./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire --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 92ae42b8918cf91f935a87d9609dde3498c822c82ca818e88a484a0024074f38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:51,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:51,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:13:51,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:51,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:51,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:51,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:51,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:51,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:51,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:51,630 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:51,630 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:51,631 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:51,632 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:51,632 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:51,633 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:51,633 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:51,634 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:51,634 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:51,635 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:51,636 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:51,636 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:51,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:51,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:51,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:51,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:51,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:51,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:51,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:51,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:51,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:51,642 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:51,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:51,643 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:51,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:51,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:51,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:51,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:51,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:51,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:51,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:51,646 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:51,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:51,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:51,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:51,647 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:51,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:51,648 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_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ae42b8918cf91f935a87d9609dde3498c822c82ca818e88a484a0024074f38 [2023-11-23 21:13:51,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:51,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:51,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:51,999 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:52,000 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:52,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i [2023-11-23 21:13:55,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:55,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:55,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i [2023-11-23 21:13:55,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data/691f122bc/009ea8ac5dec465da3faa0b627c83a6d/FLAGe08021199 [2023-11-23 21:13:55,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data/691f122bc/009ea8ac5dec465da3faa0b627c83a6d [2023-11-23 21:13:55,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:55,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:55,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:55,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:55,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:55,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:55" (1/1) ... [2023-11-23 21:13:55,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52af6738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:55, skipping insertion in model container [2023-11-23 21:13:55,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:55" (1/1) ... [2023-11-23 21:13:55,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:55,800 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_98336243-1343-4327-b254-1e78fc4e8fd9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i[919,932] [2023-11-23 21:13:55,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:55,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:55,938 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_98336243-1343-4327-b254-1e78fc4e8fd9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i[919,932] [2023-11-23 21:13:55,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:56,005 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:56,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56 WrapperNode [2023-11-23 21:13:56,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:56,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:56,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:56,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:56,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,099 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2023-11-23 21:13:56,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:56,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:56,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:56,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:56,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:56,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:56,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:56,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:56,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (1/1) ... [2023-11-23 21:13:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:56,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:56,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:56,511 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:56,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:57,009 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:57,526 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:57,526 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:57,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:57 BoogieIcfgContainer [2023-11-23 21:13:57,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:57,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:57,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:57,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:57,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:55" (1/3) ... [2023-11-23 21:13:57,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e9abf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:57, skipping insertion in model container [2023-11-23 21:13:57,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:56" (2/3) ... [2023-11-23 21:13:57,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e9abf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:57, skipping insertion in model container [2023-11-23 21:13:57,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:57" (3/3) ... [2023-11-23 21:13:57,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i [2023-11-23 21:13:57,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:57,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:57,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:57,646 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;@103d8513, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:57,648 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:13:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 21:13:57,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:57,670 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:57,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:57,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1273764721, now seen corresponding path program 1 times [2023-11-23 21:13:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:57,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887882026] [2023-11-23 21:13:57,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:58,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:59,405 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:59,407 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:59,408 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:13:59,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:13:59,415 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:13:59,420 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:59,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:59 BoogieIcfgContainer [2023-11-23 21:13:59,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:59,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:59,603 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:59,604 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:59,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:57" (3/4) ... [2023-11-23 21:13:59,610 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:13:59,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:59,613 INFO L158 Benchmark]: Toolchain (without parser) took 4083.46ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 104.4MB in the beginning and 134.3MB in the end (delta: -29.