./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje --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 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:23:43,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:23:44,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:23:44,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:23:44,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:23:44,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:23:44,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:23:44,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:23:44,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:23:44,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:23:44,115 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:23:44,117 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:23:44,118 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:23:44,120 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:23:44,120 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:23:44,120 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:23:44,121 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:23:44,121 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:23:44,121 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:23:44,121 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:23:44,122 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:23:44,127 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:23:44,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:23:44,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:23:44,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:23:44,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:23:44,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:23:44,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:23:44,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:23:44,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:23:44,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:23:44,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:23:44,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:23:44,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:23:44,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:23:44,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:23:44,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:23:44,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:23:44,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:23:44,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:23:44,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:23:44,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:23:44,145 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:23:44,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:23:44,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:23:44,146 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:23:44,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:23:44,146 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 [2024-11-09 05:23:44,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:23:44,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:23:44,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:23:44,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:23:44,485 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:23:44,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i Unable to find full path for "g++" [2024-11-09 05:23:46,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:23:46,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:23:46,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-09 05:23:46,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data/a1db91b5b/2a4bde18499c46bcbd6ef7f52eb0813a/FLAG3e1918cbb [2024-11-09 05:23:46,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data/a1db91b5b/2a4bde18499c46bcbd6ef7f52eb0813a [2024-11-09 05:23:46,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:23:46,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:23:46,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:23:46,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:23:46,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:23:46,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfaf232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46, skipping insertion in model container [2024-11-09 05:23:46,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:23:47,022 WARN L250 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i[915,928] [2024-11-09 05:23:47,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:23:47,113 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:23:47,127 WARN L250 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i[915,928] [2024-11-09 05:23:47,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:23:47,190 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:23:47,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47 WrapperNode [2024-11-09 05:23:47,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:23:47,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:23:47,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:23:47,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:23:47,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,240 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-09 05:23:47,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:23:47,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:23:47,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:23:47,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:23:47,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:23:47,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:23:47,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:23:47,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:23:47,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (1/1) ... [2024-11-09 05:23:47,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:23:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:23:47,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:23:47,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:23:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:23:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:23:47,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:23:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:23:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:23:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:23:47,404 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:23:47,405 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:23:47,711 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:23:47,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:23:47,837 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:23:47,837 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:23:47,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:23:47 BoogieIcfgContainer [2024-11-09 05:23:47,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:23:47,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:23:47,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:23:47,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:23:47,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:23:46" (1/3) ... [2024-11-09 05:23:47,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558a2c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:23:47, skipping insertion in model container [2024-11-09 05:23:47,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:47" (2/3) ... [2024-11-09 05:23:47,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558a2c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:23:47, skipping insertion in model container [2024-11-09 05:23:47,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:23:47" (3/3) ... [2024-11-09 05:23:47,854 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-09 05:23:47,869 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:23:47,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:23:47,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:23:47,934 INFO L333 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, 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;@e20dff8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:23:47,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:23:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 05:23:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 05:23:47,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:47,948 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:47,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:23:47,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:47,954 INFO L85 PathProgramCache]: Analyzing trace with hash -896694999, now seen corresponding path program 1 times [2024-11-09 