15:56:20,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:20,399 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 15:56:20,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:56:20,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:20,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:20,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:56:20,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 854 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2023-12-02 15:56:20,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:56:20,775 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:56:20,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146732583] [2023-12-02 15:56:20,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146732583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:56:20,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:56:20,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:56:20,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737813502] [2023-12-02 15:56:20,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:56:20,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:56:20,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:56:20,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:56:20,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:56:20,815 INFO L87 Difference]: Start difference. First operand has 87 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 15:56:21,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:56:21,247 INFO L93 Difference]: Finished difference Result 171 states and 314 transitions. [2023-12-02 15:56:21,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:56:21,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 197 [2023-12-02 15:56:21,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:56:21,268 INFO L225 Difference]: With dead ends: 171 [2023-12-02 15:56:21,268 INFO L226 Difference]: Without dead ends: 85 [2023-12-02 15:56:21,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 196 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 15:56:21,275 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:56:21,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:56:21,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-02 15:56:21,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-12-02 15:56:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 15:56:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 136 transitions. [2023-12-02 15:56:21,318 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 136 transitions. Word has length 197 [2023-12-02 15:56:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:56:21,319 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 136 transitions. [2023-12-02 15:56:21,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 15:56:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2023-12-02 15:56:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:56:21,324 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:21,325 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:21,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:21,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:21,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:21,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1915326999, now seen corresponding path program 1 times [2023-12-02 15:56:21,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:56:21,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49799384] [2023-12-02 15:56:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:21,528 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 15:56:21,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:56:21,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:21,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:21,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:56:21,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1003 proven. 39 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2023-12-02 15:56:22,149 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:56:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 15:56:22,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:56:22,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49799384] [2023-12-02 15:56:22,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49799384] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:56:22,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1775810468] [2023-12-02 15:56:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:22,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:56:22,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:56:22,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:56:22,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 15:56:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:22,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:56:22,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 15:56:23,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:56:23,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1775810468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:56:23,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:56:23,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-12-02 15:56:23,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319293233] [2023-12-02 15:56:23,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:56:23,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:56:23,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:56:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:56:23,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:56:23,048 INFO L87 Difference]: Start difference. First operand 85 states and 136 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 15:56:23,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:56:23,687 INFO L93 Difference]: Finished difference Result 168 states and 269 transitions. [2023-12-02 15:56:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:56:23,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-12-02 15:56:23,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:56:23,700 INFO L225 Difference]: With dead ends: 168 [2023-12-02 15:56:23,700 INFO L226 Difference]: Without dead ends: 84 [2023-12-02 15:56:23,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 581 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:56:23,703 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 3 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:56:23,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 254 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 15:56:23,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-02 15:56:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-02 15:56:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 15:56:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 133 transitions. [2023-12-02 15:56:23,718 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 133 transitions. Word has length 197 [2023-12-02 15:56:23,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:56:23,720 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 133 transitions. [2023-12-02 15:56:23,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 15:56:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2023-12-02 15:56:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 15:56:23,724 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:23,725 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:23,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 15:56:23,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:24,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:24,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:24,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1922953495, now seen corresponding path program 1 times [2023-12-02 15:56:24,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:56:24,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496605040] [2023-12-02 15:56:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:24,129 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 15:56:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:56:24,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:24,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:24,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:56:24,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1003 proven. 39 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2023-12-02 15:56:24,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:56:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 15:56:24,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:56:24,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496605040] [2023-12-02 15:56:24,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496605040] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:56:24,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1721823089] [2023-12-02 15:56:24,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:24,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:56:24,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:56:24,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:56:24,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 15:56:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:25,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 15:56:25,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1062 proven. 114 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-12-02 15:56:26,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:56:26,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1721823089] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:56:26,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802601518] [2023-12-02 15:56:26,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:56:26,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:56:26,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:56:26,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 15:56:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:26,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:56:26,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1062 proven. 114 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-12-02 15:56:27,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:56:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802601518] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:56:27,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-12-02 15:56:27,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 8, 8] total 11 [2023-12-02 15:56:27,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123223666] [2023-12-02 15:56:27,477 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-12-02 15:56:27,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 15:56:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:56:27,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 15:56:27,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:56:27,481 INFO L87 Difference]: Start difference. First operand 84 states and 133 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (66), 4 states have call predecessors, (66), 7 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-12-02 15:56:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:56:28,480 INFO L93 Difference]: Finished difference Result 185 states and 280 transitions. [2023-12-02 15:56:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 15:56:28,493 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (66), 4 states have call predecessors, (66), 7 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) Word has length 197 [2023-12-02 15:56:28,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:56:28,496 INFO L225 Difference]: With dead ends: 185 [2023-12-02 15:56:28,496 INFO L226 Difference]: Without dead ends: 102 [2023-12-02 15:56:28,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1009 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2023-12-02 15:56:28,500 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 261 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:56:28,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 166 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 15:56:28,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-02 15:56:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 96. [2023-12-02 15:56:28,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 15:56:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2023-12-02 15:56:28,518 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 197 [2023-12-02 15:56:28,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:56:28,519 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2023-12-02 15:56:28,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (66), 4 states have call predecessors, (66), 7 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-12-02 15:56:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2023-12-02 15:56:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 15:56:28,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:28,523 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:28,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:28,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 15:56:28,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 15:56:29,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:56:29,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:29,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash -681082485, now seen corresponding path program 1 times [2023-12-02 15:56:29,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:56:29,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151986254] [2023-12-02 15:56:29,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:29,138 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 15:56:29,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:56:29,139 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:29,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:29,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:56:29,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:56:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 15:56:29,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:56:29,671 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:56:29,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151986254] [2023-12-02 15:56:29,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151986254] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:56:29,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:56:29,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:56:29,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340682979] [2023-12-02 15:56:29,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:56:29,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:56:29,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:56:29,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:56:29,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:56:29,673 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 15:56:30,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:56:30,611 INFO L93 Difference]: Finished difference Result 277 states and 398 transitions. [2023-12-02 15:56:30,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:56:30,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2023-12-02 15:56:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:56:30,614 INFO L225 Difference]: With dead ends: 277 [2023-12-02 15:56:30,614 INFO L226 Difference]: Without dead ends: 182 [2023-12-02 15:56:30,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:56:30,617 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 23 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:56:30,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 242 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 15:56:30,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-12-02 15:56:30,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 170. [2023-12-02 15:56:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 97 states have (on average 1.1649484536082475) internal successors, (113), 97 states have internal predecessors, (113), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-02 15:56:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 241 transitions. [2023-12-02 15:56:30,650 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 241 transitions. Word has length 199 [2023-12-02 15:56:30,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:56:30,651 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 241 transitions. [2023-12-02 15:56:30,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-02 15:56:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 241 transitions. [2023-12-02 15:56:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 15:56:30,654 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:30,655 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:30,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-02 15:56:30,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:30,856 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:30,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:30,856 INFO L85 PathProgramCache]: Analyzing trace with hash -27113965, now seen corresponding path program 1 times [2023-12-02 15:56:30,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:56:30,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438674048] [2023-12-02 15:56:30,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:30,857 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 15:56:30,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:56:30,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 15:56:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5319c8-035d-41e2-a1db-755ba1cd3aca/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 (9)] Waiting until timeout for monitored process [2023-12-02 15:56:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:56:31,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 15:56:31,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:57:26,954 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)