./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91 --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 ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:11:01,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:11:01,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:11:01,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:11:01,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:11:01,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:11:01,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:11:01,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:11:01,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:11:01,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:11:01,270 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:11:01,271 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:11:01,272 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:11:01,274 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:11:01,275 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:11:01,276 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:11:01,277 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:11:01,283 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:11:01,283 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:11:01,284 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:11:01,284 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:11:01,285 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:11:01,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:11:01,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:11:01,287 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:11:01,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:11:01,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:11:01,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:11:01,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:11:01,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:11:01,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:11:01,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:11:01,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:11:01,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:11:01,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:11:01,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:11:01,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:11:01,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:01,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:11:01,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:11:01,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:11:01,302 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:11:01,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:11:01,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:11:01,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:11:01,304 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:11:01,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:11:01,304 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_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac [2023-11-25 00:11:01,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:11:01,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:11:01,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:11:01,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:11:01,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:11:01,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-25 00:11:04,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:11:04,977 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:11:04,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-25 00:11:04,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data/d191cf4b3/eac7d32315824a329d80c69a9efdc80a/FLAG0e03449af [2023-11-25 00:11:05,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data/d191cf4b3/eac7d32315824a329d80c69a9efdc80a [2023-11-25 00:11:05,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:11:05,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:11:05,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:05,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:11:05,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:11:05,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ae4fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05, skipping insertion in model container [2023-11-25 00:11:05,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:11:05,240 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-25 00:11:05,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:05,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:11:05,366 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-25 00:11:05,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:05,484 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:11:05,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05 WrapperNode [2023-11-25 00:11:05,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:05,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:05,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:11:05,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:11:05,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,564 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-11-25 00:11:05,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:05,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:11:05,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:11:05,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:11:05,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:11:05,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:11:05,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:11:05,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:11:05,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (1/1) ... [2023-11-25 00:11:05,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:05,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:05,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:11:05,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:11:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:11:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:11:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:11:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:11:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:11:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:11:05,872 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:11:05,874 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:11:06,595 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:11:07,017 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:11:07,018 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:11:07,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:07 BoogieIcfgContainer [2023-11-25 00:11:07,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:11:07,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:11:07,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:11:07,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:11:07,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:11:05" (1/3) ... [2023-11-25 00:11:07,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d9c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:07, skipping insertion in model container [2023-11-25 00:11:07,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:05" (2/3) ... [2023-11-25 00:11:07,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d9c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:07, skipping insertion in model container [2023-11-25 00:11:07,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:07" (3/3) ... [2023-11-25 00:11:07,034 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-25 00:11:07,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:11:07,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:11:07,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:11:07,140 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59771c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:11:07,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:11:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-25 00:11:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-25 00:11:07,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:07,163 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:07,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:07,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash 766191151, now seen corresponding path program 1 times [2023-11-25 00:11:07,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:11:07,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567464238] [2023-11-25 00:11:07,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:07,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:11:07,452 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:11:07,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574919662] [2023-11-25 00:11:07,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:07,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:11:07,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:07,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:11:07,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:11:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:11:07,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:11:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:11:08,563 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:11:08,566 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:11:08,567 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:11:08,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:08,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:11:08,781 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:11:08,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:11:08,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:11:08 BoogieIcfgContainer [2023-11-25 00:11:08,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:11:08,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:11:08,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:11:08,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:11:08,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:07" (3/4) ... [2023-11-25 00:11:08,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:11:08,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:11:08,935 INFO L158 Benchmark]: Toolchain (without parser) took 3925.86ms. Allocated memory is still 151.0MB. Free memory was 119.9MB in the beginning and 57.5MB in the end (delta: 62.