./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f94ee9d74ce660c6f227b9660cf3df0f0129c7656532a2fab777870f108cf683 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:43,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:44,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:13:44,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:44,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:44,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:44,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:44,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:44,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:44,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:44,119 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:44,119 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:44,120 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:44,121 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:44,121 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:44,122 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:44,122 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:44,123 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:44,123 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:44,124 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:44,124 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:44,125 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:44,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:44,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:44,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:44,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:44,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:44,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:44,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:44,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:44,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:44,130 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:44,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:44,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:44,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:44,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:44,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:44,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:44,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:44,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:44,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:44,133 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:44,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:44,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:44,133 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:44,134 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:44,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:44,134 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_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f94ee9d74ce660c6f227b9660cf3df0f0129c7656532a2fab777870f108cf683 [2023-11-23 21:13:44,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:44,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:44,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:44,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:44,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:44,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i [2023-11-23 21:13:47,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:48,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:48,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i [2023-11-23 21:13:48,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data/ce85d158e/bfda41dd5aa2452a9ede4691b3d875ad/FLAG1b81f5da3 [2023-11-23 21:13:48,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data/ce85d158e/bfda41dd5aa2452a9ede4691b3d875ad [2023-11-23 21:13:48,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:48,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:48,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:48,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:48,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:48,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8da8adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48, skipping insertion in model container [2023-11-23 21:13:48,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:48,408 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_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i[919,932] [2023-11-23 21:13:48,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:48,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:48,523 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_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i[919,932] [2023-11-23 21:13:48,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:48,625 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:48,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48 WrapperNode [2023-11-23 21:13:48,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:48,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:48,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:48,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:48,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,709 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-11-23 21:13:48,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:48,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:48,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:48,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:48,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:48,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:48,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:48,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:48,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (1/1) ... [2023-11-23 21:13:48,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:48,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:48,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:48,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:49,043 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:49,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:49,633 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:50,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:50,143 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:50,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:50 BoogieIcfgContainer [2023-11-23 21:13:50,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:50,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:50,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:50,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:50,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:48" (1/3) ... [2023-11-23 21:13:50,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd9ef5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:50, skipping insertion in model container [2023-11-23 21:13:50,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:48" (2/3) ... [2023-11-23 21:13:50,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd9ef5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:50, skipping insertion in model container [2023-11-23 21:13:50,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:50" (3/3) ... [2023-11-23 21:13:50,159 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i [2023-11-23 21:13:50,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:50,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:50,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:50,252 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;@7c1ca3f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:50,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:13:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:13:50,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:50,270 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:50,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:50,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:50,279 INFO L85 PathProgramCache]: Analyzing trace with hash 202056270, now seen corresponding path program 1 times [2023-11-23 21:13:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:50,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198050452] [2023-11-23 21:13:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:50,550 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:13:50,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978498391] [2023-11-23 21:13:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:50,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:50,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:50,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:13:50,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:13:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:51,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:51,605 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:51,608 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:51,609 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:13:51,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:13:51,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:13:51,825 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:13:51,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:51,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:51 BoogieIcfgContainer [2023-11-23 21:13:51,950 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:51,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:51,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:51,951 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:51,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:50" (3/4) ... [2023-11-23 21:13:51,954 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:13:51,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:51,957 INFO L158 Benchmark]: Toolchain (without parser) took 3765.85ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 101.0MB in the beginning and 101.8MB in the end (delta: -774.1kB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-11-23 21:13:51,958 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:51,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.72ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 85.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:13:51,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.92ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 80.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:51,960 INFO L158 Benchmark]: Boogie Preprocessor took 94.25ms. Allocated memory is still 146.8MB. Free memory was 80.8MB in the beginning and 78.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:51,961 INFO L158 Benchmark]: RCFGBuilder took 1340.23ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 78.3MB in the beginning and 86.2MB in the end (delta: -7.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-23 21:13:51,962 INFO L158 Benchmark]: TraceAbstraction took 1801.44ms. Allocated memory is still 180.4MB. Free memory was 85.9MB in the beginning and 101.8MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:51,962 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 180.4MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:51,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.72ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 85.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.92ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 80.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.25ms. Allocated memory is still 146.8MB. Free memory was 80.8MB in the beginning and 78.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1340.23ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 78.3MB in the beginning and 86.2MB in the end (delta: -7.