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:59,613 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:59,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.37ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 88.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:13:59,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.30ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 84.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:59,616 INFO L158 Benchmark]: Boogie Preprocessor took 69.78ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:59,622 INFO L158 Benchmark]: RCFGBuilder took 1357.53ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 82.0MB in the beginning and 138.3MB in the end (delta: -56.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-23 21:13:59,623 INFO L158 Benchmark]: TraceAbstraction took 2067.46ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 134.3MB in the end (delta: 4.0MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:59,624 INFO L158 Benchmark]: Witness Printer took 8.37ms. Allocated memory is still 172.0MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:59,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.37ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 88.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.30ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 84.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.78ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1357.53ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 82.0MB in the beginning and 138.3MB in the end (delta: -56.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2067.46ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 134.3MB in the end (delta: 4.0MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * Witness Printer took 8.37ms. Allocated memory is still 172.0MB. Free memory is still 134.3MB. 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 shiftRight at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseOr at line 107, overapproximation of someUnaryDOUBLEoperation at line 129, overapproximation of bitwiseAnd at line 132, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryArithmeticFLOAToperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] signed long int var_1_25 = 64; [L43] unsigned long int var_1_29 = 32; [L44] unsigned long int var_1_32 = 2219578776; [L45] unsigned char var_1_34 = 0; [L46] unsigned char var_1_35 = 0; [L47] unsigned char var_1_36 = 5; [L48] float var_1_37 = 256.125; [L49] float var_1_38 = 127.25; [L50] unsigned char var_1_41 = 32; [L51] double var_1_42 = 16.125; [L52] double var_1_43 = 256.5; [L53] signed short int var_1_45 = -10; [L54] unsigned char last_1_var_1_1 = 2; [L55] unsigned char last_1_var_1_15 = 1; [L56] signed char last_1_var_1_20 = 0; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L191] last_1_var_1_1 = var_1_1 [L192] last_1_var_1_15 = var_1_15 [L193] last_1_var_1_20 = var_1_20 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L143] var_1_4 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L145] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L146] var_1_5 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L148] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L149] var_1_6 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=32, var_1_8=32, var_1_9=201/2] [L151] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=32, var_1_8=32, var_1_9=201/2] [L152] var_1_7 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=32, var_1_9=201/2] [L154] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=32, var_1_9=201/2] [L155] var_1_8 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_9=201/2] [L157] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L158] var_1_11 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L160] var_1_12 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L162] var_1_16 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L164] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L165] var_1_17 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L167] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L168] var_1_19 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L170] var_1_21 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L172] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L173] var_1_29 = __VERIFIER_nondet_ulong() [L174] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L175] CALL assume_abort_if_not(var_1_29 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_29 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L176] var_1_32 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_32 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_32 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L178] CALL assume_abort_if_not(var_1_32 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L179] var_1_35 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L181] CALL assume_abort_if_not(var_1_35 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L182] var_1_37 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L184] var_1_38 = __VERIFIER_nondet_float() [L185] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L186] var_1_42 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L188] CALL assume_abort_if_not(var_1_42 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_42 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=201/2] [L204] RET updateVariables() [L205] CALL step() [L60] COND FALSE !(var_1_5 >= var_1_6) [L69] var_1_15 = var_1_17 [L71] unsigned char stepLocal_1 = var_1_15; [L72] unsigned char stepLocal_0 = var_1_15; [L73] COND TRUE var_1_17 || stepLocal_0 [L74] COND TRUE var_1_15 && stepLocal_1 [L75] var_1_18 = (var_1_11 + var_1_19) [L80] COND FALSE !((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) [L89] COND FALSE !(var_1_11 == var_1_18) [L92] COND FALSE !(-32 < var_1_13) [L95] COND FALSE !((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) [L98] var_1_9 = var_1_12 [L100] var_1_22 = var_1_12 [L101] var_1_23 = var_1_8 [L102] var_1_24 = var_1_6 [L103] EXPR var_1_23 >> var_1_29 [L103] EXPR ((var_1_20) < ((var_1_23 >> var_1_29))) ? (var_1_20) : ((var_1_23 >> var_1_29)) [L103] EXPR var_1_23 >> var_1_29 [L103] EXPR ((var_1_20) < ((var_1_23 >> var_1_29))) ? (var_1_20) : ((var_1_23 >> var_1_29)) [L103] COND FALSE !(var_1_20 < ((((var_1_20) < ((var_1_23 >> var_1_29))) ? (var_1_20) : ((var_1_23 >> var_1_29))))) [L112] COND FALSE !((var_1_29 - var_1_1) <= (~ (var_1_32 - var_1_1))) [L115] var_1_25 = -32 [L118] COND TRUE var_1_20 >= -25 [L119] var_1_34 = var_1_35 [L121] COND FALSE !((var_1_37 - var_1_38) >= (var_1_22 * var_1_22)) [L124] COND FALSE !((var_1_38 / ((((var_1_42) > (256.5)) ? (var_1_42) : (256.5)))) < var_1_37) [L127] COND FALSE !((((((var_1_22) < (var_1_37)) ? (var_1_22) : (var_1_37))) >= (var_1_38 / var_1_42)) || var_1_35) [L132] EXPR var_1_20 & var_1_13 [L132] EXPR var_1_24 ^ (var_1_20 & var_1_13) [L132] COND TRUE var_1_29 <= (var_1_24 ^ (var_1_20 & var_1_13)) [L133] COND FALSE !