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-11-25 00:11:08,935 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:11:08,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.98ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 102.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-25 00:11:08,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.87ms. Allocated memory is still 151.0MB. Free memory was 102.0MB in the beginning and 96.3MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:11:08,937 INFO L158 Benchmark]: Boogie Preprocessor took 57.35ms. Allocated memory is still 151.0MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:11:08,938 INFO L158 Benchmark]: RCFGBuilder took 1396.33ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 60.8MB in the end (delta: 32.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-25 00:11:08,939 INFO L158 Benchmark]: TraceAbstraction took 1904.13ms. Allocated memory is still 151.0MB. Free memory was 59.9MB in the beginning and 57.5MB in the end (delta: 2.3MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-11-25 00:11:08,939 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 151.0MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:11:08,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.98ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 102.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.87ms. Allocated memory is still 151.0MB. Free memory was 102.0MB in the beginning and 96.3MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.35ms. Allocated memory is still 151.0MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1396.33ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 60.8MB in the end (delta: 32.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1904.13ms. Allocated memory is still 151.0MB. Free memory was 59.9MB in the beginning and 57.5MB in the end (delta: 2.3MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 151.0MB. Free memory is still 57.5MB. 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 69, overapproximation of bitwiseOr at line 66, overapproximation of shiftLeft at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed short int var_1_6 = -1; [L24] unsigned char var_1_7 = 1; [L25] unsigned char var_1_8 = 1; [L26] signed char var_1_9 = -128; [L27] signed char var_1_12 = 10; [L28] signed char var_1_13 = -64; [L29] signed char var_1_14 = 1; [L30] signed char var_1_15 = -25; [L31] unsigned short int var_1_16 = 256; [L32] signed char var_1_18 = 4; [L33] float var_1_19 = 100.5; [L34] float var_1_20 = 4.5; [L35] signed char var_1_21 = 0; [L36] signed char var_1_22 = 64; [L37] signed char var_1_23 = 2; [L38] signed char var_1_24 = 4; [L39] unsigned long int var_1_25 = 8; [L40] unsigned char var_1_27 = 50; [L41] unsigned char var_1_28 = 5; [L42] signed short int var_1_29 = 32; [L43] signed long int var_1_30 = 1; [L44] signed long int var_1_31 = 0; [L45] unsigned char var_1_33 = 2; [L46] unsigned char var_1_34 = 128; [L47] unsigned char var_1_35 = 2; [L48] unsigned char var_1_36 = 200; [L49] unsigned char var_1_37 = 32; [L50] double var_1_38 = 10.3; [L51] signed short int var_1_39 = -256; [L52] signed short int last_1_var_1_6 = -1; [L53] signed char last_1_var_1_9 = -128; [L54] unsigned short int last_1_var_1_16 = 256; [L55] signed char last_1_var_1_18 = 4; [L56] float last_1_var_1_19 = 100.5; [L57] unsigned long int last_1_var_1_25 = 8; [L58] unsigned char last_1_var_1_27 = 50; [L59] signed short int last_1_var_1_29 = 32; [L60] unsigned char last_1_var_1_33 = 2; [L61] unsigned char last_1_var_1_35 = 2; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] CALL updateLastVariables() [L192] last_1_var_1_6 = var_1_6 [L193] last_1_var_1_9 = var_1_9 [L194] last_1_var_1_16 = var_1_16 [L195] last_1_var_1_18 = var_1_18 [L196] last_1_var_1_19 = var_1_19 [L197] last_1_var_1_25 = var_1_25 [L198] last_1_var_1_27 = var_1_27 [L199] last_1_var_1_29 = var_1_29 [L200] last_1_var_1_33 = var_1_33 [L201] last_1_var_1_35 = var_1_35 [L211] RET updateLastVariables() [L212] CALL updateVariables() [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L145] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_9=-128] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L149] var_1_12 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L151] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L152] var_1_13 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L154] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L155] var_1_14 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L157] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L160] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L161] var_1_20 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L163] var_1_22 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_22 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 >= -1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L165] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L166] var_1_23 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L168] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L169] var_1_24 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L171] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L172] var_1_28 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L174] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L175] var_1_30 = __VERIFIER_nondet_long() [L176] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L177] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L178] var_1_31 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L180] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L181] var_1_34 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_34 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_34 >= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L183] CALL assume_abort_if_not(var_1_34 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L184] var_1_36 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_36 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_36 >= 190) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L186] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L187] var_1_37 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_37 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_37 >= 31) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L189] CALL assume_abort_if_not(var_1_37 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_37 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=8, var_1_27=50, var_1_28=3, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=2, var_1_36=254, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L212] RET updateVariables() [L213] CALL step() [L65] signed long int stepLocal_0 = 50 * last_1_var_1_29; [L66] EXPR last_1_var_1_16 | last_1_var_1_9 [L66] COND FALSE !((last_1_var_1_16 | last_1_var_1_9) >= stepLocal_0) [L69] COND FALSE !((last_1_var_1_19 + last_1_var_1_19) > 200.875f) [L76] signed long int stepLocal_4 = last_1_var_1_9; [L77] signed long int stepLocal_3 = var_1_24 % var_1_34; [L78] COND FALSE !(last_1_var_1_16 <= stepLocal_4) [L81] COND FALSE !(stepLocal_3 >= last_1_var_1_27) [L89] var_1_19 = var_1_20 [L90] var_1_21 = ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24))))) [L91] var_1_27 = ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28) [L92] var_1_38 = var_1_20 [L93] var_1_39 = 128 [L94] unsigned char stepLocal_2 = var_1_7; [L95] COND TRUE var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19))) [L96] COND TRUE (! (var_1_27 < var_1_27)) && stepLocal_2 [L97] var_1_25 = var_1_1 [L102] COND TRUE \read(var_1_7) [L103] COND FALSE !(! var_1_8) [L106] var_1_16 = var_1_33 [L111] signed long int stepLocal_5 = var_1_30 + var_1_39; [L112] COND TRUE (var_1_25 - last_1_var_1_35) <= stepLocal_5 [L113] COND TRUE \read(var_1_7) [L114] var_1_35 = var_1_28 [L119] unsigned short int stepLocal_1 = var_1_1; [L120] COND FALSE !(stepLocal_1 <= var_1_35) [L123] var_1_18 = var_1_13 [L125] EXPR var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31))) [L125] COND FALSE !