./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.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_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:43,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:43,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:08:43,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:43,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:43,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:43,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:43,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:43,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:43,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:43,756 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:43,756 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:43,757 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:43,759 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:43,760 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:43,760 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:43,761 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:43,761 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:43,762 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:43,762 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:43,763 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:43,763 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:43,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:43,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:43,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:43,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:43,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:43,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:43,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:43,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:43,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:43,768 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:43,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:43,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:43,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:43,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:43,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:43,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:43,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:43,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:43,771 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:43,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:43,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:43,772 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:43,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:43,773 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_4a5582d7-bde2-41f4-9b4e-db177241aa18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 [2023-11-19 05:08:44,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:44,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:44,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:44,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:44,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:44,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-19 05:08:47,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:47,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:47,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-19 05:08:48,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data/7133066e9/af9ab2a68abd49e385edfd7b7c43af22/FLAG7142570a5 [2023-11-19 05:08:48,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data/7133066e9/af9ab2a68abd49e385edfd7b7c43af22 [2023-11-19 05:08:48,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:48,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:48,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:48,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:48,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:48,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693d3cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48, skipping insertion in model container [2023-11-19 05:08:48,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:48,312 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_4a5582d7-bde2-41f4-9b4e-db177241aa18/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-19 05:08:48,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:48,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:48,522 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_4a5582d7-bde2-41f4-9b4e-db177241aa18/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-19 05:08:48,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:48,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:48,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48 WrapperNode [2023-11-19 05:08:48,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:48,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:48,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:48,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:48,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,747 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2023-11-19 05:08:48,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:48,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:48,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:48,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:48,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:48,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:48,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:48,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:48,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:48,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:48,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:08:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:49,125 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:49,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:49,817 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:50,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:50,411 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:50,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:50 BoogieIcfgContainer [2023-11-19 05:08:50,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:50,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:50,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:50,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:50,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:48" (1/3) ... [2023-11-19 05:08:50,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc62635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:50, skipping insertion in model container [2023-11-19 05:08:50,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (2/3) ... [2023-11-19 05:08:50,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc62635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:50, skipping insertion in model container [2023-11-19 05:08:50,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:50" (3/3) ... [2023-11-19 05:08:50,431 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-37.i [2023-11-19 05:08:50,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:50,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:50,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:50,510 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;@431ee918, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:50,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:08:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 05:08:50,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:50,528 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:50,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:50,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash -963240274, now seen corresponding path program 1 times [2023-11-19 05:08:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:08:50,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448643103] [2023-11-19 05:08:50,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:50,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:08:50,817 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:08:50,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325539238] [2023-11-19 05:08:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:50,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:08:50,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:50,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:08:50,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:08:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:51,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:08:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:51,446 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:08:51,448 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:08:51,450 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:08:51,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:51,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:08:51,679 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:08:51,692 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:08:51,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:08:51 BoogieIcfgContainer [2023-11-19 05:08:51,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:08:51,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:08:51,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:08:51,854 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:08:51,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:50" (3/4) ... [2023-11-19 05:08:51,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:08:51,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:08:51,862 INFO L158 Benchmark]: Toolchain (without parser) took 3814.02ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 74.2MB in the beginning and 91.4MB in the end (delta: -17.