./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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_86beeaa9-acf6-482b-9296-54cc6ce18441/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 36dea17e52ae82ec9b847adcf854376ec7916bc099161842fdb3db11c193e251 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:59,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:59,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:16:00,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:16:00,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:16:00,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:16:00,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:16:00,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:16:00,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:16:00,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:16:00,062 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:16:00,063 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:16:00,063 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:16:00,065 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:16:00,068 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:16:00,069 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:16:00,069 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:16:00,070 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:16:00,070 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:16:00,071 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:16:00,075 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:16:00,076 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:16:00,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:16:00,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:16:00,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:16:00,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:16:00,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:16:00,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:16:00,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:16:00,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:16:00,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:16:00,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:16:00,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:16:00,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:16:00,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:16:00,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:16:00,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:16:00,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:16:00,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:00,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:16:00,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:16:00,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:16:00,088 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:16:00,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:16:00,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:16:00,091 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:16:00,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:16:00,091 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_86beeaa9-acf6-482b-9296-54cc6ce18441/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36dea17e52ae82ec9b847adcf854376ec7916bc099161842fdb3db11c193e251 [2024-11-09 06:16:00,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:16:00,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:16:00,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:16:00,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:16:00,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:16:00,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i Unable to find full path for "g++" [2024-11-09 06:16:03,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:16:03,368 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:16:03,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i [2024-11-09 06:16:03,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data/c99f7f9cd/169ca98de6d3461b94b3eee94c2666f4/FLAGf7a3ca7f6 [2024-11-09 06:16:03,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data/c99f7f9cd/169ca98de6d3461b94b3eee94c2666f4 [2024-11-09 06:16:03,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:16:03,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:16:03,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:03,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:16:03,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:16:03,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:03" (1/1) ... [2024-11-09 06:16:03,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a1fcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:03, skipping insertion in model container [2024-11-09 06:16:03,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:03" (1/1) ... [2024-11-09 06:16:03,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:16:03,952 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_86beeaa9-acf6-482b-9296-54cc6ce18441/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i[916,929] [2024-11-09 06:16:04,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:04,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:16:04,239 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_86beeaa9-acf6-482b-9296-54cc6ce18441/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i[916,929] [2024-11-09 06:16:04,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:04,330 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:16:04,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04 WrapperNode [2024-11-09 06:16:04,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:04,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:04,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:16:04,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:16:04,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,439 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-11-09 06:16:04,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:04,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:16:04,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:16:04,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:16:04,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:16:04,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:16:04,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:16:04,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:16:04,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (1/1) ... [2024-11-09 06:16:04,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:04,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:04,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:16:04,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:16:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:16:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:16:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:16:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:16:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:16:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:16:04,745 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:16:04,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:16:05,536 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:16:05,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:16:06,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:16:06,002 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:16:06,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:06 BoogieIcfgContainer [2024-11-09 