((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) [L130] var_1_29 = (var_1_28 - var_1_30) [L132] COND TRUE var_1_21 > var_1_29 [L133] var_1_6 = (var_1_21 - last_1_var_1_6) [L213] RET step() [L214] CALL, EXPR property() [L204] EXPR last_1_var_1_16 | last_1_var_1_9 [L204] EXPR (((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30)))) [L204-L205] return (((((((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30))))) && ((last_1_var_1_16 <= last_1_var_1_9) ? (var_1_33 == ((unsigned char) (var_1_34 - var_1_28))) : (((var_1_24 % var_1_34) >= last_1_var_1_27) ? (var_1_7 ? (var_1_33 == ((unsigned char) (((((((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) > ((64 - var_1_30))) ? (((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) : ((64 - var_1_30)))) + 1))) : (var_1_33 == ((unsigned char) var_1_28))) : 1))) && (((var_1_25 - last_1_var_1_35) <= (var_1_30 + var_1_39)) ? (var_1_7 ? (var_1_35 == ((unsigned char) var_1_28)) : (var_1_35 == ((unsigned char) ((var_1_36 - (var_1_37 - var_1_30)) - ((((var_1_28) < (var_1_24)) ? (var_1_28) : (var_1_24))))))) : 1)) && (var_1_38 == ((double) var_1_20))) && (var_1_39 == ((signed short int) 128)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_18=5, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=3, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=32, var_1_27=65, var_1_28=3, var_1_29=2, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=3, var_1_36=254, var_1_37=31, var_1_38=2, var_1_39=128, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=-128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=6, var_1_13=5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_18=5, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=3, var_1_22=76, var_1_23=62, var_1_24=11, var_1_25=32, var_1_27=65, var_1_28=3, var_1_29=2, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=254, var_1_35=3, var_1_36=254, var_1_37=31, var_1_38=2, var_1_39=128, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=-128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 31, 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=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:11:08,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91 --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 ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:11:11,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:11:11,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:11:11,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:11:11,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:11:11,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:11:11,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:11:11,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:11:11,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:11:11,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:11:11,865 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:11:11,866 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:11:11,867 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:11:11,867 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:11:11,868 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:11:11,869 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:11:11,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:11:11,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:11:11,871 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:11:11,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:11:11,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:11:11,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:11:11,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:11:11,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:11:11,875 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:11:11,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:11:11,876 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:11:11,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:11:11,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:11:11,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:11:11,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:11:11,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:11:11,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:11:11,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:11:11,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:11,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:11:11,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:11:11,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:11:11,881 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:11:11,881 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:11,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:11:11,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:11:11,883 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:11:11,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:11:11,883 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac [2023-11-25 00:11:12,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:11:12,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:11:12,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:11:12,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:11:12,335 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:11:12,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-25 00:11:15,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:11:15,732 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:11:15,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-25 00:11:15,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data/8553bd10d/66f4c37cf207471aa7446115b244fada/FLAGe0e5822e7 [2023-11-25 00:11:15,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/data/8553bd10d/66f4c37cf207471aa7446115b244fada [2023-11-25 00:11:15,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:11:15,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:11:15,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:15,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:11:15,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:11:15,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:15" (1/1) ... [2023-11-25 00:11:15,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8acb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:15, skipping insertion in model container [2023-11-25 00:11:15,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:15" (1/1) ... [2023-11-25 00:11:15,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:11:16,050 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-25 00:11:16,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:16,246 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:11:16,261 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-25 00:11:16,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:16,324 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:11:16,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16 WrapperNode [2023-11-25 00:11:16,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:16,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:16,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:11:16,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:11:16,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,388 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-25 00:11:16,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:16,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:11:16,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:11:16,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:11:16,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:11:16,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:11:16,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:11:16,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:11:16,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (1/1) ... [2023-11-25 00:11:16,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:16,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:11:16,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:11:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:11:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:11:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:11:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:11:16,702 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:11:16,704 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:11:18,086 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:11:18,185 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:11:18,185 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:11:18,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:18 BoogieIcfgContainer [2023-11-25 00:11:18,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:11:18,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:11:18,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:11:18,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:11:18,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:11:15" (1/3) ... [2023-11-25 00:11:18,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39aab6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:18, skipping insertion in model container [2023-11-25 00:11:18,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:16" (2/3) ... [2023-11-25 00:11:18,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39aab6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:18, skipping