./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.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_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:42,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:42,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:42,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:42,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:42,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:42,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:42,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:42,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:42,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:42,434 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:42,435 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:42,436 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:42,437 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:42,438 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:42,438 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:42,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:42,439 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:42,440 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:42,440 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:42,441 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:42,441 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:42,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:42,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:42,443 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:42,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:42,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:42,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:42,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:42,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:42,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:42,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:42,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:42,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:42,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:42,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:42,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:42,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:42,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:42,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:42,448 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:42,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:42,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:42,449 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:42,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:42,450 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_33540a96-1f92-4c3d-9492-8f503cb4ef12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db [2023-11-19 05:06:42,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:42,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:42,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:42,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:42,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:42,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-19 05:06:46,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:46,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:46,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-19 05:06:46,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data/f0b821240/7f085c5ac56644dcb6be491fe6231ff5/FLAGa6f23370b [2023-11-19 05:06:46,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data/f0b821240/7f085c5ac56644dcb6be491fe6231ff5 [2023-11-19 05:06:46,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:46,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:46,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:46,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:46,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:46,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46, skipping insertion in model container [2023-11-19 05:06:46,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,414 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:46,628 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_33540a96-1f92-4c3d-9492-8f503cb4ef12/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-19 05:06:46,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:46,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:46,753 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_33540a96-1f92-4c3d-9492-8f503cb4ef12/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-19 05:06:46,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:46,871 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:46,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46 WrapperNode [2023-11-19 05:06:46,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:46,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:46,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:46,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:46,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,965 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-19 05:06:46,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:46,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:46,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:46,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:46,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:46,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:47,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:47,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:47,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:47,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:47,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:47,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:47,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:47,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:47,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (1/1) ... [2023-11-19 05:06:47,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:47,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:47,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:47,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:47,282 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:47,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:47,917 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:48,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:48,420 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:06:48,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:48 BoogieIcfgContainer [2023-11-19 05:06:48,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:48,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:48,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:48,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:48,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:46" (1/3) ... [2023-11-19 05:06:48,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dd7acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:48, skipping insertion in model container [2023-11-19 05:06:48,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:46" (2/3) ... [2023-11-19 05:06:48,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dd7acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:48, skipping insertion in model container [2023-11-19 05:06:48,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:48" (3/3) ... [2023-11-19 05:06:48,439 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-93.i [2023-11-19 05:06:48,459 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:48,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:48,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:48,537 