06:16:06,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:16:06,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:16:06,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:16:06,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:16:06,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:16:03" (1/3) ... [2024-11-09 06:16:06,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e335bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:06, skipping insertion in model container [2024-11-09 06:16:06,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:04" (2/3) ... [2024-11-09 06:16:06,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e335bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:06, skipping insertion in model container [2024-11-09 06:16:06,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:06" (3/3) ... [2024-11-09 06:16:06,020 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-83.i [2024-11-09 06:16:06,046 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:16:06,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:16:06,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:16:06,162 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;@323a7476, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:16:06,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:16:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:16:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 06:16:06,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:06,187 INFO L215 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:06,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:06,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1644760167, now seen corresponding path program 1 times [2024-11-09 06:16:06,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:16:06,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575339180] [2024-11-09 06:16:06,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:06,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:16:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:16:07,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621208269] [2024-11-09 06:16:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:07,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:16:07,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:07,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:16:07,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:16:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:16:07,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:16:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:16:07,839 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:16:07,842 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:16:07,844 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:16:07,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:16:08,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:16:08,051 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:16:08,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:16:08,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:16:08 BoogieIcfgContainer [2024-11-09 06:16:08,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:16:08,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:16:08,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:16:08,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:16:08,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:06" (3/4) ... [2024-11-09 06:16:08,216 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:16:08,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:16:08,219 INFO L158 Benchmark]: Toolchain (without parser) took 4590.87ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 97.9MB in the beginning and 67.8MB in the end (delta: 30.2MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-11-09 06:16:08,219 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:16:08,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.64ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 79.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:16:08,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.70ms. Allocated memory is still 130.0MB. Free memory was 79.0MB in the beginning and 73.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:16:08,223 INFO L158 Benchmark]: Boogie Preprocessor took 69.80ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 70.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:16:08,224 INFO L158 Benchmark]: RCFGBuilder took 1491.81ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 70.2MB in the beginning and 104.6MB in the end (delta: -34.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-09 06:16:08,224 INFO L158 Benchmark]: TraceAbstraction took 2204.61ms. Allocated memory is still 184.5MB. Free memory was 104.3MB in the beginning and 67.8MB in the end (delta: 36.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-09 06:16:08,225 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 184.5MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:16:08,229 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.64ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 79.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.70ms. Allocated memory is still 130.0MB. Free memory was 79.0MB in the beginning and 73.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.80ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 70.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1491.81ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 70.2MB in the beginning and 104.6MB in the end (delta: -34.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2204.61ms. Allocated memory is still 184.5MB. Free memory was 104.3MB in the beginning and 67.8MB in the end (delta: 36.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 184.5MB. Free memory is still 67.8MB. 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 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -256; [L23] signed short int var_1_3 = 24009; [L24] signed short int var_1_6 = 19467; [L25] unsigned char var_1_7 = 64; [L26] unsigned char var_1_8 = 200; [L27] unsigned char var_1_9 = 16; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 8; [L30] float var_1_12 = 15.4; [L31] float var_1_14 = 25.75; [L32] float var_1_15 = 9.5; [L33] signed short int var_1_16 = -128; [L34] signed long int var_1_17 = -8; [L35] double var_1_18 = 100.5; [L36] signed char var_1_19 = 16; [L37] unsigned short int var_1_20 = 19664; [L38] unsigned short int var_1_21 = 18224; [L39] signed char var_1_22 = -32; [L40] signed char var_1_23 = -10; [L41] float var_1_24 = 199.875; [L42] float var_1_25 = 0.875; [L43] unsigned char var_1_26 = 0; [L44] unsigned char var_1_27 = 1; [L45] unsigned char var_1_28 = 1; [L46] unsigned char var_1_29 = 0; [L47] unsigned char var_1_30 = 1; [L48] signed short int var_1_31 = -8; [L49] signed char var_1_32 = 2; [L50] signed char var_1_33 = 64; [L51] double last_1_var_1_18 = 100.5; [L52] unsigned char last_1_var_1_30 = 1; [L180] isInitial = 1 [L181] FCALL initially() [L182] COND TRUE 1 [L183] CALL updateLastVariables() [L172] last_1_var_1_18 = var_1_18 [L173] last_1_var_1_30 = var_1_30 [L183] RET updateLastVariables() [L184] CALL updateVariables() [L125] var_1_3 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_3 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=19467, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_3 >= 16382) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=19467, var_1_7=64, var_1_8=200, var_1_9=16] [L127] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=19467, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=19467, var_1_7=64, var_1_8=200, var_1_9=16] [L128] var_1_6 