insertion in model container [2023-11-25 00:11:18,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:18" (3/3) ... [2023-11-25 00:11:18,198 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-25 00:11:18,220 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:11:18,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:11:18,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:11:18,306 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dbdb4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:11:18,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:11:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-25 00:11:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-25 00:11:18,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:18,345 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:18,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:18,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:18,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1031330066, now seen corresponding path program 1 times [2023-11-25 00:11:18,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:18,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558500980] [2023-11-25 00:11:18,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:18,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:18,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:18,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:18,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:11:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:18,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:11:18,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2023-11-25 00:11:18,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:18,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:18,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558500980] [2023-11-25 00:11:18,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558500980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:18,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:18,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:11:18,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022887862] [2023-11-25 00:11:18,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:18,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:11:18,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:18,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:11:18,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:11:18,998 INFO L87 Difference]: Start difference. First operand has 81 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-25 00:11:19,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:19,732 INFO L93 Difference]: Finished difference Result 159 states and 291 transitions. [2023-11-25 00:11:19,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:11:19,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 189 [2023-11-25 00:11:19,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:19,765 INFO L225 Difference]: With dead ends: 159 [2023-11-25 00:11:19,766 INFO L226 Difference]: Without dead ends: 79 [2023-11-25 00:11:19,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:11:19,775 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:19,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-25 00:11:19,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-25 00:11:19,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-25 00:11:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-25 00:11:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 126 transitions. [2023-11-25 00:11:19,830 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 126 transitions. Word has length 189 [2023-11-25 00:11:19,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:19,831 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 126 transitions. [2023-11-25 00:11:19,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-25 00:11:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2023-11-25 00:11:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-25 00:11:19,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:19,836 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:19,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-25 00:11:20,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:20,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:20,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:20,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2131246508, now seen corresponding path program 1 times [2023-11-25 00:11:20,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:20,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530412218] [2023-11-25 00:11:20,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:20,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:20,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:20,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:20,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:11:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:20,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:11:20,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:22,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:22,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:22,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530412218] [2023-11-25 00:11:22,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530412218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:22,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:22,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:11:22,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536444410] [2023-11-25 00:11:22,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:22,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:11:22,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:22,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:11:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:11:22,162 INFO L87 Difference]: Start difference. First operand 79 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:24,501 INFO L93 Difference]: Finished difference Result 259 states and 414 transitions. [2023-11-25 00:11:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:11:24,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 189 [2023-11-25 00:11:24,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:24,526 INFO L225 Difference]: With dead ends: 259 [2023-11-25 00:11:24,526 INFO L226 Difference]: Without dead ends: 181 [2023-11-25 00:11:24,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:11:24,529 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 194 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:24,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 420 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-25 00:11:24,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-25 00:11:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 154. [2023-11-25 00:11:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-25 00:11:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 247 transitions. [2023-11-25 00:11:24,590 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 247 transitions. Word has length 189 [2023-11-25 00:11:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:24,594 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 247 transitions. [2023-11-25 00:11:24,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:24,595 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 247 transitions. [2023-11-25 00:11:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-25 00:11:24,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:24,605 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:24,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:24,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:24,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:24,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:24,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1142652434, now seen corresponding path program 1 times [2023-11-25 00:11:24,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:24,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442464256] [2023-11-25 00:11:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:24,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:24,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:24,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:24,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-25 00:11:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:25,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:25,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:26,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:26,830 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:26,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442464256] [2023-11-25 00:11:26,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442464256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:26,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:26,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:11:26,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539642309] [2023-11-25 00:11:26,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:26,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:11:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:11:26,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:11:26,843 