./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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_f258d255-e538-4598-bb74-a86361e31207/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 f7bea5741e988234a3cc25ba095c1dd45131a854b9775fd89c7f497f9d6fb0dd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:36,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:36,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:03:36,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:36,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:36,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:36,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:36,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:36,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:36,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:36,214 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:36,214 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:36,215 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:36,217 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:03:36,217 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:36,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:36,219 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:03:36,219 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:03:36,219 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:36,220 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:03:36,220 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:03:36,224 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:03:36,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:36,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:36,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:36,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:03:36,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:36,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:36,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:36,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:36,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:36,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:36,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:36,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:36,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:36,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:36,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:36,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:36,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:36,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:36,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:36,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:36,235 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:03:36,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:03:36,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:36,236 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:36,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:03:36,237 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_f258d255-e538-4598-bb74-a86361e31207/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7bea5741e988234a3cc25ba095c1dd45131a854b9775fd89c7f497f9d6fb0dd [2024-11-09 07:03:36,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:36,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:36,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:36,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:36,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:36,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i Unable to find full path for "g++" [2024-11-09 07:03:38,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:39,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:39,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i [2024-11-09 07:03:39,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data/a59cd8e8c/9229d85b690444e59365ddbab712d351/FLAG0b9913eeb [2024-11-09 07:03:39,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data/a59cd8e8c/9229d85b690444e59365ddbab712d351 [2024-11-09 07:03:39,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:39,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:39,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:39,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:39,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:39,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1124d64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39, skipping insertion in model container [2024-11-09 07:03:39,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:39,567 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_f258d255-e538-4598-bb74-a86361e31207/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i[913,926] [2024-11-09 07:03:39,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:39,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:39,671 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_f258d255-e538-4598-bb74-a86361e31207/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i[913,926] [2024-11-09 07:03:39,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:39,744 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:39,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39 WrapperNode [2024-11-09 07:03:39,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:39,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:39,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:39,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:39,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,821 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2024-11-09 07:03:39,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:39,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:39,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:39,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:39,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:39,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:39,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:39,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:39,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (1/1) ... [2024-11-09 07:03:39,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:39,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:39,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:39,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:03:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:03:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:03:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:40,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:40,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:40,618 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 07:03:40,619 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:03:40,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:03:40,859 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:03:40,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:40 BoogieIcfgContainer [2024-11-09 07:03:40,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:03:40,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:03:40,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:03:40,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:03:40,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:39" (1/3) ... [2024-11-09 07:03:40,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d204b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:40, skipping insertion in model container [2024-11-09 07:03:40,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:39" (2/3) ... [2024-11-09 07:03:40,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d204b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:40, skipping insertion in model container [2024-11-09 07:03:40,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:40" (3/3) ... [2024-11-09 07:03:40,871 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-67.i [2024-11-09 07:03:40,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:03:40,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:03:40,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:03:40,977 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;@24411b28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:03:40,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:03:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:03:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 07:03:40,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:40,993 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:40,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:41,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:41,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1358242750, now seen corresponding path program 1 times [2024-11-09 07:03:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:03:41,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828903569] [2024-11-09 07:03:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:41,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:03:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:03:41,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053055735] [2024-11-09 07:03:41,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:41,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:41,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:41,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:03:41,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:03:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:03:41,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:03:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:03:42,100 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:03:42,103 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:03:42,104 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:03:42,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:03:42,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:03:42,311 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:03:42,445 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:03:42,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:03:42 BoogieIcfgContainer [2024-11-09 07:03:42,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:03:42,448 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:03:42,448 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:03:42,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:03:42,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:40" (3/4) ... [2024-11-09 07:03:42,452 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:03:42,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:03:42,454 INFO L158 Benchmark]: Toolchain (without parser) took 3132.66ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 83.1MB in the end (delta: 35.7MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-09 07:03:42,455 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:42,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.97ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 102.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:03:42,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.77ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 98.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:03:42,457 INFO L158 Benchmark]: Boogie Preprocessor took 49.86ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:03:42,457 INFO L158 Benchmark]: RCFGBuilder took 986.75ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 82.2MB in the end (delta: 14.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-09 07:03:42,458 INFO L158 Benchmark]: TraceAbstraction took 1586.21ms. Allocated memory is still 148.9MB. Free memory was 81.4MB in the beginning and 84.2MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:42,458 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 148.9MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:03:42,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.97ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 102.