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_6 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_6 >= 16382) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=200, var_1_9=16] [L130] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=200, var_1_9=16] [L131] var_1_8 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=16] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=16] [L133] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=16] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=16] [L134] var_1_9 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2] [L136] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L137] var_1_10 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L139] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=8, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L140] var_1_11 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L142] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_14=103/4, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_15=19/2, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L145] var_1_15 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=19664, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L147] var_1_20 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_20 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_20 >= 16383) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L149] CALL assume_abort_if_not(var_1_20 <= 32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_20 <= 32768) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=18224, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L150] var_1_21 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_21 >= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_21 >= 16384) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L152] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=-10, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L153] var_1_23 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L155] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_25=7/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L156] var_1_25 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L158] var_1_27 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L160] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L163] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L166] CALL assume_abort_if_not(var_1_29 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_29 <= 0) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=64, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L167] var_1_33 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_33 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=63, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_33 >= 63) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=63, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L169] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=63, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_12=77/5, var_1_16=-128, var_1_17=-8, var_1_18=201/2, var_1_19=16, var_1_1=-256, var_1_20=16383, var_1_21=16384, var_1_22=-32, var_1_23=0, var_1_24=1599/8, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=-8, var_1_32=2, var_1_33=63, var_1_3=32766, var_1_6=16382, var_1_7=64, var_1_8=-2, var_1_9=256] [L184] RET updateVariables() [L185] CALL step() [L56] COND TRUE last_1_var_1_18 > (var_1_14 + var_1_15) [L57] var_1_26 = (last_1_var_1_30 || (var_1_27 && var_1_28)) [L61] COND FALSE !(! var_1_26) [L64] var_1_12 = (var_1_15 + var_1_14) [L66] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L67] COND FALSE !(((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) < var_1_12) [L70] COND FALSE !(var_1_7 == (var_1_10 * (var_1_8 + 16))) [L73] var_1_18 = var_1_15 [L75] var_1_24 = (((((var_1_25 - 9.9999999999995E12f)) > (var_1_14)) ? ((var_1_25 - 9.9999999999995E12f)) : (var_1_14))) [L76] COND TRUE (var_1_6 != -16) || (var_1_7 < var_1_7) [L77] var_1_32 = (((((5) < 0 ) ? -(5) : (5))) - ((((var_1_11) < ((var_1_33 - var_1_10))) ? (var_1_11) : ((var_1_33 - var_1_10))))) [L85] COND TRUE \read(var_1_26) [L86] var_1_1 = ((var_1_3 - var_1_7) - var_1_7) [L90] unsigned short int stepLocal_0 = var_1_20; [L91] COND TRUE (- (var_1_25 - 4.6)) < (- var_1_12) [L92] COND FALSE !((var_1_1 + var_1_21) < stepLocal_0) [L95] var_1_30 = var_1_27 [L100] COND FALSE !(var_1_24 == var_1_15) [L109] var_1_19 = -4 [L111] COND TRUE var_1_24 < var_1_14 [L112] var_1_22 = (var_1_11 + var_1_23) [L116] unsigned char stepLocal_1 = var_1_29; [L117] COND TRUE ((var_1_7 / var_1_8) > -4) || stepLocal_1 [L118] var_1_31 = (((((var_1_22 - (var_1_10 + var_1_11))) < (((((var_1_9) < (var_1_23)) ? (var_1_9) : (var_1_23))))) ? ((var_1_22 - (var_1_10 + var_1_11))) : (((((var_1_9) < (var_1_23)) ? (var_1_9) : (var_1_23)))))) [L120] COND FALSE !(var_1_18 <= var_1_15) [L185] RET step() [L186] CALL, EXPR property() [L176-L177] return ((((((((((((var_1_26 ? (var_1_1 == ((signed short int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed short int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((! var_1_26) ? (var_1_12 == ((float) ((var_1_14 + ((((49.5f) < 0 ) ? -(49.5f) : (49.5f)))) + var_1_15))) : (var_1_12 == ((float) (var_1_15 + var_1_14))))) && ((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) < var_1_12) ? (var_1_16 == ((signed short int) -4)) : 1)) && ((var_1_18 <= var_1_15) ? (var_1_17 == ((signed long int) ((((((((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) > (var_1_7)) ? (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) : (var_1_7)))) > ((var_1_3 + var_1_19))) ? (((((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) > (var_1_7)) ? (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) : (var_1_7)))) : ((var_1_3 + var_1_19)))))) : 1)) && ((var_1_7 == (var_1_10 * (var_1_8 + 16))) ? (var_1_18 == ((double) var_1_14)) : (var_1_18 == ((double) var_1_15)))) && ((var_1_24 == var_1_15) ? (var_1_26 ? ((((var_1_20 + var_1_21) - var_1_8) < (((((var_1_7 / var_1_6)) < (-5)) ? ((var_1_7 / var_1_6)) : (-5)))) ? (var_1_19 == ((signed char) (var_1_9 + 8))) : (var_1_19 == ((signed char) var_1_8))) : 1) : (var_1_19 == ((signed char) -4)))) && ((var_1_24 < var_1_14) ? (var_1_22 == ((signed char) (var_1_11 + var_1_23))) : (var_1_22 == ((signed char) var_1_8)))) && (var_1_24 == ((float) (((((var_1_25 - 9.9999999999995E12f)) > (var_1_14)) ? ((var_1_25 - 9.9999999999995E12f)) : (var_1_14)))))) && ((last_1_var_1_18 > (var_1_14 + var_1_15)) ? (var_1_26 == ((unsigned char) (last_1_var_1_30 || (var_1_27 && var_1_28)))) : (var_1_26 == ((unsigned char) (! var_1_29))))) && (((- (var_1_25 - 4.6)) < (- var_1_12)) ? (((var_1_1 + var_1_21) < var_1_20) ? (var_1_30 == ((unsigned char) (var_1_28 || var_1_27))) : (var_1_30 == ((unsigned char) var_1_27))) : (var_1_30 == ((unsigned char) var_1_28)))) && ((((var_1_7 / var_1_8) > -4) || var_1_29) ? (var_1_31 == ((signed short int) (((((var_1_22 - (var_1_10 + var_1_11))) < (((((var_1_9) < (var_1_23)) ? (var_1_9) : (var_1_23))))) ? ((var_1_22 - (var_1_10 + var_1_11))) : (((((var_1_9) < (var_1_23)) ? (var_1_9) : (var_1_23)))))))) : 1)) && (((var_1_6 != -16) || (var_1_7 < var_1_7)) ? (var_1_32 == ((signed char) (((((5) < 0 ) ? -(5) : (5))) - ((((var_1_11) < ((var_1_33 - var_1_10))) ? (var_1_11) : ((var_1_33 - var_1_10))))))) : (var_1_26 ? (var_1_32 == ((signed char) var_1_10)) : (var_1_32 == ((signed char) -8)))) ; [L186] RET, EXPR