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:51,862 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:51,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.31ms. Allocated memory is still 119.5MB. Free memory was 74.2MB in the beginning and 57.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:08:51,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.52ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 57.9MB in the beginning and 128.5MB in the end (delta: -70.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:51,872 INFO L158 Benchmark]: Boogie Preprocessor took 93.55ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 126.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:51,873 INFO L158 Benchmark]: RCFGBuilder took 1568.35ms. Allocated memory is still 159.4MB. Free memory was 126.4MB in the beginning and 72.3MB in the end (delta: 54.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2023-11-19 05:08:51,873 INFO L158 Benchmark]: TraceAbstraction took 1431.51ms. Allocated memory is still 159.4MB. Free memory was 72.3MB in the beginning and 91.4MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:51,873 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 159.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:51,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.31ms. Allocated memory is still 119.5MB. Free memory was 74.2MB in the beginning and 57.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.52ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 57.9MB in the beginning and 128.5MB in the end (delta: -70.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.55ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 126.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1568.35ms. Allocated memory is still 159.4MB. Free memory was 126.4MB in the beginning and 72.3MB in the end (delta: 54.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1431.51ms. Allocated memory is still 159.4MB. Free memory was 72.3MB in the beginning and 91.4MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 159.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of bitwiseOr at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 10; [L25] signed char var_1_4 = 64; [L26] signed char var_1_5 = 5; [L27] double var_1_7 = 4.175; [L28] unsigned char var_1_9 = 100; [L29] unsigned short int var_1_10 = 128; [L30] float var_1_11 = 10.6; [L31] float var_1_12 = 16.25; [L32] float var_1_13 = 0.0; [L33] float var_1_14 = 127.2; [L34] double var_1_15 = 0.75; [L35] unsigned char var_1_18 = 1; [L36] unsigned char var_1_19 = 1; [L37] signed char var_1_20 = 1; [L38] signed short int var_1_21 = -1; [L39] unsigned long int var_1_22 = 1000000000; [L40] signed long int var_1_23 = -50; [L41] unsigned long int var_1_24 = 3900988395; [L42] unsigned long int var_1_25 = 2230016845; [L43] unsigned long int var_1_26 = 256; [L44] unsigned long int var_1_27 = 4; [L45] signed char var_1_29 = 8; [L46] signed long int last_1_var_1_1 = 2; [L47] unsigned char last_1_var_1_9 = 100; [L48] unsigned short int last_1_var_1_10 = 128; [L49] double last_1_var_1_15 = 0.75; [L50] signed short int last_1_var_1_21 = -1; [L51] unsigned long int last_1_var_1_22 = 1000000000; [L52] unsigned long int last_1_var_1_27 = 4; [L53] signed char last_1_var_1_29 = 8; [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L173] last_1_var_1_1 = var_1_1 [L174] last_1_var_1_9 = var_1_9 [L175] last_1_var_1_10 = var_1_10 [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_22 = var_1_22 [L179] last_1_var_1_27 = var_1_27 [L180] last_1_var_1_29 = var_1_29 [L190] RET updateLastVariables() [L191] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L143] var_1_3 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L149] var_1_5 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L151] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L152] var_1_12 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L154] var_1_13 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L161] var_1_23 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L163] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L164] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L165] var_1_24 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_24 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L167] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L168] var_1_25 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_25 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2147483649, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2147483649, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L170] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2147483649, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=63, var_1_24=2147483647, var_1_25=2147483649, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=100] [L191] RET updateVariables() [L192] CALL step() [L57] signed long int stepLocal_3 = last_1_var_1_1 * last_1_var_1_29; [L58] COND FALSE !(var_1_5 == stepLocal_3) [L61] var_1_21 = ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))) [L63] signed long int stepLocal_4 = last_1_var_1_10; [L64] COND TRUE (var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= stepLocal_4 [L65] COND TRUE \read(var_1_19) [L66] var_1_22 = (var_1_24 - (last_1_var_1_9 + var_1_4)) [L71] COND FALSE !(last_1_var_1_15 < (- var_1_14)) [L74] var_1_10 = ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4))) [L75] var_1_11 = (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13)))) [L76] var_1_20 = var_1_5 [L77] COND TRUE var_1_21 != 10 [L78] var_1_9 = ((((var_1_4) > (2)) ? (var_1_4) : (2))) [L90] signed short int stepLocal_2 = var_1_21; [L91] unsigned long int stepLocal_1 = var_1_22; [L92] COND FALSE !((var_1_9 * (var_1_4 * var_1_5)) < stepLocal_2) [L99] COND TRUE \read(var_1_18) [L100] var_1_15 = ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L112] signed long int stepLocal_0 = 500 * var_1_10; [L113] COND TRUE \read(var_1_18) [L114] COND FALSE !((var_1_3 - (var_1_4 - var_1_5)) >= stepLocal_0) [L120] COND TRUE var_1_18 && var_1_19 [L121] var_1_27 = ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))) [L123] COND FALSE !((var_1_13 - var_1_14) <= var_1_12) [L126] var_1_26 = ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))) [L128] unsigned char stepLocal_5 = var_1_13 < var_1_15; [L129] COND TRUE var_1_18 || stepLocal_5 [L130] COND FALSE !((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) [L133] var_1_29 = var_1_5 [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) [L183-L184] return ((((((((((((var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)) && ((var_1_21 != 10) ? (var_1_9 == ((unsigned char) ((((var_1_4) > (2)) ? (var_1_4) : (2))))) : ((var_1_22 > (var_1_21 / 128)) ? (var_1_18 ? (var_1_9 == ((unsigned char) var_1_4)) : (var_1_9 == ((unsigned char) var_1_5))) : (var_1_9 == ((unsigned char) var_1_4))))) && (var_1_10 == ((unsigned short int) ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4)))))) && (var_1_11 == ((float) (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13))))))) && (var_1_18 ? (var_1_15 == ((double) ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : ((var_1_22 < var_1_4) ? ((var_1_18 || var_1_18) ? (var_1_15 == ((double) var_1_14)) : (var_1_15 == ((double) var_1_14))) : (var_1_15 == ((double) var_1_13))))) && ((last_1_var_1_15 < (- var_1_14)) ? (var_1_18 == ((unsigned char) (var_1_2 || var_1_19))) : 1)) && (var_1_20 == ((signed char) var_1_5))) && ((var_1_5 == (last_1_var_1_1 * last_1_var_1_29)) ? (var_1_21 == ((signed short int) ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) : (var_1_21 == ((signed short int) ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))))))) && (((var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= last_1_var_1_10) ? (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_24 - (last_1_var_1_9 + var_1_4)))) : (var_1_22 == ((unsigned long int) (((((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) < (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))) ? ((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) : (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))))))) : 