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.77ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 98.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.86ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 986.75ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 82.2MB in the end (delta: 14.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1586.21ms. Allocated memory is still 148.9MB. Free memory was 81.4MB in the beginning and 84.2MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 148.9MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseOr at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someUnaryFLOAToperation at line 83, overapproximation of someBinaryArithmeticFLOAToperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 25; [L25] unsigned char var_1_6 = 1; [L26] float var_1_7 = 7.5; [L27] signed long int var_1_8 = -1000; [L28] float var_1_9 = 9.25; [L29] float var_1_10 = 64.5; [L30] float var_1_11 = 16.25; [L31] signed char var_1_12 = 2; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 0; [L34] float var_1_15 = 0.6; [L35] signed char var_1_16 = 32; [L36] unsigned short int var_1_17 = 2; [L37] unsigned short int var_1_19 = 63241; [L38] unsigned short int var_1_20 = 58697; [L39] unsigned short int var_1_21 = 25516; [L40] unsigned long int var_1_22 = 3301682525; [L41] double last_1_var_1_1 = 9.75; [L42] unsigned char last_1_var_1_3 = 1; [L43] float last_1_var_1_7 = 7.5; [L44] signed char last_1_var_1_12 = 2; [L45] float last_1_var_1_15 = 0.6; [L46] unsigned short int last_1_var_1_17 = 2; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L131] last_1_var_1_1 = var_1_1 [L132] last_1_var_1_3 = var_1_3 [L133] last_1_var_1_7 = var_1_7 [L134] last_1_var_1_12 = var_1_12 [L135] last_1_var_1_15 = var_1_15 [L136] last_1_var_1_17 = var_1_17 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L98] var_1_6 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L101] var_1_8 = __VERIFIER_nondet_long() [L102] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L103] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L104] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133, var_1_9=37/4] [L105] var_1_9 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L107] var_1_10 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L109] var_1_11 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L111] var_1_13 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L113] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L114] var_1_14 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L116] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L117] var_1_19 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L119] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L120] var_1_20 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L122] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L123] var_1_21 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L125] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L126] var_1_22 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L128] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32768, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=133] [L147] RET updateVariables() [L148] CALL step() [L50] EXPR ((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12 [L50] signed long int stepLocal_2 = ((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12; [L51] COND FALSE !(last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) [L60] unsigned long int stepLocal_3 = var_1_22 - var_1_20; [L61] COND TRUE \read(last_1_var_1_3) [L62] COND TRUE \read(var_1_6) [L63] COND TRUE \read(last_1_var_1_3) [L64] var_1_17 = var_1_14 [L78] var_1_3 = (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6) [L79] COND TRUE 50 != var_1_16 [L80] var_1_1 = (1.00000000000025E12 - 24.25) [L82] var_1_12 = (var_1_13 - var_1_14) [L83] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L84] unsigned char stepLocal_1 = var_1_3; [L85] signed long int stepLocal_0 = (var_1_16 + 100) / var_1_8; [L86] COND TRUE stepLocal_0 >= var_1_17 [L87] COND TRUE stepLocal_1 || (var_1_17 > (var_1_17 * var_1_8)) [L88] var_1_7 = var_1_9 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) [L139-L140] return (((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (last_1_var_1_3 ? (var_1_6 ? (last_1_var_1_3 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((last_1_var_1_1 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=-1, var_1_13=-1, var_1_14=0, var_1_15=2, var_1_16=32, var_1_17=0, var_1_19=32768, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=3, var_1_8=133, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=-1, var_1_13=-1, var_1_14=0, var_1_15=2, var_1_16=32, var_1_17=0, var_1_19=32768, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=3, var_1_8=133, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 2 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 07:03:42,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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_f258d255-e538-4598-bb74-a86361e31207/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 f7bea5741e988234a3cc25ba095c1dd45131a854b9775fd89c7f497f9d6fb0dd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:44,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:45,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:03:45,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:45,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:45,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:45,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:45,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:45,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:45,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:45,161 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:45,161 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:45,161 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:45,162 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:45,162 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:45,162 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:45,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:45,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:45,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:45,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:45,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:45,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:45,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:45,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:45,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:03:45,173 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:03:45,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:45,173 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:03:45,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:45,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:45,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:45,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:45,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:03:45,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:45,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:45,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:45,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:45,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:45,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:45,177 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:03:45,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:45,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:45,178 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:45,179 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_f258d255-e538-4598-bb74-a86361e31207/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7bea5741e988234a3cc25ba095c1dd45131a854b9775fd89c7f497f9d6fb0dd [2024-11-09 07:03:45,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:45,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:45,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:45,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:45,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:45,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i Unable to find full path for "g++" [2024-11-09 07:03:48,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:48,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:48,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i [2024-11-09 07:03:48,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data/af4a55de5/4019fedab6e243d8ba21f1d50a3110c6/FLAG3b3490f1c [2024-11-09 07:03:48,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/data/af4a55de5/4019fedab6e243d8ba21f1d50a3110c6 [2024-11-09 07:03:48,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:48,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:48,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:48,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:48,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:48,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d83c8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48, skipping insertion in model container [2024-11-09 07:03:48,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:48,595 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_f258d255-e538-4598-bb74-a86361e31207/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i[913,926] [2024-11-09 07:03:48,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:48,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:48,680 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_f258d255-e538-4598-bb74-a86361e31207/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-67.i[913,926] [2024-11-09 07:03:48,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:48,741 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:48,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48 WrapperNode [2024-11-09 07:03:48,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:48,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:48,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:48,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:48,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,787 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-09 07:03:48,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:48,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:48,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:48,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:48,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:48,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:48,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:48,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:48,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (1/1) ... [2024-11-09 07:03:48,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:48,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:48,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:48,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:03:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:03:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:03:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:48,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:48,989 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:50,486 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 07:03:50,487 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:03:50,508 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:03:50,509 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:03:50,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:50 BoogieIcfgContainer [2024-11-09 