./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 bace99ce93e5ece7a5d4929375122218229d03f0bd524bcb0f242f4f10c4f45b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:47:20,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:47:20,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:47:20,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:47:20,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:47:20,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:47:20,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:47:20,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:47:20,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:47:20,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:47:20,545 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:47:20,545 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:47:20,546 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:47:20,546 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:47:20,547 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:47:20,547 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:47:20,547 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:47:20,548 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:47:20,548 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:47:20,549 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:47:20,549 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:47:20,550 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:47:20,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:47:20,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:47:20,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:47:20,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:47:20,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:47:20,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:47:20,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:47:20,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:47:20,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:47:20,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:47:20,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:47:20,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:47:20,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:47:20,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:47:20,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:47:20,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:47:20,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:47:20,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:47:20,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:47:20,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:47:20,562 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:47:20,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:47:20,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:47:20,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:47:20,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:47:20,564 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_d3be505a-9364-4488-aee1-1ae0a5c5899a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bace99ce93e5ece7a5d4929375122218229d03f0bd524bcb0f242f4f10c4f45b [2024-11-09 06:47:20,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:47:20,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:47:20,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:47:20,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:47:20,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:47:20,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i Unable to find full path for "g++" [2024-11-09 06:47:23,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:47:23,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:47:23,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i [2024-11-09 06:47:23,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data/668d8cce5/f9cc28aa90b04a42b6b3b31100a68c80/FLAGc0c7ff9b6 [2024-11-09 06:47:23,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data/668d8cce5/f9cc28aa90b04a42b6b3b31100a68c80 [2024-11-09 06:47:23,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:47:23,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:47:23,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:47:23,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:47:23,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:47:23,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34049ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23, skipping insertion in model container [2024-11-09 06:47:23,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:47:23,672 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_d3be505a-9364-4488-aee1-1ae0a5c5899a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i[915,928] [2024-11-09 06:47:23,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:47:23,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:47:23,779 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_d3be505a-9364-4488-aee1-1ae0a5c5899a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i[915,928] [2024-11-09 06:47:23,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:47:23,836 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:47:23,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23 WrapperNode [2024-11-09 06:47:23,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:47:23,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:47:23,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:47:23,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:47:23,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,925 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2024-11-09 06:47:23,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:47:23,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:47:23,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:47:23,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:47:23,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:47:23,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:47:23,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:47:23,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:47:23,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (1/1) ... [2024-11-09 06:47:23,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:47:24,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:47:24,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:47:24,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:47:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:47:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:47:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:47:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:47:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:47:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:47:24,197 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:47:24,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:47:24,736 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:47:24,736 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:47:25,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:47:25,011 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:47:25,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:47:25 BoogieIcfgContainer [2024-11-09 06:47:25,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:47:25,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:47:25,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:47:25,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:47:25,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:47:23" (1/3) ... [2024-11-09 06:47:25,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337e2ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:47:25, skipping insertion in model container [2024-11-09 06:47:25,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:23" (2/3) ... [2024-11-09 06:47:25,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337e2ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:47:25, skipping insertion in model container [2024-11-09 06:47:25,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:47:25" (3/3) ... [2024-11-09 06:47:25,027 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-49.i [2024-11-09 06:47:25,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:47:25,054 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:47:25,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:47:25,168 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;@458054ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:47:25,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:47:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:47:25,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 06:47:25,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:47:25,187 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:25,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:47:25,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:47:25,196 INFO L85 PathProgramCache]: Analyzing trace with hash 538868944, now seen corresponding path program 1 times [2024-11-09 06:47:25,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:47:25,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750798717] [2024-11-09 06:47:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:25,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:47:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:47:25,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191462506] [2024-11-09 