INFO L87 Difference]: Start difference. First operand 154 states and 247 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:28,822 INFO L93 Difference]: Finished difference Result 311 states and 497 transitions. [2023-11-25 00:11:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:11:28,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 189 [2023-11-25 00:11:28,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:28,843 INFO L225 Difference]: With dead ends: 311 [2023-11-25 00:11:28,843 INFO L226 Difference]: Without dead ends: 158 [2023-11-25 00:11:28,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:11:28,847 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 71 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:28,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 352 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-25 00:11:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-25 00:11:28,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 133. [2023-11-25 00:11:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-25 00:11:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 210 transitions. [2023-11-25 00:11:28,887 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 210 transitions. Word has length 189 [2023-11-25 00:11:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:28,888 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 210 transitions. [2023-11-25 00:11:28,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2023-11-25 00:11:28,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-25 00:11:28,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:28,893 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:28,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:29,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:29,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:29,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:29,101 INFO L85 PathProgramCache]: Analyzing trace with hash 14767381, now seen corresponding path program 1 times [2023-11-25 00:11:29,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:29,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002287302] [2023-11-25 00:11:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:29,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:29,105 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:29,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-25 00:11:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:29,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:29,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:29,934 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:29,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:29,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002287302] [2023-11-25 00:11:29,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002287302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:29,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:29,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:11:29,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080470935] [2023-11-25 00:11:29,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:29,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:11:29,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:29,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:11:29,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:11:29,938 INFO L87 Difference]: Start difference. First operand 133 states and 210 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:31,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:31,619 INFO L93 Difference]: Finished difference Result 236 states and 375 transitions. [2023-11-25 00:11:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:11:31,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 190 [2023-11-25 00:11:31,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:31,640 INFO L225 Difference]: With dead ends: 236 [2023-11-25 00:11:31,640 INFO L226 Difference]: Without dead ends: 158 [2023-11-25 00:11:31,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:11:31,642 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 89 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:31,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 476 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-25 00:11:31,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-25 00:11:31,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 136. [2023-11-25 00:11:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 71 states have (on average 1.267605633802817) internal successors, (90), 71 states have internal predecessors, (90), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-25 00:11:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 214 transitions. [2023-11-25 00:11:31,686 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 214 transitions. Word has length 190 [2023-11-25 00:11:31,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:31,687 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 214 transitions. [2023-11-25 00:11:31,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 214 transitions. [2023-11-25 00:11:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-25 00:11:31,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:31,691 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:31,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:31,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:31,899 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:31,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:31,901 INFO L85 PathProgramCache]: Analyzing trace with hash -463373863, now seen corresponding path program 1 times [2023-11-25 00:11:31,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:31,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910630012] [2023-11-25 00:11:31,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:31,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:31,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:31,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-25 00:11:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:32,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:32,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:32,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:32,718 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:32,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910630012] [2023-11-25 00:11:32,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910630012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:32,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:32,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:11:32,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773191521] [2023-11-25 00:11:32,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:32,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:11:32,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:32,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:11:32,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:11:32,722 INFO L87 Difference]: Start difference. First operand 136 states and 214 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:34,540 INFO L93 Difference]: Finished difference Result 321 states and 507 transitions. [2023-11-25 00:11:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:11:34,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 191 [2023-11-25 00:11:34,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:34,560 INFO L225 Difference]: With dead ends: 321 [2023-11-25 00:11:34,560 INFO L226 Difference]: Without dead ends: 243 [2023-11-25 00:11:34,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:11:34,562 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 140 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:34,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 417 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-25 00:11:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-25 00:11:34,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 215. [2023-11-25 00:11:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 118 states have (on average 1.3220338983050848) internal successors, (156), 118 states have internal predecessors, (156), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-25 00:11:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 342 transitions. [2023-11-25 00:11:34,614 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 342 transitions. Word has length 191 [2023-11-25 00:11:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:34,615 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 342 transitions. [2023-11-25 00:11:34,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 342 transitions. [2023-11-25 00:11:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-25 00:11:34,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:34,618 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:34,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:34,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:34,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:34,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:34,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1194468943, now seen corresponding path program 1 times [2023-11-25 00:11:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:34,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2147475241] [2023-11-25 00:11:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:34,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:34,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (7)] Waiting until timeout for monitored process [2023-11-25 00:11:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:35,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:11:35,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 148 proven. 