property() [L186] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_14=0, var_1_15=2, var_1_16=-128, var_1_17=-8, var_1_18=2, var_1_19=-4, var_1_1=32448, var_1_20=16383, var_1_21=16384, var_1_22=5, var_1_23=0, var_1_24=3, var_1_26=1, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=63, var_1_3=32766, var_1_6=16382, var_1_7=159, var_1_8=-2, var_1_9=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=201/2, last_1_var_1_30=1, var_1_10=256, var_1_11=261, var_1_14=0, var_1_15=2, var_1_16=-128, var_1_17=-8, var_1_18=2, var_1_19=-4, var_1_1=32448, var_1_20=16383, var_1_21=16384, var_1_22=5, var_1_23=0, var_1_24=3, var_1_26=1, var_1_27=1, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=63, var_1_3=32766, var_1_6=16382, var_1_7=159, var_1_8=-2, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 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 06:16:08,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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_86beeaa9-acf6-482b-9296-54cc6ce18441/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 36dea17e52ae82ec9b847adcf854376ec7916bc099161842fdb3db11c193e251 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:16:11,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:16:11,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:16:11,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:16:11,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:16:11,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:16:11,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:16:11,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:16:11,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:16:11,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:16:11,511 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:16:11,511 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:16:11,512 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:16:11,513 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:16:11,517 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:16:11,518 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:16:11,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:16:11,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:16:11,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:16:11,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:16:11,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:16:11,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:16:11,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:16:11,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:16:11,525 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:16:11,526 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:16:11,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:16:11,527 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:16:11,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:16:11,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:16:11,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:16:11,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:16:11,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:16:11,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:16:11,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:16:11,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:11,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:16:11,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:16:11,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:16:11,535 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:16:11,535 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:16:11,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:16:11,537 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:16:11,538 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_86beeaa9-acf6-482b-9296-54cc6ce18441/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36dea17e52ae82ec9b847adcf854376ec7916bc099161842fdb3db11c193e251 [2024-11-09 06:16:12,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:16:12,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:16:12,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:16:12,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:16:12,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:16:12,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i Unable to find full path for "g++" [2024-11-09 06:16:14,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:16:15,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:16:15,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i [2024-11-09 06:16:15,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data/58da799f3/c3237867f72a4c28ab96da9b31a5294f/FLAG0af66b079 [2024-11-09 06:16:15,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/data/58da799f3/c3237867f72a4c28ab96da9b31a5294f [2024-11-09 06:16:15,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:16:15,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:16:15,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:15,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:16:15,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:16:15,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:15,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35753009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15, skipping insertion in model container [2024-11-09 06:16:15,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:15,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:16:15,698 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_86beeaa9-acf6-482b-9296-54cc6ce18441/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i[916,929] [2024-11-09 06:16:15,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:15,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:16:15,852 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_86beeaa9-acf6-482b-9296-54cc6ce18441/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-83.i[916,929] [2024-11-09 06:16:15,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:15,945 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:16:15,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15 WrapperNode [2024-11-09 06:16:15,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:15,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:15,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:16:15,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:16:15,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:15,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,054 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-11-09 06:16:16,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:16,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:16:16,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:16:16,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:16:16,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:16:16,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:16:16,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:16:16,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:16:16,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (1/1) ... [2024-11-09 06:16:16,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:16,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:16,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:16:16,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:16:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:16:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:16:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:16:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:16:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:16:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:16:16,467 