06:47:25,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:25,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:47:25,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:47:25,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:47:25,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:47:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:47:26,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:47:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:47:26,678 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:47:26,681 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:47:26,682 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:47:26,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:47:26,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:47:26,893 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:47:27,032 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:47:27,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:47:27 BoogieIcfgContainer [2024-11-09 06:47:27,036 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:47:27,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:47:27,037 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:47:27,037 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:47:27,038 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:47:25" (3/4) ... [2024-11-09 06:47:27,043 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:47:27,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:47:27,047 INFO L158 Benchmark]: Toolchain (without parser) took 3702.94ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 114.8MB in the end (delta: 29.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-09 06:47:27,048 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 119.5MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:47:27,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.86ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 138.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:47:27,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.15ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 135.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:47:27,051 INFO L158 Benchmark]: Boogie Preprocessor took 43.07ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:47:27,054 INFO L158 Benchmark]: RCFGBuilder took 1041.93ms. Allocated memory is still 178.3MB. Free memory was 133.1MB in the beginning and 84.9MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-09 06:47:27,054 INFO L158 Benchmark]: TraceAbstraction took 2020.65ms. Allocated memory is still 178.3MB. Free memory was 83.8MB in the beginning and 114.8MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:47:27,055 INFO L158 Benchmark]: Witness Printer took 7.85ms. Allocated memory is still 178.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:47:27,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 119.5MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.86ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 138.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.15ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 135.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.07ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1041.93ms. Allocated memory is still 178.3MB. Free memory was 133.1MB in the beginning and 84.9MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2020.65ms. Allocated memory is still 178.3MB. Free memory was 83.8MB in the beginning and 114.8MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.85ms. Allocated memory is still 178.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of bitwiseAnd at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 10; [L23] unsigned long int var_1_3 = 3171453299; [L24] unsigned long int var_1_4 = 2038274679; [L25] unsigned long int var_1_5 = 1375699353; [L26] unsigned short int var_1_8 = 16; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 1; [L29] double var_1_14 = 64.45; [L30] float var_1_15 = 31.15; [L31] float var_1_16 = 16.4; [L32] double var_1_17 = 100.625; [L33] double var_1_18 = 128.1; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 8; [L36] unsigned char var_1_21 = 100; [L37] unsigned char var_1_22 = 0; [L38] signed char var_1_23 = 2; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int last_1_var_1_1 = 10; [L41] unsigned short int last_1_var_1_8 = 16; [L42] unsigned char last_1_var_1_12 = 1; [L43] unsigned char last_1_var_1_19 = 1; [L44] unsigned char last_1_var_1_22 = 0; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L123] last_1_var_1_1 = var_1_1 [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_12 = var_1_12 [L126] last_1_var_1_19 = var_1_19 [L127] last_1_var_1_22 = var_1_22 [L137] RET updateLastVariables() [L138] CALL updateVariables() [L88] var_1_3 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L90] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L91] var_1_4 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_4 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=1375699353, var_1_8=16] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=1375699353, var_1_8=16] [L94] var_1_5 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_5 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= 1073741824) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L100] var_1_15 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L102] var_1_16 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L104] var_1_17 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L106] var_1_18 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L108] var_1_20 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L110] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L111] var_1_21 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L113] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L114] var_1_23 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_23 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 >= -128) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L116] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L117] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L118] var_1_24 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L120] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=16] [L138] RET updateVariables() [L139] CALL step() [L48] COND TRUE ! last_1_var_1_22 [L49] COND TRUE (last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19 [L50] var_1_12 = var_1_13 [L55] COND TRUE \read(last_1_var_1_12) [L56] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)) [L58] COND FALSE !(var_1_13 && last_1_var_1_22) [L65] var_1_8 = ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19))))) [L66] COND TRUE (((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16 [L67] var_1_14 = ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) [L69] EXPR var_1_19 & var_1_4 [L69] COND TRUE (-2 / var_1_23) >= (var_1_19 & var_1_4) [L70] COND TRUE var_1_21 >= (var_1_1 + var_1_5) [L71] COND FALSE !((~ var_1_19) > var_1_20) [L78] var_1_22 = var_1_13 [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) [L130-L131] return (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=1289/20, var_1_18=0, var_1_19=1, var_1_1=-1610612745, var_1_20=0, var_1_21=-2, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=102] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=1289/20, var_1_18=0, var_1_19=1, var_1_1=-1610612745, var_1_20=0, var_1_21=-2, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-7516192768, var_1_5=5905580295, var_1_8=102] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 21, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 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 06:47:27,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 bace99ce93e5ece7a5d4929375122218229d03f0bd524bcb0f242f4f10c4f45b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:47:29,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:47:29,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:47:29,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:47:29,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:47:29,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:47:30,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:47:30,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:47:30,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:47:30,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:47:30,005 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:47:30,005 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:47:30,007 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:47:30,011 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:47:30,011 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:47:30,012 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:47:30,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:47:30,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:47:30,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:47:30,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:47:30,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:47:30,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:47:30,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:47:30,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:47:30,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:47:30,020 