./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ --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 96b38d981ab2c29d6aa004a84880ce68546a2e4edd87db11e524adc2046dd497 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:01,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:01,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:47:01,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:01,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:01,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:01,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:01,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:01,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:01,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:01,299 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:01,300 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:01,300 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:01,302 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:01,303 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:01,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:01,304 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:01,304 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:01,304 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:01,305 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:01,306 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:01,307 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:01,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:01,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:01,309 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:01,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:01,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:01,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:01,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:01,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:01,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:01,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:01,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:01,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:01,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:01,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:01,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:01,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:01,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:01,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:01,314 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:01,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:01,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:01,315 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:01,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:01,315 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_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96b38d981ab2c29d6aa004a84880ce68546a2e4edd87db11e524adc2046dd497 [2023-11-19 04:47:01,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:01,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:01,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:01,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:01,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:01,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i [2023-11-19 04:47:04,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:04,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:04,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i [2023-11-19 04:47:04,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data/4eb98d9ad/e4791c05920a45fe8243622b7ce5e1dc/FLAGa55bd425f [2023-11-19 04:47:04,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data/4eb98d9ad/e4791c05920a45fe8243622b7ce5e1dc [2023-11-19 04:47:04,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:04,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:04,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:04,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:05,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:05,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119d7fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05, skipping insertion in model container [2023-11-19 04:47:05,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:05,245 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_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i[913,926] [2023-11-19 04:47:05,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:05,351 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:05,369 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_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i[913,926] [2023-11-19 04:47:05,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:05,466 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:05,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05 WrapperNode [2023-11-19 04:47:05,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:05,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:05,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:05,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:05,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,539 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-19 04:47:05,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:05,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:05,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:05,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:05,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:05,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:05,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:05,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:05,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:05,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:05,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:05,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:05,784 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:05,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:06,311 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:06,499 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:06,500 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:47:06,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:06 BoogieIcfgContainer [2023-11-19 04:47:06,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:06,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:06,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:06,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:06,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:04" (1/3) ... [2023-11-19 04:47:06,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456c5fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:06, skipping insertion in model container [2023-11-19 04:47:06,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05" (2/3) ... [2023-11-19 04:47:06,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456c5fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:06, skipping insertion in model container [2023-11-19 04:47:06,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:06" (3/3) ... [2023-11-19 04:47:06,520 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-58.i [2023-11-19 04:47:06,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:06,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:06,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:06,616 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;@f9c5f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:06,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:47:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 04:47:06,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:06,641 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:06,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:06,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:06,649 INFO L85 PathProgramCache]: Analyzing trace with hash 426783123, now seen corresponding path program 1 times [2023-11-19 04:47:06,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:06,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402173371] [2023-11-19 04:47:06,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:06,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:06,901 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:47:06,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813608972] [2023-11-19 04:47:06,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:06,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:47:06,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:06,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:47:06,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:47:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:47:07,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:47:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:47:07,409 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:47:07,412 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:47:07,413 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:47:07,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:07,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:47:07,628 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:47:07,636 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:47:07,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:07 BoogieIcfgContainer [2023-11-19 04:47:07,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:47:07,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:47:07,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:47:07,791 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:47:07,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:06" (3/4) ... [2023-11-19 04:47:07,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:47:07,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:47:07,796 INFO L158 Benchmark]: Toolchain (without parser) took 2799.63ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 113.9MB in the end (delta: 16.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-19 04:47:07,796 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:07,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.71ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 124.2MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:47:07,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.87ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 120.