1)) && (((var_1_13 - var_1_14) <= var_1_12) ? (var_1_26 == ((unsigned long int) (var_1_25 - var_1_27))) : (var_1_26 == ((unsigned long int) ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))))))) && ((var_1_18 && var_1_19) ? (var_1_27 == ((unsigned long int) ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))))) : 1)) && ((var_1_18 || (var_1_13 < var_1_15)) ? (((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) ? (var_1_29 == ((signed char) (var_1_5 - 10))) : (var_1_29 == ((signed char) var_1_5))) : (var_1_29 == ((signed char) var_1_5))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=62, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=62, var_1_21=63, var_1_22=2147483484, var_1_23=63, var_1_24=2147483647, var_1_25=2147483649, var_1_26=125, var_1_27=62, var_1_29=62, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=62, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=62, var_1_21=63, var_1_22=2147483484, var_1_23=63, var_1_24=2147483647, var_1_25=2147483649, var_1_26=125, var_1_27=62, var_1_29=62, var_1_2=1, var_1_3=64, var_1_4=63, var_1_5=62, var_1_7=167/40, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 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 05:08:51,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:54,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:55,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:08:55,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:55,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:55,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:55,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:55,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:55,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:55,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:55,053 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:55,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:55,056 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:55,057 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:55,058 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:55,058 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:55,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:55,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:55,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:55,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:55,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:55,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:55,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:55,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:55,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:55,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:55,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:55,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:55,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:55,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:55,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:55,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:55,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:55,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:55,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:55,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:55,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:55,074 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:55,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:55,076 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:55,076 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:55,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:55,077 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_4a5582d7-bde2-41f4-9b4e-db177241aa18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 [2023-11-19 05:08:55,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:55,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:55,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:55,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:55,613 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:55,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-19 05:08:59,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:59,764 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:59,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-19 05:08:59,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data/eee3f3a11/64ddd54dc26a41c09c250c5b438cd52b/FLAGadc9d697d [2023-11-19 05:08:59,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/data/eee3f3a11/64ddd54dc26a41c09c250c5b438cd52b [2023-11-19 05:08:59,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:59,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:59,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:59,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:59,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:59,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:59" (1/1) ... [2023-11-19 05:08:59,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f67745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:59, skipping insertion in model container [2023-11-19 05:08:59,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:59" (1/1) ... [2023-11-19 05:08:59,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:00,039 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_4a5582d7-bde2-41f4-9b4e-db177241aa18/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-19 05:09:00,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:00,144 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:09:00,158 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_4a5582d7-bde2-41f4-9b4e-db177241aa18/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-19 05:09:00,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:00,263 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:09:00,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00 WrapperNode [2023-11-19 05:09:00,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:00,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:00,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:09:00,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:09:00,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,347 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-19 05:09:00,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:00,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:09:00,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:09:00,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:09:00,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:09:00,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:09:00,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:09:00,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:09:00,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (1/1) ... [2023-11-19 05:09:00,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:00,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:09:00,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:09:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:09:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:09:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:09:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:09:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:09:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:09:00,587 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:09:00,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:09:09,156 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:09:09,171 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:09:09,171 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:09:09,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:09 BoogieIcfgContainer [2023-11-19 05:09:09,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:09:09,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:09:09,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:09:09,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:09:09,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:59" (1/3) ... [2023-11-19 05:09:09,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@930eb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:09, skipping insertion in model container [2023-11-19 05:09:09,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:00" (2/3) ... [2023-11-19 05:09:09,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@930eb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:09, skipping insertion in model container [2023-11-19 05:09:09,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:09" (3/3) ... [2023-11-19 05:09:09,190 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-37.i [2023-11-19 05:09:09,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:09:09,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:09:09,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:09:09,271 