./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ --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 3fc583e741ffe99075b24df1c1eb2737969039ee55b26e24229cc0be1d9190a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:02,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:03,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:23:03,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:03,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:03,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:03,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:03,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:03,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:03,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:03,189 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:03,190 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:03,191 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:03,193 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:23:03,193 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:03,194 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:03,194 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:23:03,195 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:23:03,195 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:03,196 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:23:03,196 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:23:03,197 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:23:03,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:03,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:03,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:03,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:23:03,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:03,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:03,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:03,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:03,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:03,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:03,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:03,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:03,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:03,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:03,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:03,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:03,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:03,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:03,208 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:23:03,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:23:03,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:03,209 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:03,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:03,210 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_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc583e741ffe99075b24df1c1eb2737969039ee55b26e24229cc0be1d9190a8 [2023-11-19 05:23:03,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:03,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:03,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:03,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:03,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:03,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i [2023-11-19 05:23:06,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:07,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:07,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i [2023-11-19 05:23:07,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data/05fbb164a/487004b77ea3494c9187a9427183d2da/FLAG365b90a9c [2023-11-19 05:23:07,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data/05fbb164a/487004b77ea3494c9187a9427183d2da [2023-11-19 05:23:07,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:07,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:07,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:07,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:07,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:07,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144d1352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07, skipping insertion in model container [2023-11-19 05:23:07,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:07,262 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_7adeb702-c023-4854-8830-083b020b3451/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i[919,932] [2023-11-19 05:23:07,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:07,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:07,378 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_7adeb702-c023-4854-8830-083b020b3451/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i[919,932] [2023-11-19 05:23:07,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:07,458 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:07,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07 WrapperNode [2023-11-19 05:23:07,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:07,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:07,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:07,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:07,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,566 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2023-11-19 05:23:07,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:07,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:07,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:07,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:07,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:07,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:07,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:07,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:07,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (1/1) ... [2023-11-19 05:23:07,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:07,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:07,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:07,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:23:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:07,916 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:07,918 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:08,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:08,851 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:08,851 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:08,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:08 BoogieIcfgContainer [2023-11-19 05:23:08,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:08,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:08,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:08,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:08,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:07" (1/3) ... [2023-11-19 05:23:08,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d22355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:08, skipping insertion in model container [2023-11-19 05:23:08,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:07" (2/3) ... [2023-11-19 05:23:08,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d22355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:08, skipping insertion in model container [2023-11-19 05:23:08,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:08" (3/3) ... [2023-11-19 05:23:08,871 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i [2023-11-19 05:23:08,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:08,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:08,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:08,950 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;@792632a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:08,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 05:23:08,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:08,967 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:08,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:08,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:08,974 INFO L85 PathProgramCache]: Analyzing trace with hash -589270140, now seen corresponding path program 1 times [2023-11-19 05:23:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:08,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666007009] [2023-11-19 05:23:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:08,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:09,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:23:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:10,410 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:23:10,414 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:23:10,415 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:23:10,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:23:10,423 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:23:10,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:23:10,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:23:10 BoogieIcfgContainer [2023-11-19 05:23:10,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:23:10,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:23:10,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:23:10,629 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:23:10,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:08" (3/4) ... [2023-11-19 05:23:10,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:23:10,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:23:10,637 INFO L158 Benchmark]: Toolchain (without parser) took 3595.58ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 92.3MB in the beginning and 186.8MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:10,637 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:10,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.60ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 76.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:23:10,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.05ms. Allocated memory is still 138.4MB. Free memory was 76.2MB in the beginning and 71.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:23:10,640 INFO L158 Benchmark]: Boogie Preprocessor took 74.92ms. Allocated memory is still 138.4MB. Free memory was 71.4MB in the beginning and 68.