05:23:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:47,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244518135] [2024-11-09 05:23:47,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:23:48,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:23:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:23:48,595 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:23:48,597 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:23:48,599 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:23:48,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:23:48,605 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:23:48,703 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:23:48,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:23:48 BoogieIcfgContainer [2024-11-09 05:23:48,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:23:48,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:23:48,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:23:48,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:23:48,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:23:47" (3/4) ... [2024-11-09 05:23:48,711 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:23:48,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:23:48,713 INFO L158 Benchmark]: Toolchain (without parser) took 1973.06ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 110.4MB in the beginning and 142.2MB in the end (delta: -31.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-09 05:23:48,714 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:23:48,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.24ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 95.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:23:48,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.64ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 93.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:23:48,716 INFO L158 Benchmark]: Boogie Preprocessor took 28.82ms. Allocated memory is still 148.9MB. Free memory was 93.1MB in the beginning and 91.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:23:48,716 INFO L158 Benchmark]: RCFGBuilder took 569.85ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 68.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:23:48,717 INFO L158 Benchmark]: TraceAbstraction took 863.68ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 67.5MB in the beginning and 142.2MB in the end (delta: -74.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:23:48,718 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 195.0MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:23:48,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.24ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 95.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.64ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 93.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.82ms. Allocated memory is still 148.9MB. Free memory was 93.1MB in the beginning and 91.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 569.85ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 68.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 863.68ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 67.5MB in the beginning and 142.2MB in the end (delta: -74.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 195.0MB. Free memory is still 142.2MB. 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 someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 128.875; [L24] double var_1_3 = 24.5; [L25] double var_1_4 = 8.2; [L26] double var_1_5 = 10.05; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned long int var_1_10 = 2; [L32] signed char var_1_11 = -16; [L33] signed char var_1_12 = -2; [L34] signed char var_1_13 = -10; [L35] signed char var_1_14 = 4; [L36] double var_1_15 = 256.4; [L37] float var_1_16 = 0.25; [L38] double var_1_17 = 100000000000.2; [L39] double var_1_18 = 50.5; [L40] double var_1_19 = 9.5; [L106] isInitial = 1 [L107] FCALL initially() [L108] int k_loop; [L109] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_2=1031/8, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L109] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_2=1031/8, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L109] COND TRUE k_loop < 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L62] var_1_3 = __VERIFIER_nondet_double() [L63] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L64] var_1_4 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] var_1_5 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_7 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L74] var_1_8 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L80] var_1_12 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L86] var_1_14 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L89] var_1_16 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L92] var_1_17 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_18 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L96] var_1_19 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L111] RET updateVariables() [L112] CALL step() [L44] COND FALSE !(\read(var_1_9)) [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] COND FALSE !((var_1_2 + (var_1_3 / var_1_16)) == var_1_5) [L55] COND TRUE var_1_15 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L56] var_1_1 = (var_1_6 && ((var_1_7 || var_1_8) && var_1_9)) [L112] RET step() [L113] CALL, EXPR property() [L102-L103] return ((((var_1_15 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((var_1_7 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_2 + (var_1_3 / var_1_16)) == var_1_5) ? ((var_1_3 >= var_1_4) ? (var_1_15 == ((double) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((double) var_1_17))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=4, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_17=1282/5, var_1_1=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=4, var_1_12=-59, var_1_13=63, var_1_14=6, var_1_15=1282/5, var_1_17=1282/5, var_1_1=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 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 [2024-11-09 05:23:48,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje --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 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:23:51,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:23:51,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:23:51,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:23:51,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:23:51,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:23:51,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:23:51,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:23:51,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:23:51,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:23:51,247 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:23:51,247 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:23:51,250 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:23:51,251 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:23:51,251 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:23:51,251 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:23:51,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:23:51,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:23:51,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:23:51,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:23:51,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:23:51,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:23:51,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:23:51,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:23:51,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:23:51,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:23:51,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:23:51,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:23:51,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:23:51,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:23:51,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:23:51,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:23:51,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:23:51,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:23:51,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:23:51,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:23:51,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:23:51,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:23:51,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:23:51,262 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:23:51,262 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:23:51,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:23:51,264 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:23:51,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 [2024-11-09 05:23:51,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:23:51,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:23:51,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:23:51,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:23:51,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:23:51,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i Unable to find full path for "g++" [2024-11-09 05:23:53,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:23:53,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:23:53,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-09 05:23:53,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data/a91c544fc/a1fe1a744ccb42f0874506e4aaf17bd5/FLAGecddb0782 [2024-11-09 05:23:53,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/data/a91c544fc/a1fe1a744ccb42f0874506e4aaf17bd5 [2024-11-09 05:23:53,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:23:53,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:23:53,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:23:53,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:23:53,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:23:53,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:23:53" (1/1) ... [2024-11-09 05:23:53,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25833c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:53, skipping insertion in model container [2024-11-09 05:23:53,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:23:53" (1/1) ... [2024-11-09 05:23:53,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:23:54,166 WARN L250 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i[915,928] [2024-11-09 05:23:54,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:23:54,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:23:54,248 WARN L250 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_fa865770-3e86-42d0-b3b3-ef0dca11212a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i[915,928] [2024-11-09 05:23:54,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:23:54,321 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:23:54,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54 WrapperNode [2024-11-09 05:23:54,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:23:54,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:23:54,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:23:54,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:23:54,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,411 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-11-09 05:23:54,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:23:54,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:23:54,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:23:54,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:23:54,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:23:54,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:23:54,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:23:54,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:23:54,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (1/1) ... [2024-11-09 05:23:54,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:23:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:23:54,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:23:54,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:23:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:23:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:23:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:23:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:23:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:23:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:23:54,665 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:23:54,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:24:02,285 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:24:02,285 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:24:02,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:24:02,302 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:24:02,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:24:02 BoogieIcfgContainer [2024-11-09 05:24:02,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:24:02,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:24:02,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:24:02,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:24:02,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:23:53" (1/3) ... [2024-11-09 05:24:02,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:24:02, skipping insertion in model container [2024-11-09 05:24:02,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:54" (2/3) ... [2024-11-09 05:24:02,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:24:02, skipping insertion in model container [2024-11-09 05:24:02,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:24:02" (3/3) ... [2024-11-09 05:24:02,311 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-09 05:24:02,329 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:24:02,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:24:02,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:24:02,447 INFO L333 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, 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;@4c2eab6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:24:02,451 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:24:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 05:24:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 05:24:02,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:02,478 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:24:02,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:24:02,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1088591975, now seen corresponding path program 1 times [2024-11-09 05:24:02,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:24:02,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99532713] [2024-11-09 05:24:02,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:02,503 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 [2024-11-09 05:24:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:24:02,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:24:02,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:24:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:03,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:24:03,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-09 05:24:04,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:24:04,068 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:24:04,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99532713] [2024-11-09 05:24:04,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99532713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:04,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:24:04,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:24:04,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185154078] [2024-11-09 05:24:04,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:04,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:24:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:24:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:24:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:24:04,115 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:24:04,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:04,160 INFO L93 Difference]: Finished difference Result 123 states and 204 transitions. [2024-11-09 05:24:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:24:04,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-09 05:24:04,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:04,171 INFO L225 Difference]: With dead ends: 123 [2024-11-09 05:24:04,172 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 05:24:04,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:24:04,182 INFO L432 NwaCegarLoop]: 90 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, 90 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 [2024-11-09 05:24:04,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:24:04,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 05:24:04,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-09 05:24:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 05:24:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2024-11-09 05:24:04,248 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 144 [2024-11-09 05:24:04,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:04,261 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2024-11-09 05:24:04,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:24:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2024-11-09 05:24:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 05:24:04,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:04,268 