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:47:30,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:47:30,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:47:30,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:47:30,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:47:30,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:47:30,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:47:30,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:47:30,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:47:30,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:47:30,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:47:30,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:47:30,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:47:30,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:47:30,031 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:47:30,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:47:30,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:47:30,033 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:47:30,033 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_d3be505a-9364-4488-aee1-1ae0a5c5899a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bace99ce93e5ece7a5d4929375122218229d03f0bd524bcb0f242f4f10c4f45b [2024-11-09 06:47:30,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:47:30,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:47:30,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:47:30,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:47:30,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:47:30,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i Unable to find full path for "g++" [2024-11-09 06:47:32,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:47:33,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:47:33,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i [2024-11-09 06:47:33,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data/b40c47e6c/7da01868e8ff4822846a8788087f3423/FLAGe5cf0c284 [2024-11-09 06:47:33,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/data/b40c47e6c/7da01868e8ff4822846a8788087f3423 [2024-11-09 06:47:33,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:47:33,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:47:33,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:47:33,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:47:33,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:47:33,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f112d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33, skipping insertion in model container [2024-11-09 06:47:33,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:47:33,592 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_d3be505a-9364-4488-aee1-1ae0a5c5899a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i[915,928] [2024-11-09 06:47:33,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:47:33,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:47:33,756 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_d3be505a-9364-4488-aee1-1ae0a5c5899a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-49.i[915,928] [2024-11-09 06:47:33,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:47:33,837 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:47:33,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33 WrapperNode [2024-11-09 06:47:33,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:47:33,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:47:33,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:47:33,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:47:33,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,922 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-09 06:47:33,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:47:33,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:47:33,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:47:33,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:47:33,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:33,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:34,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:34,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:47:34,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:47:34,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:47:34,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:47:34,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (1/1) ... [2024-11-09 06:47:34,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:47:34,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:47:34,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:47:34,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:47:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:47:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:47:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:47:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:47:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:47:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:47:34,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:47:34,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:47:34,911 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 06:47:34,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:47:34,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:47:34,937 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:47:34,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:47:34 BoogieIcfgContainer [2024-11-09 06:47:34,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:47:34,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:47:34,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:47:34,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:47:34,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:47:33" (1/3) ... [2024-11-09 06:47:34,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b6c43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:47:34, skipping insertion in model container [2024-11-09 06:47:34,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:47:33" (2/3) ... [2024-11-09 06:47:34,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b6c43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:47:34, skipping insertion in model container [2024-11-09 06:47:34,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:47:34" (3/3) ... [2024-11-09 06:47:34,951 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-49.i [2024-11-09 06:47:34,979 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:47:34,979 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:47:35,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:47:35,101 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;@53485858, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:47:35,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:47:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:47:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 06:47:35,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:47:35,129 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:35,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:47:35,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:47:35,137 INFO L85 PathProgramCache]: Analyzing trace with hash -697603126, now seen corresponding path program 1 times [2024-11-09 06:47:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:47:35,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035933791] [2024-11-09 06:47:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:35,154 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 06:47:35,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:47:35,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:35,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:47:35,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:47:35,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:47:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:47:35,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:47:35,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:47:35,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035933791] [2024-11-09 06:47:35,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035933791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:47:35,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:47:35,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:47:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102475956] [2024-11-09 06:47:35,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:47:35,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:47:35,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:47:35,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:47:35,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:47:35,746 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 06:47:35,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:47:35,792 INFO L93 Difference]: Finished difference Result 118 states and 205 transitions. [2024-11-09 06:47:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:47:35,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-11-09 06:47:35,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:47:35,806 INFO L225 Difference]: With dead ends: 118 [2024-11-09 06:47:35,806 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 06:47:35,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:47:35,815 