(\read(var_1_35)) [L205] RET step() [L206] CALL, EXPR property() [L196-L197] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=4294967301, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=4294967301, var_1_23=0, var_1_24=127, var_1_25=-32, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=4294967301] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=4294967301, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=4294967301, var_1_23=0, var_1_24=127, var_1_25=-32, var_1_29=0, var_1_32=2147483647, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=127, var_1_5=0, var_1_6=127, var_1_7=64, var_1_8=0, var_1_9=4294967301] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 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 [2023-11-23 21:13:59,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire --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 92ae42b8918cf91f935a87d9609dde3498c822c82ca818e88a484a0024074f38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:02,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:02,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:02,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:02,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:02,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:02,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:02,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:02,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:02,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:02,632 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:02,633 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:02,633 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:02,635 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:02,635 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:02,636 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:02,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:02,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:02,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:02,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:02,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:02,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:02,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:02,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:02,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:02,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:02,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:02,642 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:02,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:02,643 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:02,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:02,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:02,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:02,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:02,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:02,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:02,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:02,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:02,652 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:02,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:02,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:02,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:02,654 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:02,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:02,655 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_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ae42b8918cf91f935a87d9609dde3498c822c82ca818e88a484a0024074f38 [2023-11-23 21:14:03,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:03,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:03,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:03,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:03,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:03,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i [2023-11-23 21:14:06,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:06,748 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:06,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i [2023-11-23 21:14:06,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data/49bae0c41/500220f4e28d4456bac8e2164eff3da5/FLAGba0c070fc [2023-11-23 21:14:06,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/data/49bae0c41/500220f4e28d4456bac8e2164eff3da5 [2023-11-23 21:14:06,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:06,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:06,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:06,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:06,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:06,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a4f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06, skipping insertion in model container [2023-11-23 21:14:06,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:07,070 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_98336243-1343-4327-b254-1e78fc4e8fd9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i[919,932] [2023-11-23 21:14:07,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:07,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:07,170 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_98336243-1343-4327-b254-1e78fc4e8fd9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i[919,932] [2023-11-23 21:14:07,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:07,280 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:07,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07 WrapperNode [2023-11-23 21:14:07,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:07,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:07,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:07,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:07,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,347 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-23 21:14:07,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:07,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:07,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:07,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:07,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:07,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:07,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:07,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:07,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (1/1) ... [2023-11-23 21:14:07,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:07,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:07,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:07,720 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:07,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:24,613 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:24,670 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:24,670 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:24,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:24 BoogieIcfgContainer [2023-11-23 21:14:24,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:24,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:24,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:24,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:24,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:06" (1/3) ... [2023-11-23 21:14:24,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48316ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:24, skipping insertion in model container [2023-11-23 21:14:24,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:07" (2/3) ... [2023-11-23 21:14:24,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48316ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:24, skipping insertion in model container [2023-11-23 21:14:24,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:24" (3/3) ... [2023-11-23 21:14:24,699 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-32.i [2023-11-23 21:14:24,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:24,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:24,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:24,795 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;@2d04348e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:24,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 52 states have (on average 1.5384615384615385) internal successors, (80), 53 states have internal predecessors, (80), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:14:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:14:24,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:24,826 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:24,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:24,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:24,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1416362752, now seen corresponding path program 1 times [2023-11-23 21:14:24,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:24,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676822472] [2023-11-23 21:14:24,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:24,853 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 [2023-11-23 