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;@2c628990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:48,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 05:06:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 05:06:48,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:48,557 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:48,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:48,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:48,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1078431070, now seen corresponding path program 1 times [2023-11-19 05:06:48,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:48,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795140018] [2023-11-19 05:06:48,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:49,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:06:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:50,222 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:06:50,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:06:50,226 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:06:50,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:06:50,235 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:06:50,244 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:06:50,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:06:50 BoogieIcfgContainer [2023-11-19 05:06:50,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:06:50,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:06:50,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:06:50,399 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:06:50,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:48" (3/4) ... [2023-11-19 05:06:50,406 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:06:50,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:06:50,409 INFO L158 Benchmark]: Toolchain (without parser) took 4080.67ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.9MB in the beginning and 127.0MB in the end (delta: -12.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,410 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:50,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.28ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 115.0MB in the end (delta: -133.1kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.91ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 108.9MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,415 INFO L158 Benchmark]: Boogie Preprocessor took 71.83ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 106.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,419 INFO L158 Benchmark]: RCFGBuilder took 1386.51ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 86.1MB in the end (delta: 19.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,421 INFO L158 Benchmark]: TraceAbstraction took 1967.43ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 85.5MB in the beginning and 128.1MB in the end (delta: -42.6MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,422 INFO L158 Benchmark]: Witness Printer took 8.93ms. Allocated memory is still 186.6MB. Free memory was 128.1MB in the beginning and 127.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:50,432 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 119.5MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.28ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 115.0MB in the end (delta: -133.1kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.91ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 108.9MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.83ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 106.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1386.51ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 86.1MB in the end (delta: 19.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1967.43ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 85.5MB in the beginning and 128.1MB in the end (delta: -42.6MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Witness Printer took 8.93ms. Allocated memory is still 186.6MB. Free memory was 128.1MB in the beginning and 127.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 187, overapproximation of bitwiseOr at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] unsigned char var_1_4 = 1; [L24] double var_1_7 = 31.25; [L25] double var_1_8 = 7.6; [L26] double var_1_9 = 8.9; [L27] double var_1_10 = 256.8; [L28] signed short int var_1_11 = 0; [L29] unsigned long int var_1_15 = 64; [L30] signed short int var_1_18 = 16; [L31] signed short int var_1_19 = 22006; [L32] unsigned char var_1_21 = 1; [L33] unsigned char var_1_22 = 0; [L34] float var_1_23 = 2.25; [L35] signed long int var_1_24 = -1; [L36] unsigned char var_1_26 = 32; [L37] unsigned char var_1_27 = 200; [L38] unsigned char var_1_28 = 5; [L39] unsigned char var_1_29 = 64; [L40] unsigned char var_1_30 = 64; [L41] unsigned char var_1_31 = 32; [L42] unsigned char var_1_32 = 5; [L43] signed char var_1_33 = 2; [L44] signed char var_1_34 = 32; [L45] unsigned short int var_1_35 = 16; [L46] float var_1_37 = 63.5; [L47] signed long int last_1_var_1_24 = -1; [L48] unsigned char last_1_var_1_26 = 32; [L49] signed char last_1_var_1_33 = 2; [L50] unsigned short int last_1_var_1_35 = 16; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L181] last_1_var_1_24 = var_1_24 [L182] last_1_var_1_26 = var_1_26 [L183] last_1_var_1_33 = var_1_33 [L184] last_1_var_1_35 = var_1_35 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L143] var_1_4 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L145] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=89/10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=89/10] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L150] var_1_10 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L152] var_1_19 = __VERIFIER_nondet_short() [L153] CALL assume_abort_if_not(var_1_19 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_19 >= 16383) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L154] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L155] var_1_22 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L157] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L158] var_1_27 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_27 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_27 >= 190) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L160] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L163] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_29 >= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L166] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L167] var_1_30 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_30 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_30 >= 31) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L169] CALL assume_abort_if_not(var_1_30 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_30 <= 64) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L170] var_1_31 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_31 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_31 >= 32) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L172] CALL assume_abort_if_not(var_1_31 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_31 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L173] var_1_32 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L175] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L176] var_1_34 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=63, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=63, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L178] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=63, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=2, var_1_34=63, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=9/4, var_1_9=100000007] [L195] RET updateVariables() [L196] CALL step() [L54] signed long int stepLocal_6 = last_1_var_1_24; [L55] unsigned char stepLocal_5 = var_1_30; [L56] signed long int stepLocal_4 = last_1_var_1_24; [L57] EXPR last_1_var_1_35 | 100000000 [L57] COND TRUE stepLocal_6 < (last_1_var_1_35 | 100000000) [L58] COND TRUE stepLocal_5 > last_1_var_1_35 [L59] COND FALSE !