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:16:16,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:16:23,396 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 06:16:23,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:16:23,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:16:23,423 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:16:23,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:23 BoogieIcfgContainer [2024-11-09 06:16:23,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:16:23,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:16:23,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:16:23,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:16:23,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:16:15" (1/3) ... [2024-11-09 06:16:23,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0cf919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:23, skipping insertion in model container [2024-11-09 06:16:23,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:15" (2/3) ... [2024-11-09 06:16:23,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0cf919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:23, skipping insertion in model container [2024-11-09 06:16:23,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:23" (3/3) ... [2024-11-09 06:16:23,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-83.i [2024-11-09 06:16:23,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:16:23,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:16:23,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:16:23,607 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;@70cb2521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:16:23,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:16:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:16:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 06:16:23,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:23,645 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:23,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:23,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:23,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2119821896, now seen corresponding path program 1 times [2024-11-09 06:16:23,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:23,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718296971] [2024-11-09 06:16:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:23,684 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 06:16:23,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:23,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:23,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:24,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:16:24,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-11-09 06:16:24,686 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:16:24,687 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:24,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718296971] [2024-11-09 06:16:24,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718296971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:24,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:16:24,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:16:24,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764899475] [2024-11-09 06:16:24,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:24,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:16:24,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:24,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:16:24,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:16:24,752 INFO L87 Difference]: Start difference. First operand has 83 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 06:16:24,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:24,819 INFO L93 Difference]: Finished difference Result 159 states and 281 transitions. [2024-11-09 06:16:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:16:24,823 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 185 [2024-11-09 06:16:24,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:24,835 INFO L225 Difference]: With dead ends: 159 [2024-11-09 06:16:24,835 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 06:16:24,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 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 06:16:24,845 INFO L432 NwaCegarLoop]: 121 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, 121 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 06:16:24,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:16:24,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 06:16:24,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-09 06:16:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:16:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2024-11-09 06:16:24,929 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 185 [2024-11-09 06:16:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:24,930 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2024-11-09 06:16:24,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 06:16:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2024-11-09 06:16:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 06:16:24,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:24,937 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:24,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:16:25,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:25,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:25,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:25,140 INFO L85 PathProgramCache]: Analyzing trace with hash -447619978, now seen corresponding path program 1 times [2024-11-09 06:16:25,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:25,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169735250] [2024-11-09 06:16:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:25,142 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 06:16:25,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:25,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:25,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:25,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:16:25,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-09 06:16:26,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 06:16:27,518 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:27,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169735250] [2024-11-09 06:16:27,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169735250] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:27,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [494085157] [2024-11-09 06:16:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:27,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:16:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:16:27,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:16:27,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:16:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:28,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:16:28,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-09 06:16:28,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:16:28,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [494085157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:28,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:16:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 10 [2024-11-09 