21:14:24,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:24,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:14:24,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:14:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:27,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:14:27,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 804 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-23 21:14:27,439 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:27,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676822472] [2023-11-23 21:14:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676822472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:27,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:27,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205765521] [2023-11-23 21:14:27,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:27,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:27,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:27,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:27,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:27,484 INFO L87 Difference]: Start difference. First operand has 84 states, 52 states have (on average 1.5384615384615385) internal successors, (80), 53 states have internal predecessors, (80), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:14:29,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:29,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:29,632 INFO L93 Difference]: Finished difference Result 163 states and 299 transitions. [2023-11-23 21:14:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2023-11-23 21:14:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:29,666 INFO L225 Difference]: With dead ends: 163 [2023-11-23 21:14:29,666 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:14:29,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:29,673 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:29,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:14:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:14:29,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-23 21:14:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:14:29,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 128 transitions. [2023-11-23 21:14:29,735 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 128 transitions. Word has length 182 [2023-11-23 21:14:29,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:29,736 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 128 transitions. [2023-11-23 21:14:29,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:14:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 128 transitions. [2023-11-23 21:14:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:14:29,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:29,742 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:29,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:29,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:14:29,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:29,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:29,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1488179722, now seen corresponding path program 1 times [2023-11-23 21:14:29,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:29,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109661423] [2023-11-23 21:14:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:29,949 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 [2023-11-23 21:14:29,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:29,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:14:29,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:14:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:32,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:14:32,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-11-23 21:14:34,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:14:36,484 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:36,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109661423] [2023-11-23 21:14:36,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109661423] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:14:36,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1447416566] [2023-11-23 21:14:36,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:36,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:36,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:14:36,493 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:14:36,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:14:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:39,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:14:39,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:14:44,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:44,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1447416566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:44,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:14:44,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2023-11-23 21:14:44,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830376443] [2023-11-23 21:14:44,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:44,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:44,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:44,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:44,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:14:44,348 INFO L87 Difference]: Start difference. First operand 80 states and 128 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:14:46,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:48,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:48,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:48,795 INFO L93 Difference]: Finished difference Result 238 states and 382 transitions. [2023-11-23 21:14:48,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:48,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 182 [2023-11-23 21:14:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:48,802 INFO L225 Difference]: With dead ends: 238 [2023-11-23 21:14:48,802 INFO L226 Difference]: Without dead ends: 159 [2023-11-23 21:14:48,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 536 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:14:48,806 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 40 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:48,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 237 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-23 21:14:48,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-23 21:14:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2023-11-23 21:14:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 95 states have internal predecessors, (135), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:14:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 251 transitions. [2023-11-23 21:14:48,863 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 251 transitions. Word has length 182 [2023-11-23 21:14:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:48,865 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 251 transitions. [2023-11-23 21:14:48,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:14:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 251 transitions. [2023-11-23 21:14:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:14:48,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:48,870 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:48,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:49,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:14:49,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:14:49,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:49,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:49,296 INFO L85 PathProgramCache]: Analyzing trace with hash 901373708, now seen corresponding path program 1 times [2023-11-23 21:14:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:49,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676326632] [2023-11-23 21:14:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:49,297 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 [2023-11-23 21:14:49,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:49,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:14:49,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98336243-1343-4327-b254-1e78fc4e8fd9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:14:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:51,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:14:51,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-11-23 21:14:53,572 INFO L327 TraceCheckSpWp]: Computing backward predicates...