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:23:10,645 INFO L158 Benchmark]: RCFGBuilder took 1214.64ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 68.7MB in the beginning and 130.6MB in the end (delta: -61.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-19 05:23:10,647 INFO L158 Benchmark]: TraceAbstraction took 1764.22ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 129.6MB in the beginning and 186.8MB in the end (delta: -57.2MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-19 05:23:10,647 INFO L158 Benchmark]: Witness Printer took 7.79ms. Allocated memory is still 230.7MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:10,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.60ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 76.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.05ms. Allocated memory is still 138.4MB. Free memory was 76.2MB in the beginning and 71.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.92ms. Allocated memory is still 138.4MB. Free memory was 71.4MB in the beginning and 68.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1214.64ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 68.7MB in the beginning and 130.6MB in the end (delta: -61.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1764.22ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 129.6MB in the beginning and 186.8MB in the end (delta: -57.2MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Witness Printer took 7.79ms. Allocated memory is still 230.7MB. Free memory is still 186.8MB. 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 182, overapproximation of shiftRight at line 86, overapproximation of bitwiseOr at line 114, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] double var_1_40 = 8.35; [L45] unsigned short int var_1_45 = 50; [L46] unsigned char var_1_46 = 0; [L47] unsigned char var_1_47 = 5; [L48] unsigned char var_1_48 = 1; [L49] signed char var_1_49 = -16; [L50] signed char var_1_50 = 2; [L51] signed char var_1_51 = 16; [L52] signed long int var_1_53 = 256; [L53] double var_1_54 = 1.25; [L54] unsigned long int var_1_55 = 5; [L55] signed long int last_1_var_1_1 = 64; [L56] unsigned char last_1_var_1_13 = 64; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_13 = var_1_13 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L143] var_1_15 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L145] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L148] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L149] var_1_18 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L151] var_1_19 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L153] var_1_20 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L155] var_1_21 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L159] var_1_23 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L161] var_1_27 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L163] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L164] var_1_28 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L166] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L167] var_1_47 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L169] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L170] var_1_50 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_50 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_50 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L172] CALL assume_abort_if_not(var_1_50 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_50 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L173] var_1_51 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_51 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_51 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L175] CALL assume_abort_if_not(var_1_51 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_51 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=15/2, var_1_18=4294967108, var_1_19=4294967109, var_1_1=64, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=10, var_1_26=16, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L190] RET updateVariables() [L191] CALL step() [L60] signed long int stepLocal_1 = last_1_var_1_1; [L61] COND FALSE !(stepLocal_1 != last_1_var_1_13) [L64] var_1_31 = var_1_13 [L65] var_1_55 = var_1_32 [L66] COND TRUE \read(var_1_7) [L67] var_1_17 = ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) [L71] COND TRUE \read(var_1_7) [L72] var_1_29 = var_1_20 [L74] COND FALSE !(var_1_21 > (var_1_21 + var_1_23)) [L81] var_1_48 = var_1_15 [L82] var_1_32 = var_1_16 [L83] var_1_54 = var_1_18 [L84] var_1_30 = var_1_32 [L85] unsigned char stepLocal_0 = var_1_13; [L86] EXPR var_1_32 >> var_1_32 [L86] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L87] var_1_11 = var_1_32 [L89] COND FALSE !((-32 & var_1_15) > var_1_11) [L92] var_1_40 = (var_1_19 + var_1_21) [L94] COND TRUE var_1_19 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) [L95] COND FALSE !(var_1_30 > var_1_16) [L105] COND TRUE var_1_21 < var_1_22 [L106] var_1_49 = ((var_1_50 - var_1_51) + var_1_28) [L110] COND TRUE var_1_11 >= var_1_30 [L111] var_1_26 = (var_1_27 + var_1_28) [L113] var_1_53 = var_1_1 [L114] EXPR (var_1_31 + 4u) | var_1_30 [L114] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L115] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) [L123] unsigned short int stepLocal_2 = var_1_30; [L124] COND FALSE !(! var_1_7) [L127] COND FALSE !(var_1_11 < stepLocal_2) [L130] var_1_24 = var_1_26 [L133] EXPR var_1_30 ^ var_1_32 [L133] EXPR var_1_13 | var_1_11 [L133] COND TRUE (var_1_30 ^ var_1_32) < (var_1_13 | var_1_11) [L134] var_1_33 = ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))) [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (var_1_31 + 4u) | var_1_30 [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L182] EXPR var_1_32 >> var_1_32 [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L182-L183] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=50, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=4294967110, var_1_18=4294967108, var_1_19=4294967109, var_1_1=58, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=4, var_1_26=4, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=50, var_1_31=64, var_1_32=50, var_1_33=63, var_1_40=4294967109, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=63, var_1_49=63, var_1_50=63, var_1_51=62, var_1_53=64, var_1_54=4294967108, var_1_55=64, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=50, var_1_13=64, var_1_15=63, var_1_16=50, var_1_17=4294967110, var_1_18=4294967108, var_1_19=4294967109, var_1_1=58, var_1_20=31897/500, var_1_21=4294967109, var_1_22=4294967110, var_1_23=4294967110, var_1_24=4, var_1_26=4, var_1_27=-58, var_1_28=62, var_1_29=31897/500, var_1_30=50, var_1_31=64, var_1_32=50, var_1_33=63, var_1_40=4294967109, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=63, var_1_49=63, var_1_50=63, var_1_51=62, var_1_53=64, var_1_54=4294967108, var_1_55=64, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 22, 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=45occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 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 [2023-11-19 05:23:10,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ --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 3fc583e741ffe99075b24df1c1eb2737969039ee55b26e24229cc0be1d9190a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:13,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:13,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:23:13,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:13,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:13,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:13,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:13,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:13,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:13,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:13,539 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:13,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:13,540 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:13,542 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:13,543 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:13,543 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:13,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:13,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:13,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:13,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:13,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:13,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:13,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:13,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:13,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:23:13,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:23:13,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:23:13,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:13,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:13,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:13,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:13,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:23:13,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:13,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:13,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:13,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:13,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:13,556 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:23:13,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:23:13,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:13,558 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:13,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:13,559 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_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc583e741ffe99075b24df1c1eb2737969039ee55b26e24229cc0be1d9190a8 [2023-11-19 