87 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-11-25 00:11:35,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:35,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:35,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2147475241] [2023-11-25 00:11:35,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2147475241] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:35,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:11:35,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-25 00:11:35,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597562871] [2023-11-25 00:11:35,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:35,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:11:35,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:35,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:11:35,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:11:35,856 INFO L87 Difference]: Start difference. First operand 215 states and 342 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:37,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:37,461 INFO L93 Difference]: Finished difference Result 410 states and 654 transitions. [2023-11-25 00:11:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:11:37,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-25 00:11:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:37,484 INFO L225 Difference]: With dead ends: 410 [2023-11-25 00:11:37,484 INFO L226 Difference]: Without dead ends: 253 [2023-11-25 00:11:37,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:11:37,486 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 51 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:37,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 242 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-25 00:11:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-11-25 00:11:37,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 231. [2023-11-25 00:11:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 134 states have (on average 1.328358208955224) internal successors, (178), 134 states have internal predecessors, (178), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-25 00:11:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 364 transitions. [2023-11-25 00:11:37,538 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 364 transitions. Word has length 192 [2023-11-25 00:11:37,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:37,547 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 364 transitions. [2023-11-25 00:11:37,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 364 transitions. [2023-11-25 00:11:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-25 00:11:37,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:37,550 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:37,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:37,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:37,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:37,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:37,761 INFO L85 PathProgramCache]: Analyzing trace with hash -493404365, now seen corresponding path program 1 times [2023-11-25 00:11:37,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:37,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999061098] [2023-11-25 00:11:37,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:37,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:37,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:37,774 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:37,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:11:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:38,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:11:38,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-25 00:11:40,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:40,726 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:40,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999061098] [2023-11-25 00:11:40,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999061098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:40,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1641465405] [2023-11-25 00:11:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:40,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:40,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:11:40,735 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:11:40,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-25 00:11:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:41,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:41,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:42,707 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:42,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1641465405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:42,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:11:42,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2023-11-25 00:11:42,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138502126] [2023-11-25 00:11:42,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:42,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:11:42,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:11:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-11-25 00:11:42,710 INFO L87 Difference]: Start difference. First operand 231 states and 364 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:43,653 INFO L93 Difference]: Finished difference Result 496 states and 783 transitions. [2023-11-25 00:11:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:11:43,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-25 00:11:43,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:43,657 INFO L225 Difference]: With dead ends: 496 [2023-11-25 00:11:43,658 INFO L226 Difference]: Without dead ends: 323 [2023-11-25 00:11:43,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2023-11-25 00:11:43,660 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 36 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:43,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 282 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-25 00:11:43,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-25 00:11:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 312. [2023-11-25 00:11:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 183 states have (on average 1.3442622950819672) internal successors, (246), 183 states have internal predecessors, (246), 124 states have call successors, (124), 4 states have call predecessors, (124), 4 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-25 00:11:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 494 transitions. [2023-11-25 00:11:43,713 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 494 transitions. Word has length 192 [2023-11-25 00:11:43,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:43,715 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 494 transitions. [2023-11-25 00:11:43,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 494 transitions. [2023-11-25 00:11:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-25 00:11:43,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:43,719 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:43,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:11:43,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:44,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:44,127 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:44,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash -436146063, now seen corresponding path program 1 times [2023-11-25 00:11:44,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:44,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726090692] [2023-11-25 00:11:44,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:44,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:44,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:44,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:44,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (10)] Waiting until timeout for monitored process [2023-11-25 00:11:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:44,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:11:44,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-25 00:11:46,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:46,710 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:46,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726090692] [2023-11-25 00:11:46,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726090692] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:46,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [848794989] [2023-11-25 00:11:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:46,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:46,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:11:46,711 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:11:46,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-25 00:11:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:47,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:11:47,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 828 proven. 