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;@59a29e8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:09:09,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:09:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:09:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 05:09:09,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:09,298 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:09,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:09,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:09,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2079175466, now seen corresponding path program 1 times [2023-11-19 05:09:09,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:09,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516636268] [2023-11-19 05:09:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:09,338 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 05:09:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:09,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:09,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:10,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:09:10,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-19 05:09:10,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:09:10,807 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:10,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516636268] [2023-11-19 05:09:10,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516636268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:10,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:09:10,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:09:10,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485409729] [2023-11-19 05:09:10,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:10,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:09:10,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:09:10,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:09:10,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:09:10,877 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 05:09:10,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:09:10,931 INFO L93 Difference]: Finished difference Result 141 states and 244 transitions. [2023-11-19 05:09:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:09:10,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2023-11-19 05:09:10,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:09:10,942 INFO L225 Difference]: With dead ends: 141 [2023-11-19 05:09:10,942 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 05:09:10,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 05:09:10,951 INFO L413 NwaCegarLoop]: 108 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, 108 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 05:09:10,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:09:10,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 05:09:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-19 05:09:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:09:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-19 05:09:11,002 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 135 [2023-11-19 05:09:11,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:09:11,003 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-19 05:09:11,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 05:09:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-19 05:09:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 05:09:11,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:11,008 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:11,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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)] Ended with exit code 0 [2023-11-19 05:09:11,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:11,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:11,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:11,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1935044122, now seen corresponding path program 1 times [2023-11-19 05:09:11,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:11,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440257927] [2023-11-19 05:09:11,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:11,219 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 05:09:11,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:11,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:11,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:12,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:09:12,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-19 05:09:21,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:09:29,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:29,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440257927] [2023-11-19 05:09:29,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440257927] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:09:29,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1452618263] [2023-11-19 05:09:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:29,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:09:29,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:09:29,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:09:29,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:09:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:29,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:09:29,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 05:09:30,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:09:30,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1452618263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:30,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:09:30,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-19 05:09:30,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251579412] [2023-11-19 05:09:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:30,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:09:30,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:09:30,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:09:30,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:09:30,298 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 05:09:33,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:09:35,417 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 05:09:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:09:35,431 INFO L93 Difference]: Finished difference Result 201 states and 312 transitions. [2023-11-19 05:09:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:09:35,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2023-11-19 05:09:35,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:09:35,543 INFO L225 Difference]: With dead ends: 201 [2023-11-19 05:09:35,543 INFO L226 Difference]: Without dead ends: 134 [2023-11-19 05:09:35,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:09:35,547 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 90 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:09:35,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2023-11-19 05:09:35,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-19 05:09:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2023-11-19 05:09:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-19 05:09:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 201 transitions. [2023-11-19 05:09:35,592 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 201 transitions. Word has length 135 [2023-11-19 05:09:35,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:09:35,598 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 201 transitions. [2023-11-19 05:09:35,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 05:09:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 201 transitions. [2023-11-19 05:09:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:09:35,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:35,606 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:35,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:09:35,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:36,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:36,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:36,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:36,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1868564433, now seen corresponding path program 1 times [2023-11-19 05:09:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:36,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373859599] [2023-11-19 05:09:36,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:36,010 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 05:09:36,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:36,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:36,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5582d7-bde2-41f4-9b4e-db177241aa18/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 05:09:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:37,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:09:37,318 INFO L285 TraceCheckSpWp]: Computing forward predicates...