07:03:50,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:03:50,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:03:50,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:03:50,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:03:50,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:48" (1/3) ... [2024-11-09 07:03:50,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c3c4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:50, skipping insertion in model container [2024-11-09 07:03:50,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:48" (2/3) ... [2024-11-09 07:03:50,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c3c4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:50, skipping insertion in model container [2024-11-09 07:03:50,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:50" (3/3) ... [2024-11-09 07:03:50,521 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-67.i [2024-11-09 07:03:50,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:03:50,537 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:03:50,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:03:50,601 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;@27433d7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:03:50,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:03:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:03:50,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 07:03:50,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:50,620 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:50,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:50,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:50,626 INFO L85 PathProgramCache]: Analyzing trace with hash -606640848, now seen corresponding path program 1 times [2024-11-09 07:03:50,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:50,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341367458] [2024-11-09 07:03:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:50,641 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 07:03:50,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:50,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:03:50,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:03:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:51,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:03:51,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 07:03:51,902 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:51,902 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:51,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341367458] [2024-11-09 07:03:51,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341367458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:51,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:51,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:03:51,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307698227] [2024-11-09 07:03:51,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:51,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:03:51,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:51,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:03:51,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:03:51,947 INFO L87 Difference]: Start difference. First operand has 67 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:03:53,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:54,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:54,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:54,522 INFO L93 Difference]: Finished difference Result 188 states and 341 transitions. [2024-11-09 07:03:54,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:03:54,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2024-11-09 07:03:54,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:54,550 INFO L225 Difference]: With dead ends: 188 [2024-11-09 07:03:54,550 INFO L226 Difference]: Without dead ends: 124 [2024-11-09 07:03:54,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:03:54,560 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 59 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:54,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 262 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 07:03:54,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-09 07:03:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2024-11-09 07:03:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 63 states have internal predecessors, (78), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 07:03:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 166 transitions. [2024-11-09 07:03:54,659 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 166 transitions. Word has length 138 [2024-11-09 07:03:54,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:54,663 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 166 transitions. [2024-11-09 07:03:54,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:03:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 166 transitions. [2024-11-09 07:03:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 07:03:54,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:54,669 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:54,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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)] Ended with exit code 0 [2024-11-09 07:03:54,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:03:54,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:54,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:54,872 INFO L85 PathProgramCache]: Analyzing trace with hash -881623006, now seen corresponding path program 1 times [2024-11-09 07:03:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:54,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701118474] [2024-11-09 07:03:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:54,874 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 07:03:54,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:54,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:03:54,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:03:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:55,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:03:55,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-09 07:03:55,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-09 07:03:56,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:56,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701118474] [2024-11-09 07:03:56,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701118474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:56,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1084136209] [2024-11-09 07:03:56,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:56,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:56,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:03:56,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:03:56,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 07:03:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:57,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:03:57,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-09 07:03:58,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-09 07:03:59,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1084136209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:59,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023346838] [2024-11-09 07:03:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:59,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:59,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:59,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:03:59,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:03:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:59,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:03:59,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-09 07:04:00,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:04:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-09 07:04:00,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023346838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:04:00,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 07:04:00,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-09 07:04:00,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011234073] [2024-11-09 07:04:00,792 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 07:04:00,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:04:00,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:04:00,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:04:00,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:04:00,796 INFO L87 Difference]: Start difference. First operand 110 states and 166 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-09 07:04:02,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:02,368 INFO L93 Difference]: Finished difference Result 180 states and 264 transitions. [2024-11-09 07:04:02,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 07:04:02,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 140 [2024-11-09 07:04:02,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:02,393 INFO L225 Difference]: With dead ends: 180 [2024-11-09 07:04:02,394 INFO L226 Difference]: Without dead ends: 120 [2024-11-09 07:04:02,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 826 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:04:02,399 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 30 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:04:02,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 145 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 07:04:02,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-09 07:04:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2024-11-09 07:04:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 67 states have (on average 1.164179104477612) internal successors, (78), 67 states have internal predecessors, (78), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 07:04:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-11-09 07:04:02,441 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 140 [2024-11-09 07:04:02,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:02,442 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-11-09 07:04:02,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-09 07:04:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-11-09 07:04:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 07:04:02,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:02,449 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:02,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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)] Ended with exit code 0 [2024-11-09 07:04:02,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 07:04:02,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 07:04:03,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:04:03,050 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:03,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash -455014630, now seen corresponding path program 1 times [2024-11-09 07:04:03,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:04:03,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709687030] [2024-11-09 07:04:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:03,053 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 07:04:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:04:03,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:04:03,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f258d255-e538-4598-bb74-a86361e31207/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 07:04:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:03,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 07:04:03,448 INFO L278 TraceCheckSpWp]: Computing forward predicates...