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:24:04,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:24:04,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:24:04,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:24:04,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:04,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1342963125, now seen corresponding path program 1 times [2024-11-09 05:24:04,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:24:04,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914230221] [2024-11-09 05:24:04,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:04,472 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 [2024-11-09 05:24:04,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:24:04,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:24:04,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:24:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:05,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:24:05,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-09 05:24:07,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:24:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 05:24:09,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:24:09,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914230221] [2024-11-09 05:24:09,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914230221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:24:09,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1558164091] [2024-11-09 05:24:09,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:09,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:24:09,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:24:09,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:24:09,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:24:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:11,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:24:11,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-09 05:24:13,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:24:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 05:24:14,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1558164091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:24:14,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215356762] [2024-11-09 05:24:14,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:14,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:24:14,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:24:14,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:24:14,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:24:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:15,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:24:15,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-09 05:24:16,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:24:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 05:24:17,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215356762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:24:17,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:24:17,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-09 05:24:17,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281642293] [2024-11-09 05:24:17,971 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:24:17,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:24:17,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:24:17,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:24:17,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:24:17,974 INFO L87 Difference]: Start difference. First operand 59 states and 85 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 05:24:22,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:24,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:26,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:26,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:26,699 INFO L93 Difference]: Finished difference Result 123 states and 174 transitions. [2024-11-09 05:24:26,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:24:26,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 144 [2024-11-09 05:24:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:26,793 INFO L225 Difference]: With dead ends: 123 [2024-11-09 05:24:26,793 INFO L226 Difference]: Without dead ends: 67 [2024-11-09 05:24:26,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 850 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:24:26,795 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 37 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:26,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 121 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2024-11-09 05:24:26,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-09 05:24:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-11-09 05:24:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 05:24:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2024-11-09 05:24:26,820 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 144 [2024-11-09 05:24:26,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:26,821 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2024-11-09 05:24:26,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 05:24:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2024-11-09 05:24:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 05:24:26,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:26,824 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:24:26,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:24:27,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 05:24:27,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:24:27,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:24:27,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:24:27,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2142657545, now seen corresponding path program 1 times [2024-11-09 05:24:27,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:24:27,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664684445] [2024-11-09 05:24:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:27,426 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 [2024-11-09 05:24:27,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:24:27,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:24:27,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa865770-3e86-42d0-b3b3-ef0dca11212a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:24:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:28,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:24:28,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:25:04,740 WARN L851 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_9~0) (_ bv0 32)) (= c_~var_1_10~0 (_ bv2 32)) (not (fp.eq (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0))) c_~var_1_5~0)) (let ((.cse0 (bvadd ((_ sign_extend 24) c_~var_1_12~0) ((_ sign_extend 24) c_~var_1_13~0))) (.cse2 (bvadd (_ bv10 32) (bvneg ((_ sign_extend 24) c_~var_1_14~0))))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_11~0) .cse1) (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_11~0)))))) is different from false [2024-11-09 05:25:06,803 WARN L873 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_9~0) (_ bv0 32)) (= c_~var_1_10~0 (_ bv2 32)) (not (fp.eq (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0))) c_~var_1_5~0)) (let ((.cse0 (bvadd ((_ sign_extend 24) c_~var_1_12~0) ((_ sign_extend 24) c_~var_1_13~0))) (.cse2 (bvadd (_ bv10 32) (bvneg ((_ sign_extend 24) c_~var_1_14~0))))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_11~0) .cse1) (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_11~0)))))) is different from true [2024-11-09 05:25:45,768 WARN L851 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_9~0) (_ bv0 32)) (= c_~var_1_10~0 (_ bv2 32)) (not (fp.eq (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0))) c_~var_1_5~0)) (= (_ bv0 8) c_~var_1_1~0) (let ((.cse0 (bvadd ((_ sign_extend 24) c_~var_1_12~0) ((_ sign_extend 24) c_~var_1_13~0))) (.cse2 (bvadd (_ bv10 32) (bvneg ((_ sign_extend 24) c_~var_1_14~0))))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_11~0) .cse1) (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_11~0)))))) is different from false [2024-11-09 05:25:47,831 WARN L873 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_9~0) (_ bv0 32)) (= c_~var_1_10~0 (_ bv2 32)) (not (fp.eq (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0))) c_~var_1_5~0)) (= (_ bv0 8) c_~var_1_1~0) (let ((.cse0 (bvadd ((_ sign_extend 24) c_~var_1_12~0) ((_ sign_extend 24) c_~var_1_13~0))) (.cse2 (bvadd (_ bv10 32) (bvneg ((_ sign_extend 24) c_~var_1_14~0))))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_11~0) .cse1) (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_11~0)))))) is different from true