05:23:14,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:14,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:14,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:14,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:14,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:14,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i [2023-11-19 05:23:17,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:17,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:17,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i [2023-11-19 05:23:17,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data/8a8163875/5329d79b9df3425caff31d76864b301f/FLAGe6daf7f0c [2023-11-19 05:23:17,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/data/8a8163875/5329d79b9df3425caff31d76864b301f [2023-11-19 05:23:17,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:17,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:17,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:17,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:17,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:17,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:17" (1/1) ... [2023-11-19 05:23:17,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133870c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:17, skipping insertion in model container [2023-11-19 05:23:17,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:17" (1/1) ... [2023-11-19 05:23:17,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:17,947 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_7adeb702-c023-4854-8830-083b020b3451/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i[919,932] [2023-11-19 05:23:18,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:18,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:18,056 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_7adeb702-c023-4854-8830-083b020b3451/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i[919,932] [2023-11-19 05:23:18,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:18,122 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:18,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18 WrapperNode [2023-11-19 05:23:18,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:18,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:18,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:18,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:18,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,179 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-19 05:23:18,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:18,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:18,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:18,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:18,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:18,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:18,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:18,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:18,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:18,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:18,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:23:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:18,503 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:18,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:23,618 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:23,627 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:23,627 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:23,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:23 BoogieIcfgContainer [2023-11-19 05:23:23,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:23,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:23,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:23,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:23,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:17" (1/3) ... [2023-11-19 05:23:23,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d24f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:23, skipping insertion in model container [2023-11-19 05:23:23,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (2/3) ... [2023-11-19 05:23:23,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d24f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:23, skipping insertion in model container [2023-11-19 05:23:23,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:23" (3/3) ... [2023-11-19 05:23:23,641 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-63.i [2023-11-19 05:23:23,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:23,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:23,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:23,744 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;@207653ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:23,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:23:23,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:23,777 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:23,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:23,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:23,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1476335775, now seen corresponding path program 1 times [2023-11-19 05:23:23,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:23,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100755137] [2023-11-19 05:23:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:23,798 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 [2023-11-19 05:23:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:23,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:23,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:24,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:23:24,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-19 05:23:24,530 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:24,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:24,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100755137] [2023-11-19 05:23:24,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100755137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:24,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:24,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:24,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956788958] [2023-11-19 05:23:24,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:24,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:23:24,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:24,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:23:24,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:24,594 INFO L87 Difference]: Start difference. First operand has 77 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:23:24,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:24,632 INFO L93 Difference]: Finished difference Result 147 states and 254 transitions. [2023-11-19 05:23:24,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:23:24,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2023-11-19 05:23:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:24,644 INFO L225 Difference]: With dead ends: 147 [2023-11-19 05:23:24,644 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:23:24,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:24,653 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:24,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:24,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:23:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:23:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2023-11-19 05:23:24,717 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 150 [2023-11-19 05:23:24,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:24,718 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2023-11-19 05:23:24,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:23:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2023-11-19 05:23:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:23:24,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:24,723 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:24,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:24,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:24,949 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:24,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:24,950 INFO L85 PathProgramCache]: Analyzing trace with hash 82296211, now seen corresponding path program 1 times [2023-11-19 05:23:24,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:24,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546868738] [2023-11-19 05:23:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:24,954 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 [2023-11-19 05:23:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:24,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:24,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:25,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:23:25,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:23:27,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:27,845 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:27,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546868738] [2023-11-19 05:23:27,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546868738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:27,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:27,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:23:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552907269] [2023-11-19 05:23:27,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:27,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:23:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:27,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:23:27,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:23:27,860 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:23:30,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:32,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:34,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:34,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:34,854 INFO L93 Difference]: Finished difference Result 214 states and 331 transitions. [2023-11-19 05:23:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:23:34,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2023-11-19 