06:16:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009126812] [2024-11-09 06:16:28,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:28,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:16:28,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:28,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:16:28,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:16:28,450 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 06:16:31,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:33,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:33,497 INFO L93 Difference]: Finished difference Result 229 states and 353 transitions. [2024-11-09 06:16:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:16:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185 [2024-11-09 06:16:33,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:33,558 INFO L225 Difference]: With dead ends: 229 [2024-11-09 06:16:33,559 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 06:16:33,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:16:33,563 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 106 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:16:33,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 225 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 5.0s Time] [2024-11-09 06:16:33,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 06:16:33,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 91. [2024-11-09 06:16:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:16:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 139 transitions. [2024-11-09 06:16:33,587 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 139 transitions. Word has length 185 [2024-11-09 06:16:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:33,590 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 139 transitions. [2024-11-09 06:16:33,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 06:16:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2024-11-09 06:16:33,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 06:16:33,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:33,595 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:33,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 06:16:33,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 06:16:33,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:33,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:33,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:33,998 INFO L85 PathProgramCache]: Analyzing trace with hash -189454540, now seen corresponding path program 1 times [2024-11-09 06:16:33,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:33,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994036891] [2024-11-09 06:16:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:34,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:16:34,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:34,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:34,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:16:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:34,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:16:34,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-09 06:16:35,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 06:16:36,363 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:36,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994036891] [2024-11-09 06:16:36,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994036891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:36,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [298261379] [2024-11-09 06:16:36,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:36,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:16:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:16:36,369 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:16:36,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 06:16:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:37,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:16:37,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-09 06:16:38,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 06:16:39,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [298261379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:39,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120806714] [2024-11-09 06:16:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:39,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:16:39,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:39,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:16:39,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:16:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:39,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:16:39,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-11-09 06:16:39,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 06:16:40,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120806714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:40,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:16:40,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 10 [2024-11-09 06:16:40,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627710955] [2024-11-09 06:16:40,765 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:16:40,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:16:40,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:16:40,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:16:40,774 INFO L87 Difference]: Start difference. First operand 91 states and 139 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 06:16:46,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:48,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:50,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:52,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:54,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:56,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:16:58,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:00,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:02,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:04,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:06,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:08,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:10,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:12,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:14,876 INFO L93 Difference]: Finished difference Result 341 states and 507 transitions. [2024-11-09 06:17:14,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 06:17:14,877 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 185 [2024-11-09 06:17:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:14,882 INFO L225 Difference]: With dead ends: 341 [2024-11-09 06:17:14,882 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 06:17:14,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1122 GetRequests, 1094 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-09 06:17:14,885 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 449 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 229 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:14,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 403 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 437 Invalid, 14 Unknown, 0 Unchecked, 33.1s Time] [2024-11-09 06:17:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 06:17:14,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 96. [2024-11-09 06:17:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 