(var_1_19 < stepLocal_4) [L62] var_1_35 = (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33)))))) [L74] COND TRUE \read(var_1_4) [L75] var_1_21 = (! var_1_22) [L77] COND TRUE ! var_1_21 [L78] var_1_23 = var_1_8 [L80] COND TRUE (var_1_8 + 199.375) <= 10.5 [L81] var_1_26 = ((var_1_27 - var_1_28) - (var_1_29 - 1)) [L89] COND TRUE \read(var_1_22) [L90] var_1_33 = ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)) [L92] var_1_37 = var_1_10 [L93] COND FALSE !((- var_1_8) != var_1_23) [L96] var_1_11 = ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))) [L98] COND TRUE var_1_26 == var_1_11 [L99] var_1_15 = ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))) [L107] COND FALSE !((var_1_11 == var_1_15) && var_1_21) [L110] signed short int stepLocal_3 = var_1_11; [L111] COND TRUE var_1_1 != stepLocal_3 [L112] var_1_18 = (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))) [L114] COND FALSE !(var_1_18 != var_1_18) [L123] var_1_24 = var_1_26 [L125] signed short int stepLocal_2 = var_1_11; [L126] signed long int stepLocal_1 = var_1_1; [L127] unsigned short int stepLocal_0 = var_1_35; [L128] COND FALSE !(stepLocal_0 == var_1_1) [L139] var_1_7 = var_1_10 [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR ((((((((((((var_1_11 == var_1_15) && var_1_21) ? (var_1_1 == ((signed long int) ((((var_1_33) < (var_1_33)) ? (var_1_33) : (var_1_33))))) : 1) && ((var_1_35 == var_1_1) ? ((var_1_11 < var_1_1) ? (var_1_7 == ((double) ((var_1_8 - var_1_9) + var_1_10))) : ((var_1_1 >= 25) ? (var_1_7 == ((double) (((((var_1_8 - var_1_9)) > (var_1_10)) ? ((var_1_8 - var_1_9)) : (var_1_10))))) : (var_1_7 == ((double) var_1_10)))) : (var_1_7 == ((double) var_1_10)))) && (((- var_1_8) != var_1_23) ? (var_1_11 == ((signed short int) (500 + var_1_26))) : (var_1_11 == ((signed short int) ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))))))) && ((var_1_26 == var_1_11) ? (var_1_15 == ((unsigned long int) ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))))) : ((var_1_9 < var_1_37) ? (var_1_15 == ((unsigned long int) var_1_35)) : (var_1_15 == ((unsigned long int) var_1_35))))) && ((var_1_1 != var_1_11) ? (var_1_18 == ((signed short int) (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))))) : 1)) && (var_1_4 ? (var_1_21 == ((unsigned char) (! var_1_22))) : 1)) && ((! var_1_21) ? (var_1_23 == ((float) var_1_8)) : 1)) && ((var_1_18 != var_1_18) ? (((1u ^ var_1_19) > (- var_1_35)) ? (var_1_24 == ((signed long int) var_1_26)) : (var_1_22 ? (var_1_24 == ((signed long int) last_1_var_1_24)) : 1)) : (var_1_24 == ((signed long int) var_1_26)))) && (((var_1_8 + 199.375) <= 10.5) ? (var_1_26 == ((unsigned char) ((var_1_27 - var_1_28) - (var_1_29 - 1)))) : (var_1_21 ? (var_1_26 == ((unsigned char) ((var_1_29 - var_1_28) + ((var_1_30 + var_1_31) - var_1_32)))) : (var_1_26 == ((unsigned char) var_1_28))))) && (var_1_22 ? (var_1_33 == ((signed char) ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)))) : 1)) && ((last_1_var_1_24 < (last_1_var_1_35 | 100000000)) ? ((var_1_30 > last_1_var_1_35) ? ((var_1_19 < last_1_var_1_24) ? (var_1_35 == ((unsigned short int) ((var_1_29 + var_1_28) + var_1_31))) : (var_1_35 == ((unsigned short int) (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))))))) : (var_1_35 == ((unsigned short int) ((((var_1_32) > (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))) ? (var_1_32) : (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))))))) : ((var_1_8 != var_1_10) ? (var_1_35 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_26)) ? (last_1_var_1_33) : (last_1_var_1_26))))) : (var_1_35 == ((unsigned short int) var_1_28)))) [L187-L188] return (((((((((((((var_1_11 == var_1_15) && var_1_21) ? (var_1_1 == ((signed long int) ((((var_1_33) < (var_1_33)) ? (var_1_33) : (var_1_33))))) : 1) && ((var_1_35 == var_1_1) ? ((var_1_11 < var_1_1) ? (var_1_7 == ((double) ((var_1_8 - var_1_9) + var_1_10))) : ((var_1_1 >= 25) ? (var_1_7 == ((double) (((((var_1_8 - var_1_9)) > (var_1_10)) ? ((var_1_8 - var_1_9)) : (var_1_10))))) : (var_1_7 == ((double) var_1_10)))) : (var_1_7 == ((double) var_1_10)))) && (((- var_1_8) != var_1_23) ? (var_1_11 == ((signed short int) (500 + var_1_26))) : (var_1_11 == ((signed short int) ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))))))) && ((var_1_26 == var_1_11) ? (var_1_15 == ((unsigned long int) ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))))) : ((var_1_9 < var_1_37) ? (var_1_15 == ((unsigned long int) var_1_35)) : (var_1_15 == ((unsigned long int) var_1_35))))) && ((var_1_1 != var_1_11) ? (var_1_18 == ((signed short int) (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))))) : 1)) && (var_1_4 ? (var_1_21 == ((unsigned char) (! var_1_22))) : 1)) && ((! var_1_21) ? (var_1_23 == ((float) var_1_8)) : 1)) && ((var_1_18 != var_1_18) ? (((1u ^ var_1_19) > (- var_1_35)) ? (var_1_24 == ((signed long int) var_1_26)) : (var_1_22 ? (var_1_24 == ((signed long int) last_1_var_1_24)) : 1)) : (var_1_24 == ((signed long int) var_1_26)))) && (((var_1_8 + 199.375) <= 10.5) ? (var_1_26 == ((unsigned char) ((var_1_27 - var_1_28) - (var_1_29 - 1)))) : (var_1_21 ? (var_1_26 == ((unsigned char) ((var_1_29 - var_1_28) + ((var_1_30 + var_1_31) - var_1_32)))) : (var_1_26 == ((unsigned char) var_1_28))))) && (var_1_22 ? (var_1_33 == ((signed char) ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)))) : 1)) && ((last_1_var_1_24 < (last_1_var_1_35 | 100000000)) ? ((var_1_30 > last_1_var_1_35) ? ((var_1_19 < last_1_var_1_24) ? (var_1_35 == ((unsigned short int) ((var_1_29 + var_1_28) + var_1_31))) : (var_1_35 == ((unsigned short int) (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))))))) : (var_1_35 == ((unsigned short int) ((((var_1_32) > (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))) ? (var_1_32) : (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))))))) : ((var_1_8 != var_1_10) ? (var_1_35 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_26)) ? (last_1_var_1_33) : (last_1_var_1_26))))) : (var_1_35 == ((unsigned short int) var_1_28))))) && (var_1_37 == ((float) var_1_10)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=95, var_1_15=95, var_1_18=-16280, var_1_19=16383, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=9/4, var_1_24=95, var_1_26=95, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=-35, var_1_34=63, var_1_35=95, var_1_37=100000006, var_1_4=1, var_1_7=100000006, var_1_8=9/4, var_1_9=100000007] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=95, var_1_15=95, var_1_18=-16280, var_1_19=16383, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=9/4, var_1_24=95, var_1_26=95, var_1_27=190, var_1_28=32, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=36, var_1_33=-35, var_1_34=63, var_1_35=95, var_1_37=100000006, var_1_4=1, var_1_7=100000006, var_1_8=9/4, var_1_9=100000007] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 23, 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 05:06:50,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:53,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:53,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:06:53,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:53,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:53,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:53,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:53,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:53,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:53,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:53,583 