05:23:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:34,883 INFO L225 Difference]: With dead ends: 214 [2023-11-19 05:23:34,884 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 05:23:34,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:23:34,887 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 135 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 45 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:34,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 367 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 73 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-11-19 05:23:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 05:23:34,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2023-11-19 05:23:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 69 states have internal predecessors, (88), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:23:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 176 transitions. [2023-11-19 05:23:34,946 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 176 transitions. Word has length 150 [2023-11-19 05:23:34,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:34,949 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 176 transitions. [2023-11-19 05:23:34,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:23:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2023-11-19 05:23:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:23:34,960 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:34,961 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:34,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:35,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:35,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:35,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash 504998037, now seen corresponding path program 1 times [2023-11-19 05:23:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:35,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36275734] [2023-11-19 05:23:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:35,177 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 [2023-11-19 05:23:35,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:35,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:35,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:23:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:35,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:23:35,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:23:35,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:35,885 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:35,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36275734] [2023-11-19 05:23:35,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36275734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:35,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:35,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:23:35,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355571933] [2023-11-19 05:23:35,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:35,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:35,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:35,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:35,889 INFO L87 Difference]: Start difference. First operand 116 states and 176 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:23:38,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:40,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:40,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:40,371 INFO L93 Difference]: Finished difference Result 212 states and 326 transitions. [2023-11-19 05:23:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:40,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2023-11-19 05:23:40,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:40,377 INFO L225 Difference]: With dead ends: 212 [2023-11-19 05:23:40,380 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 05:23:40,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:40,387 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 27 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:40,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 216 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2023-11-19 05:23:40,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 05:23:40,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 133. [2023-11-19 05:23:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:23:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 204 transitions. [2023-11-19 05:23:40,440 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 204 transitions. Word has length 150 [2023-11-19 05:23:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:40,443 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 204 transitions. [2023-11-19 05:23:40,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:23:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 204 transitions. [2023-11-19 05:23:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:23:40,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:40,447 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:40,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:40,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:40,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:40,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:40,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1489146669, now seen corresponding path program 1 times [2023-11-19 05:23:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:40,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513505985] [2023-11-19 05:23:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:40,667 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 [2023-11-19 05:23:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:40,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:40,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:41,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:23:41,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:23:42,807 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:42,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:42,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513505985] [2023-11-19 05:23:42,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513505985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:42,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:42,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:23:42,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483686392] [2023-11-19 05:23:42,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:42,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:23:42,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:23:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:23:42,820 INFO L87 Difference]: Start difference. First operand 133 states and 204 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:23:46,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:48,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:50,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:53,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:54,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:54,932 INFO L93 Difference]: Finished difference Result 402 states and 627 transitions. [2023-11-19 05:23:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:23:54,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2023-11-19 05:23:54,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:54,938 INFO L225 Difference]: With dead ends: 402 [2023-11-19 05:23:54,938 INFO L226 Difference]: Without dead ends: 315 [2023-11-19 05:23:54,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:23:54,940 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 254 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 46 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:54,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 344 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 168 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2023-11-19 05:23:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-11-19 05:23:55,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 232. [2023-11-19 05:23:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 162 states have (on average 1.4382716049382716) internal successors, (233), 162 states have internal predecessors, (233), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-19 05:23:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 365 transitions. [2023-11-19 05:23:55,005 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 365 transitions. Word has length 150 [2023-11-19 05:23:55,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:55,007 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 365 transitions. [2023-11-19 05:23:55,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:23:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 365 transitions. [2023-11-19 05:23:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:23:55,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:55,010 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:55,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:55,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:55,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:55,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:55,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1490993711, now seen corresponding path program 1 times [2023-11-19 05:23:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:55,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489687883] [2023-11-19 05:23:55,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:55,221 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 [2023-11-19 05:23:55,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:55,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:55,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7adeb702-c023-4854-8830-083b020b3451/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:23:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:55,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:23:55,702 INFO L285 TraceCheckSpWp]: Computing forward predicates...