27 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-11-25 00:11:48,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:48,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [848794989] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:48,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565014561] [2023-11-25 00:11:48,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:48,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:11:48,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:48,915 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:11:48,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-25 00:11:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:49,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:11:49,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-25 00:11:50,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:50,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565014561] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:50,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:11:50,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 11] total 13 [2023-11-25 00:11:50,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704117338] [2023-11-25 00:11:50,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:11:50,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-25 00:11:50,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:50,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-25 00:11:50,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-25 00:11:50,972 INFO L87 Difference]: Start difference. First operand 312 states and 494 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-25 00:11:52,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:52,957 INFO L93 Difference]: Finished difference Result 605 states and 952 transitions. [2023-11-25 00:11:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-25 00:11:52,963 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 192 [2023-11-25 00:11:52,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:52,967 INFO L225 Difference]: With dead ends: 605 [2023-11-25 00:11:52,967 INFO L226 Difference]: Without dead ends: 351 [2023-11-25 00:11:52,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 796 GetRequests, 763 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=312, Invalid=810, Unknown=0, NotChecked=0, Total=1122 [2023-11-25 00:11:52,970 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 170 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:52,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 595 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-25 00:11:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-11-25 00:11:53,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 328. [2023-11-25 00:11:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 197 states have (on average 1.350253807106599) internal successors, (266), 197 states have internal predecessors, (266), 124 states have call successors, (124), 6 states have call predecessors, (124), 6 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-25 00:11:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 514 transitions. [2023-11-25 00:11:53,027 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 514 transitions. Word has length 192 [2023-11-25 00:11:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:53,028 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 514 transitions. [2023-11-25 00:11:53,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-25 00:11:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 514 transitions. [2023-11-25 00:11:53,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-25 00:11:53,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:53,030 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:53,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:53,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:53,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (10)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:53,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:53,644 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:53,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:53,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2005217888, now seen corresponding path program 1 times [2023-11-25 00:11:53,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:53,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660426187] [2023-11-25 00:11:53,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:53,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:53,654 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:53,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (13)] Waiting until timeout for monitored process [2023-11-25 00:11:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:53,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:11:53,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:11:53,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:53,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:53,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660426187] [2023-11-25 00:11:53,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660426187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:53,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:53,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:11:53,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717863391] [2023-11-25 00:11:53,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:53,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:11:53,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:53,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:11:53,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:11:53,891 INFO L87 Difference]: Start difference. First operand 328 states and 514 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:55,178 INFO L93 Difference]: Finished difference Result 633 states and 998 transitions. [2023-11-25 00:11:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:11:55,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-25 00:11:55,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:55,183 INFO L225 Difference]: With dead ends: 633 [2023-11-25 00:11:55,183 INFO L226 Difference]: Without dead ends: 376 [2023-11-25 00:11:55,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:11:55,185 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 22 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:55,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 238 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-25 00:11:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-11-25 00:11:55,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 362. [2023-11-25 00:11:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 231 states have (on average 1.3593073593073592) internal successors, (314), 231 states have internal predecessors, (314), 124 states have call successors, (124), 6 states have call predecessors, (124), 6 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-25 00:11:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 562 transitions. [2023-11-25 00:11:55,249 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 562 transitions. Word has length 192 [2023-11-25 00:11:55,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:55,250 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 562 transitions. [2023-11-25 00:11:55,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-25 00:11:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 562 transitions. [2023-11-25 00:11:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-25 00:11:55,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:55,252 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:55,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (13)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:55,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:55,460 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:55,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:55,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1195871262, now seen corresponding path program 1 times [2023-11-25 00:11:55,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:55,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070776338] [2023-11-25 00:11:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:55,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:55,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:55,462 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:55,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13a119c6-fbc7-46be-bcc1-0104f3850615/bin/utaipan-verify-SwPr7d2a91/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 (14)] Waiting until timeout for monitored process [2023-11-25 00:11:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:55,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:11:55,675 INFO L285 TraceCheckSpWp]: Computing forward predicates...