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:53,584 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:53,585 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:53,586 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:53,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:53,587 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:53,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:53,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:53,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:53,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:53,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:53,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:53,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:53,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:53,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:06:53,604 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:06:53,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:06:53,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:53,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:53,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:53,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:53,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:06:53,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:53,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:53,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:53,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:53,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:53,611 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:06:53,611 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:53,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:53,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:53,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:53,614 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_33540a96-1f92-4c3d-9492-8f503cb4ef12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db [2023-11-19 05:06:54,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:54,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:54,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:54,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:54,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:54,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-19 05:06:57,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:57,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:57,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-19 05:06:57,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data/9dd353180/ee74385c16bf456ca21727c658b8f94c/FLAG4b3870c10 [2023-11-19 05:06:57,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/data/9dd353180/ee74385c16bf456ca21727c658b8f94c [2023-11-19 05:06:57,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:57,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:57,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:57,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:57,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:57,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:57" (1/1) ... [2023-11-19 05:06:57,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76747f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:57, skipping insertion in model container [2023-11-19 05:06:57,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:57" (1/1) ... [2023-11-19 05:06:57,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:58,068 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_33540a96-1f92-4c3d-9492-8f503cb4ef12/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-19 05:06:58,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:58,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:58,209 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_33540a96-1f92-4c3d-9492-8f503cb4ef12/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-19 05:06:58,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:58,284 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:58,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58 WrapperNode [2023-11-19 05:06:58,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:58,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:58,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:58,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:58,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,367 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-19 05:06:58,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:58,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:58,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:58,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:58,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:58,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:58,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:58,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:58,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (1/1) ... [2023-11-19 05:06:58,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:58,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:58,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:58,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:06:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:58,622 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:58,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:02,489 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:02,499 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:02,500 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:07:02,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:02 BoogieIcfgContainer [2023-11-19 05:07:02,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:02,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:02,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:02,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:02,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:57" (1/3) ... [2023-11-19 05:07:02,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686c0c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:02, skipping insertion in model container [2023-11-19 05:07:02,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:58" (2/3) ... [2023-11-19 05:07:02,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686c0c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:02, skipping insertion in model container [2023-11-19 05:07:02,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:02" (3/3) ... [2023-11-19 05:07:02,514 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-93.i [2023-11-19 05:07:02,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:02,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:02,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:02,593 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;@729852a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:02,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:02,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 05:07:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 05:07:02,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:02,620 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:02,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:02,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:02,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1471174150, now seen corresponding path program 1 times [2023-11-19 05:07:02,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:02,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729005438] [2023-11-19 