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:47:35,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:47:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 06:47:35,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 06:47:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:47:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2024-11-09 06:47:35,895 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 132 [2024-11-09 06:47:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:47:35,897 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2024-11-09 06:47:35,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 06:47:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-09 06:47:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 06:47:35,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:47:35,906 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:35,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:47:36,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:36,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:47:36,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:47:36,109 INFO L85 PathProgramCache]: Analyzing trace with hash -256605100, now seen corresponding path program 1 times [2024-11-09 06:47:36,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:47:36,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892444457] [2024-11-09 06:47:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:36,112 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 06:47:36,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:47:36,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:36,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:47:36,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:47:36,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:47:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 06:47:37,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:47:37,280 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:47:37,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892444457] [2024-11-09 06:47:37,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892444457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:47:37,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:47:37,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:47:37,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628212512] [2024-11-09 06:47:37,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:47:37,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:47:37,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:47:37,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:47:37,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:47:37,290 INFO L87 Difference]: Start difference. First operand 58 states and 86 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:47:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:47:37,806 INFO L93 Difference]: Finished difference Result 175 states and 263 transitions. [2024-11-09 06:47:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:47:37,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-11-09 06:47:37,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:47:37,818 INFO L225 Difference]: With dead ends: 175 [2024-11-09 06:47:37,818 INFO L226 Difference]: Without dead ends: 120 [2024-11-09 06:47:37,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 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 06:47:37,821 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 63 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:47:37,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 242 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:47:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-09 06:47:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 100. [2024-11-09 06:47:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 06:47:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2024-11-09 06:47:37,875 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 132 [2024-11-09 06:47:37,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:47:37,876 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2024-11-09 06:47:37,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:47:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2024-11-09 06:47:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 06:47:37,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:47:37,881 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:37,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:47:38,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:38,083 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:47:38,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:47:38,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1902719312, now seen corresponding path program 1 times [2024-11-09 06:47:38,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:47:38,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135069928] [2024-11-09 06:47:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:38,089 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 06:47:38,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:47:38,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:38,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 06:47:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:47:38,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:47:38,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:47:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 06:47:39,021 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:47:39,021 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:47:39,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135069928] [2024-11-09 06:47:39,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135069928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:47:39,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:47:39,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:47:39,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673134836] [2024-11-09 06:47:39,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:47:39,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:47:39,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:47:39,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:47:39,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:47:39,024 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:47:39,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:47:39,526 INFO L93 Difference]: Finished difference Result 228 states and 339 transitions. [2024-11-09 06:47:39,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:47:39,527 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2024-11-09 06:47:39,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:47:39,530 INFO L225 Difference]: With dead ends: 228 [2024-11-09 06:47:39,530 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 06:47:39,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 06:47:39,533 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 58 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:47:39,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 261 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:47:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 06:47:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 154. [2024-11-09 06:47:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 87 states have (on average 1.1839080459770115) internal successors, (103), 87 states have internal predecessors, (103), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 06:47:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 229 transitions. [2024-11-09 06:47:39,570 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 229 transitions. Word has length 133 [2024-11-09 06:47:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:47:39,571 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 229 transitions. [2024-11-09 06:47:39,572 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:47:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2024-11-09 06:47:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 06:47:39,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:47:39,574 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:39,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 06:47:39,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:39,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:47:39,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:47:39,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1222660942, now seen corresponding path program 1 times [2024-11-09 06:47:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:47:39,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300494434] [2024-11-09 06:47:39,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:39,778 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 06:47:39,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:47:39,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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 06:47:39,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3be505a-9364-4488-aee1-1ae0a5c5899a/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)] Waiting until timeout for monitored process [2024-11-09 06:47:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:47:40,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 06:47:40,148 INFO L278 TraceCheckSpWp]: Computing forward predicates...