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:47:07,798 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:07,799 INFO L158 Benchmark]: RCFGBuilder took 925.78ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 78.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 04:47:07,799 INFO L158 Benchmark]: TraceAbstraction took 1279.50ms. Allocated memory is still 165.7MB. Free memory was 77.2MB in the beginning and 113.9MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:07,800 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 165.7MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:07,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.71ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 124.2MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.87ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 120.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 925.78ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 78.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1279.50ms. Allocated memory is still 165.7MB. Free memory was 77.2MB in the beginning and 113.9MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 165.7MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 16; [L25] unsigned char var_1_4 = 4; [L26] unsigned char var_1_5 = 200; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 0; [L31] signed short int var_1_10 = 128; [L32] signed short int var_1_11 = 5; [L33] signed char var_1_12 = -2; [L34] signed char var_1_13 = -32; [L35] signed char var_1_14 = 2; [L36] signed char var_1_15 = 25; [L37] signed char var_1_16 = 1; [L38] signed char var_1_17 = 0; [L39] signed long int var_1_18 = -16; [L40] float var_1_19 = 2.775; [L41] unsigned long int var_1_20 = 2381110720; [L42] float var_1_21 = 10000000000000.5; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L94] var_1_3 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L104] var_1_6 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L107] var_1_7 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L110] var_1_8 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L113] var_1_9 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L116] var_1_13 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L119] var_1_14 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L122] var_1_16 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L125] var_1_17 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L128] var_1_20 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=20000000000001/2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L131] var_1_21 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=2, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L145] RET updateVariables() [L146] CALL step() [L46] COND TRUE (var_1_2 / var_1_3) <= 2 [L47] COND FALSE !(var_1_3 < (((((~ var_1_2)) < (var_1_4)) ? ((~ var_1_2)) : (var_1_4)))) [L50] COND TRUE ((var_1_6 || var_1_7) && var_1_8) || var_1_9 [L51] var_1_1 = var_1_5 [L59] COND FALSE !(var_1_3 <= var_1_2) [L62] COND FALSE !(var_1_1 >= (((((var_1_2) < (var_1_10)) ? (var_1_2) : (var_1_10))) + var_1_5)) [L65] COND TRUE \read(var_1_8) [L66] var_1_11 = var_1_3 [L69] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L70] COND FALSE !(\read(var_1_7)) [L73] COND TRUE var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L74] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) [L78] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_1) [L79] COND TRUE var_1_20 > 1u [L80] COND TRUE \read(var_1_9) [L81] var_1_19 = var_1_21 [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return ((((((((var_1_2 / var_1_3) <= 2) ? ((var_1_3 < (((((~ var_1_2)) < (var_1_4)) ? ((~ var_1_2)) : (var_1_4)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_2) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((var_1_1 >= (((((var_1_2) < (var_1_10)) ? (var_1_2) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_2) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_1)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=128, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=64, var_1_19=2, var_1_1=0, var_1_20=2147483647, var_1_21=2, var_1_2=1, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=128, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=64, var_1_19=2, var_1_1=0, var_1_20=2147483647, var_1_21=2, var_1_2=1, var_1_3=4, var_1_4=6, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 28, 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=51occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 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 [2023-11-19 04:47:07,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ --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 96b38d981ab2c29d6aa004a84880ce68546a2e4edd87db11e524adc2046dd497 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:10,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:10,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:47:10,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:10,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:10,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:10,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:10,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:10,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:10,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:10,797 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:10,797 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:10,798 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:10,800 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:10,800 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:10,801 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:10,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:10,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:10,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:10,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:10,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:10,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:10,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:10,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:10,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:10,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:47:10,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:47:10,808 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:10,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:10,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:10,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:10,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:47:10,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:10,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:10,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:10,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:10,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:10,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:47:10,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:10,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:10,814 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:10,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:10,815 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_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96b38d981ab2c29d6aa004a84880ce68546a2e4edd87db11e524adc2046dd497 [2023-11-19 04:47:11,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:11,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:11,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:11,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:11,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:11,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i [2023-11-19 04:47:14,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:14,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:14,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i [2023-11-19 04:47:14,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data/9af490491/b22e024085c24fccb1a324ed6f487991/FLAGb4d6e3b0c [2023-11-19 04:47:14,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/data/9af490491/b22e024085c24fccb1a324ed6f487991 [2023-11-19 04:47:14,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:14,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:14,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:14,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:14,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:14,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:14" (1/1) ... [2023-11-19 04:47:14,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e24338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:14, skipping insertion in model container [2023-11-19 04:47:14,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:14" (1/1) ... [2023-11-19 04:47:14,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:14,928 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_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i[913,926] [2023-11-19 04:47:15,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:15,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:15,102 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_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-58.i[913,926] [2023-11-19 04:47:15,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:15,204 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:15,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15 WrapperNode [2023-11-19 04:47:15,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:15,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:15,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:15,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:15,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,288 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-11-19 04:47:15,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:15,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:15,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:15,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:15,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:15,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:15,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:15,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:15,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:15,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:15,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:47:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:15,599 