05:07:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:02,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:07:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:02,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:02,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:03,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:07:03,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:03,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-19 05:07:03,528 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:03,529 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:03,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729005438] [2023-11-19 05:07:03,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729005438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:03,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:03,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:03,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480555914] [2023-11-19 05:07:03,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:03,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:07:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:03,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:07:03,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:03,594 INFO L87 Difference]: Start difference. First operand has 78 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 05:07:03,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:03,633 INFO L93 Difference]: Finished difference Result 147 states and 259 transitions. [2023-11-19 05:07:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:03,636 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2023-11-19 05:07:03,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:03,646 INFO L225 Difference]: With dead ends: 147 [2023-11-19 05:07:03,646 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 05:07:03,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 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 05:07:03,655 INFO L413 NwaCegarLoop]: 111 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, 111 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 05:07:03,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 05:07:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 05:07:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 47 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 05:07:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-11-19 05:07:03,717 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 152 [2023-11-19 05:07:03,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:03,718 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-11-19 05:07:03,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 05:07:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-19 05:07:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 05:07:03,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:03,724 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:03,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:03,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:03,937 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:03,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1497635520, now seen corresponding path program 1 times [2023-11-19 05:07:03,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:03,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637655293] [2023-11-19 05:07:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:03,940 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 05:07:03,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:03,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:03,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:04,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:07:04,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 05:07:05,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:05,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:05,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637655293] [2023-11-19 05:07:05,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637655293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:05,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:05,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:07:05,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129400294] [2023-11-19 05:07:05,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:05,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:07:05,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:05,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:07:05,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:07:05,870 INFO L87 Difference]: Start difference. First operand 72 states and 111 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 05:07:08,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:10,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:12,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:14,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:16,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:18,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:18,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:18,691 INFO L93 Difference]: Finished difference Result 210 states and 326 transitions. [2023-11-19 05:07:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:07:18,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-19 05:07:18,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:18,728 INFO L225 Difference]: With dead ends: 210 [2023-11-19 05:07:18,728 INFO L226 Difference]: Without dead ends: 141 [2023-11-19 05:07:18,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 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 05:07:18,732 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 124 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 47 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:18,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 424 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 12.6s Time] [2023-11-19 05:07:18,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-19 05:07:18,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2023-11-19 05:07:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 66 states have internal predecessors, (84), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-19 05:07:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 176 transitions. [2023-11-19 05:07:18,778 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 176 transitions. Word has length 152 [2023-11-19 05:07:18,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:18,780 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 176 transitions. [2023-11-19 05:07:18,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 05:07:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2023-11-19 05:07:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 05:07:18,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:18,785 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:18,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:18,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:18,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:18,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:18,998 INFO L85 PathProgramCache]: Analyzing trace with hash -872464392, now seen corresponding path program 1 times [2023-11-19 05:07:18,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:19,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198255053] [2023-11-19 05:07:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:19,000 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 05:07:19,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:19,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:19,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:19,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:07:19,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 