64 states have (on average 1.28125) internal successors, (82), 64 states have internal predecessors, (82), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:17:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 140 transitions. [2024-11-09 06:17:14,918 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 140 transitions. Word has length 185 [2024-11-09 06:17:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:14,919 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 140 transitions. [2024-11-09 06:17:14,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 06:17:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 140 transitions. [2024-11-09 06:17:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 06:17:14,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:14,923 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:14,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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)] Ended with exit code 0 [2024-11-09 06:17:15,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 06:17:15,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:17:15,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:15,525 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:17:15,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:15,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1853202612, now seen corresponding path program 1 times [2024-11-09 06:17:15,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:17:15,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986286795] [2024-11-09 06:17:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:15,526 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 06:17:15,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:17:15,527 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:17:15,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 (8)] Waiting until timeout for monitored process [2024-11-09 06:17:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:16,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:17:16,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 820 proven. 48 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-11-09 06:17:26,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-09 06:17:27,671 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:17:27,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986286795] [2024-11-09 06:17:27,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986286795] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:27,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:17:27,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 06:17:27,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931881258] [2024-11-09 06:17:27,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:17:27,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:17:27,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:17:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:17:27,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:17:27,675 INFO L87 Difference]: Start difference. First operand 96 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 06:17:31,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:31,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:31,480 INFO L93 Difference]: Finished difference Result 193 states and 280 transitions. [2024-11-09 06:17:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:17:31,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185 [2024-11-09 06:17:31,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:31,522 INFO L225 Difference]: With dead ends: 193 [2024-11-09 06:17:31,522 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 06:17:31,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:17:31,525 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 59 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:31,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 166 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 06:17:31,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 06:17:31,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-09 06:17:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:17:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2024-11-09 06:17:31,546 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 185 [2024-11-09 06:17:31,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:31,547 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2024-11-09 06:17:31,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 06:17:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2024-11-09 06:17:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 06:17:31,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:31,551 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:31,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:17:31,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:17:31,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:17:31,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:31,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1043855986, now seen corresponding path program 1 times [2024-11-09 06:17:31,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:17:31,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792180274] [2024-11-09 06:17:31,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:31,753 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 06:17:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:17:31,755 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:17:31,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 (9)] Waiting until timeout for monitored process [2024-11-09 06:17:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:32,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 06:17:32,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 819 proven. 225 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-09 06:17:37,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:39,529 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:17:39,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792180274] [2024-11-09 06:17:39,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792180274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:39,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1541978608] [2024-11-09 06:17:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:39,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:17:39,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:17:39,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:17:39,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 06:17:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:41,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:17:41,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 819 proven. 225 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-09 06:17:46,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:47,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1541978608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:47,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113771653] [2024-11-09 06:17:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:47,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:17:47,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:17:47,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 06:17:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:49,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 06:17:49,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 819 proven. 