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:15,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:16,047 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:16,061 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:16,062 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:47:16,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:16 BoogieIcfgContainer [2023-11-19 04:47:16,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:16,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:16,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:16,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:16,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:14" (1/3) ... [2023-11-19 04:47:16,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d3465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:16, skipping insertion in model container [2023-11-19 04:47:16,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (2/3) ... [2023-11-19 04:47:16,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d3465c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:16, skipping insertion in model container [2023-11-19 04:47:16,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:16" (3/3) ... [2023-11-19 04:47:16,076 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-58.i [2023-11-19 04:47:16,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:16,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:16,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:16,174 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;@5273fe64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:16,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:47:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:47:16,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:16,206 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:16,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:16,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:16,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1213883820, now seen corresponding path program 1 times [2023-11-19 04:47:16,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:16,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132719942] [2023-11-19 04:47:16,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:16,237 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 [2023-11-19 04:47:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:16,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:47:16,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:47:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:16,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:47:16,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-19 04:47:16,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:16,685 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132719942] [2023-11-19 04:47:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132719942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:16,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026519185] [2023-11-19 04:47:16,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:16,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:47:16,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:16,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:47:16,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:47:16,744 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:47:16,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:16,825 INFO L93 Difference]: Finished difference Result 139 states and 250 transitions. [2023-11-19 04:47:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:47:16,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 170 [2023-11-19 04:47:16,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:16,838 INFO L225 Difference]: With dead ends: 139 [2023-11-19 04:47:16,839 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 04:47:16,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:47:16,848 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:16,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:47:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 04:47:16,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 04:47:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:47:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 106 transitions. [2023-11-19 04:47:16,915 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 106 transitions. Word has length 170 [2023-11-19 04:47:16,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:16,916 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 106 transitions. [2023-11-19 04:47:16,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:47:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2023-11-19 04:47:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:47:16,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:16,927 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:16,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:47:17,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:47:17,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:17,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1284480684, now seen corresponding path program 1 times [2023-11-19 04:47:17,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:17,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259823546] [2023-11-19 04:47:17,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:17,137 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 [2023-11-19 04:47:17,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:17,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:47:17,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:47:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:17,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:47:17,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2023-11-19 04:47:18,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:47:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:47:18,327 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:18,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259823546] [2023-11-19 04:47:18,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259823546] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 04:47:18,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:47:18,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-19 04:47:18,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017533676] [2023-11-19 04:47:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:18,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:18,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:18,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:18,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:47:18,342 INFO L87 Difference]: Start difference. First operand 69 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:47:18,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:18,498 INFO L93 Difference]: Finished difference Result 152 states and 234 transitions. [2023-11-19 04:47:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:18,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-19 04:47:18,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:18,515 INFO L225 Difference]: With dead ends: 152 [2023-11-19 04:47:18,515 INFO L226 Difference]: Without dead ends: 86 [2023-11-19 04:47:18,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:47:18,518 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 25 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:18,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 184 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:47:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-19 04:47:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 70. [2023-11-19 04:47:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:47:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 107 transitions. [2023-11-19 04:47:18,551 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 107 transitions. Word has length 170 [2023-11-19 04:47:18,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:18,556 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 107 transitions. [2023-11-19 04:47:18,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:47:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2023-11-19 04:47:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:47:18,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:18,563 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:18,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:47:18,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:47:18,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:18,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:18,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1677507694, now seen corresponding path program 1 times [2023-11-19 04:47:18,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:18,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461657383] [2023-11-19 04:47:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:18,772 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 [2023-11-19 04:47:18,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:18,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:47:18,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:47:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:19,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:47:19,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2023-11-19 04:47:19,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:47:19,243 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:19,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461657383] [2023-11-19 04:47:19,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461657383] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:47:19,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1977357438] [2023-11-19 04:47:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:19,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:19,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:47:19,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:47:19,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b6b0b8-73a6-4e4b-a267-c8a84d3d35ec/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:47:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:20,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:47:20,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2023-11-19 04:47:22,510 INFO L327 TraceCheckSpWp]: Computing backward predicates...