05:07:20,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:20,769 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198255053] [2023-11-19 05:07:20,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198255053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:20,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:20,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:20,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556969975] [2023-11-19 05:07:20,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:20,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:20,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:20,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:20,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:20,773 INFO L87 Difference]: Start difference. First operand 115 states and 176 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 05:07:23,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:25,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:25,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:25,284 INFO L93 Difference]: Finished difference Result 253 states and 392 transitions. [2023-11-19 05:07:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:25,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-19 05:07:25,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:25,339 INFO L225 Difference]: With dead ends: 253 [2023-11-19 05:07:25,339 INFO L226 Difference]: Without dead ends: 184 [2023-11-19 05:07:25,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 05:07:25,347 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 38 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:25,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 207 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2023-11-19 05:07:25,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-19 05:07:25,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2023-11-19 05:07:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 109 states have (on average 1.311926605504587) internal successors, (143), 109 states have internal predecessors, (143), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 05:07:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 281 transitions. [2023-11-19 05:07:25,444 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 281 transitions. Word has length 152 [2023-11-19 05:07:25,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:25,445 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 281 transitions. [2023-11-19 05:07:25,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 05:07:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 281 transitions. [2023-11-19 05:07:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 05:07:25,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:25,457 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:25,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:25,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:25,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:25,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:25,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1893532746, now seen corresponding path program 1 times [2023-11-19 05:07:25,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:25,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194550045] [2023-11-19 05:07:25,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:25,679 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 05:07:25,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:25,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:25,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:26,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:07:26,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 05:07:26,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:26,329 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:26,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194550045] [2023-11-19 05:07:26,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194550045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:26,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:26,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:07:26,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946896111] [2023-11-19 05:07:26,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:26,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:26,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:26,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:26,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:26,334 INFO L87 Difference]: Start difference. First operand 182 states and 281 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 05:07:28,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:30,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:31,158 INFO L93 Difference]: Finished difference Result 448 states and 697 transitions. [2023-11-19 05:07:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:31,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-19 05:07:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:31,169 INFO L225 Difference]: With dead ends: 448 [2023-11-19 05:07:31,170 INFO L226 Difference]: Without dead ends: 312 [2023-11-19 05:07:31,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 05:07:31,174 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 99 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:31,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 296 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-11-19 05:07:31,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-19 05:07:31,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 184. [2023-11-19 05:07:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 111 states have (on average 1.3063063063063063) internal successors, (145), 111 states have internal predecessors, (145), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 05:07:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 283 transitions. [2023-11-19 05:07:31,261 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 283 transitions. Word has length 152 [2023-11-19 05:07:31,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:31,263 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 283 transitions. [2023-11-19 05:07:31,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 05:07:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 283 transitions. [2023-11-19 05:07:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 05:07:31,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:31,269 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:31,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:31,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:31,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:31,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:31,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1635367308, now seen corresponding path program 1 times [2023-11-19 05:07:31,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:31,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038748816] [2023-11-19 05:07:31,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:31,486 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 05:07:31,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:31,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:31,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33540a96-1f92-4c3d-9492-8f503cb4ef12/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 05:07:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:32,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:07:32,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-19 05:07:40,093 INFO L327 TraceCheckSpWp]: Computing backward predicates...