225 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-09 06:17:54,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:55,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113771653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:17:55,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:17:55,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 15 [2024-11-09 06:17:55,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616274876] [2024-11-09 06:17:55,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:17:55,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:17:55,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:17:55,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:17:55,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:17:55,469 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (29), 5 states have call predecessors, (29), 9 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-09 06:18:00,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:03,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:08,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:10,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:12,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:14,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:16,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:18,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:20,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:22,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:24,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:18:24,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:24,250 INFO L93 Difference]: Finished difference Result 225 states and 304 transitions. [2024-11-09 06:18:24,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 06:18:24,289 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (29), 5 states have call predecessors, (29), 9 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 185 [2024-11-09 06:18:24,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:24,292 INFO L225 Difference]: With dead ends: 225 [2024-11-09 06:18:24,292 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 06:18:24,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 911 GetRequests, 886 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=194, Invalid=507, Unknown=1, NotChecked=0, Total=702 [2024-11-09 06:18:24,294 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 163 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 42 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:24,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 282 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 444 Invalid, 11 Unknown, 0 Unchecked, 24.8s Time] [2024-11-09 06:18:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 06:18:24,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2024-11-09 06:18:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 82 states have internal predecessors, (97), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 06:18:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 155 transitions. [2024-11-09 06:18:24,320 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 155 transitions. Word has length 185 [2024-11-09 06:18:24,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:24,321 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 155 transitions. [2024-11-09 06:18:24,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (29), 5 states have call predecessors, (29), 9 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-09 06:18:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 155 transitions. [2024-11-09 06:18:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 06:18:24,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:24,325 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:24,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:24,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:24,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:24,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:18:24,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:24,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:24,927 INFO L85 PathProgramCache]: Analyzing trace with hash -236007692, now seen corresponding path program 1 times [2024-11-09 06:18:24,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:18:24,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599092618] [2024-11-09 06:18:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:24,929 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 06:18:24,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:18:24,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 06:18:24,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86beeaa9-acf6-482b-9296-54cc6ce18441/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 (12)] Waiting until timeout for monitored process [2024-11-09 06:18:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:25,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-09 06:18:25,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:19:23,821 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:20:04,996 WARN L286 SmtUtils]: Spent 15.45s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:20:50,310 WARN L286 SmtUtils]: Spent 13.39s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:22:00,637 WARN L286 SmtUtils]: Spent 23.92s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:23:55,370 WARN L286 SmtUtils]: Spent 39.62s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:26:59,205 WARN L286 SmtUtils]: Spent 1.02m on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:02,540 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_28~0)) (.cse1 ((_ zero_extend 24) c_~var_1_11~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0)) (.cse7 ((_ zero_extend 24) c_~var_1_9~0)) (.cse10 ((_ zero_extend 24) c_~var_1_27~0)) (.cse6 ((_ zero_extend 24) c_~var_1_8~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_15~0 c_~var_1_14~0) c_~var_1_12~0) (bvsle .cse0 (_ bv1 32)) (bvsle .cse1 (_ bv31 32)) (not (fp.gt c_~last_1_var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0)))) (bvsle .cse2 (_ bv32 32)) (let ((.cse4 (fp.sub c_currentRoundingMode c_~var_1_25~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 19999999999999.0 2.0))))) (let ((.cse3 (fp.gt .cse4 c_~var_1_14~0))) (or (and (not .cse3) (= c_~var_1_14~0 c_~var_1_24~0)) (and (= c_~var_1_24~0 .cse4) .cse3)))) (bvsge .cse0 (_ bv1 32)) (fp.geq c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (let ((.cse5 (fp.lt c_~var_1_15~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.lt (fp.neg c_~var_1_15~0) c_~var_1_12~0) .cse5) (and (fp.lt c_~var_1_15~0 c_~var_1_12~0) (not .cse5)))) (= (_ bv1 8) c_~var_1_26~0) (= ((_ extract 7 0) (bvadd (bvneg (bvadd (_ bv100 32) (bvneg (bvadd .cse2 .cse1)))) .cse6 (bvneg .cse7))) c_~var_1_7~0) (= c_~last_1_var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 201.0 2.0))) (bvsle ((_ zero_extend 24) c_~var_1_29~0) (_ bv0 32)) (let ((.cse8 (bvadd (bvneg .cse2) ((_ sign_extend 24) c_~var_1_33~0)))) (let ((.cse9 (bvslt .cse1 .cse8))) (or (and (= ((_ extract 7 0) (bvadd (_ bv5 32) (bvneg .cse8))) c_~var_1_32~0) (not .cse9)) (and (= c_~var_1_32~0 ((_ extract 7 0) (bvadd (_ bv5 32) (bvneg .cse1)))) .cse9)))) (bvsle .cse7 (_ bv63 32)) (bvsle .cse10 (_ bv1 32)) (fp.leq c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0) c_~var_1_18~0) (bvsge ((_ sign_extend 16) c_~var_1_6~0) (_ bv16382 32)) (= (_ bv0 16) (bvadd (_ bv4 16) c_~var_1_16~0)) (bvsge .cse10 (_ bv1 32)) (bvsge .cse6 (_ bv190 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false