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1801.44ms. Allocated memory is still 180.4MB. Free memory was 85.9MB in the beginning and 101.8MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 180.4MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of shiftLeft at line 67, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryArithmeticFLOAToperation at line 73, overapproximation of someUnaryFLOAToperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] signed short int var_1_24 = 2; [L40] unsigned short int var_1_31 = 8; [L41] unsigned char var_1_33 = 1; [L42] float var_1_35 = 32.4; [L43] float var_1_36 = 8.5; [L44] float var_1_37 = 7.5; [L45] unsigned char var_1_39 = 16; [L46] signed short int var_1_41 = -2; [L47] unsigned char var_1_42 = 10; [L48] unsigned char var_1_43 = 4; [L49] unsigned char var_1_44 = 64; [L50] signed long int var_1_45 = -25; [L51] unsigned char last_1_var_1_1 = 0; [L52] unsigned long int last_1_var_1_9 = 10; [L53] signed short int last_1_var_1_14 = 32; [L54] unsigned char last_1_var_1_16 = 1; [L55] signed char last_1_var_1_20 = 1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L180] last_1_var_1_1 = var_1_1 [L181] last_1_var_1_9 = var_1_9 [L182] last_1_var_1_14 = var_1_14 [L183] last_1_var_1_16 = var_1_16 [L184] last_1_var_1_20 = var_1_20 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L142] var_1_8 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L144] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L145] var_1_11 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L147] var_1_12 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L149] var_1_13 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L151] var_1_15 = __VERIFIER_nondet_ulong() [L152] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L153] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L154] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L155] var_1_17 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L159] var_1_18 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L161] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L164] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L165] var_1_21 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L167] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L168] var_1_36 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L170] var_1_37 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L172] var_1_43 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L174] CALL assume_abort_if_not(var_1_43 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=11, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_43 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=11, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L175] var_1_44 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=11, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=11, var_1_45=-25, var_1_8=1, var_1_9=10] [L177] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=11, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=11, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L195] RET updateVariables() [L196] CALL step() [L59] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L60] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; [L61] COND FALSE !(stepLocal_0 == last_1_var_1_14) [L66] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; [L67] EXPR 256u << last_1_var_1_16 [L67] COND FALSE !(stepLocal_6 <= (256u << last_1_var_1_16)) [L70] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L71] unsigned char stepLocal_4 = var_1_8; [L72] COND TRUE (! var_1_1) || stepLocal_4 [L73] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L81] COND FALSE !(\read(var_1_1)) [L88] var_1_24 = var_1_16 [L90] var_1_20 = var_1_21 [L91] var_1_22 = var_1_12 [L92] COND FALSE !(var_1_9 >= var_1_23) [L99] COND TRUE \read(var_1_8) [L100] var_1_41 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L104] var_1_23 = var_1_21 [L105] var_1_33 = var_1_8 [L106] COND TRUE var_1_8 || var_1_8 [L107] var_1_39 = var_1_18 [L109] COND FALSE !((var_1_16 / var_1_15) >= var_1_16) [L114] COND FALSE !(((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) < (var_1_13 * var_1_13)) [L118] COND FALSE !(\read(var_1_1)) [L121] EXPR (var_1_16 / var_1_15) & var_1_16 [L121] COND FALSE !(((var_1_16 / var_1_15) & var_1_16) >= var_1_20) [L124] var_1_14 = -128 [L127] COND TRUE var_1_15 >= var_1_21 [L128] var_1_35 = ((var_1_36 - var_1_37) + var_1_12) [L130] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L131] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); [L132] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 [L133] COND FALSE !(stepLocal_2 <= (-5 + var_1_16)) [L137] COND TRUE var_1_12 <= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12))) [L138] var_1_42 = (((((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))) < 0 ) ? -((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))) : ((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))))) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L187] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L187-L188] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=-128, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=3, var_1_23=1, var_1_24=1, var_1_31=8, var_1_33=1, var_1_35=0, var_1_39=0, var_1_41=0, var_1_42=11, var_1_43=11, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=-128, var_1_15=2147483658, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=1, var_1_22=3, var_1_23=1, var_1_24=1, var_1_31=8, var_1_33=1, var_1_35=0, var_1_39=0, var_1_41=0, var_1_42=11, var_1_43=11, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:13:52,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f94ee9d74ce660c6f227b9660cf3df0f0129c7656532a2fab777870f108cf683 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:54,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:54,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:13:54,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:54,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:54,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:54,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:54,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:54,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:54,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:54,932 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:54,933 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:54,933 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:54,935 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:54,935 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:54,936 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:54,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:54,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:54,938 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:54,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:54,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:54,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:54,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:54,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:54,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:13:54,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:13:54,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:13:54,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:54,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:54,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:54,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:54,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:13:54,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:54,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:54,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:54,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:54,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:54,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:54,946 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:13:54,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:54,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:54,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:54,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:54,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:54,949 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_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f94ee9d74ce660c6f227b9660cf3df0f0129c7656532a2fab777870f108cf683 [2023-11-23 21:13:55,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:55,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:55,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:55,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:55,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:55,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i [2023-11-23 21:13:58,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:58,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:58,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i [2023-11-23 21:13:58,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data/98520222b/95db4517b5ae475eb9b57758363e59e7/FLAG08f7a007c [2023-11-23 21:13:58,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/data/98520222b/95db4517b5ae475eb9b57758363e59e7 [2023-11-23 21:13:58,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:58,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:58,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:58,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:58,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:58,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:58" (1/1) ... [2023-11-23 21:13:58,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ba8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:58, skipping insertion in model container [2023-11-23 21:13:58,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:58" (1/1) ... [2023-11-23 21:13:59,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:59,196 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_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i[919,932] [2023-11-23 21:13:59,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:59,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:59,396 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_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i[919,932] [2023-11-23 21:13:59,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:59,493 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:59,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59 WrapperNode [2023-11-23 21:13:59,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:59,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:59,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:59,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:59,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,569 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-23 21:13:59,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:59,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:59,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:59,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:59,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:59,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:59,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:59,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:59,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (1/1) ... [2023-11-23 21:13:59,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:59,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:59,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:59,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:13:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:59,881 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:59,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:01,360 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:01,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:01,475 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:01,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:01 BoogieIcfgContainer [2023-11-23 21:14:01,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:01,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:01,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:01,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:01,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:58" (1/3) ... [2023-11-23 21:14:01,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cab4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:01, skipping insertion in model container [2023-11-23 21:14:01,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:59" (2/3) ... [2023-11-23 21:14:01,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cab4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:01, skipping insertion in model container [2023-11-23 21:14:01,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:01" (3/3) ... [2023-11-23 21:14:01,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-53.i [2023-11-23 21:14:01,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:01,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:01,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:01,581 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;@4676fccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:01,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:14:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 21:14:01,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:01,617 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:01,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:01,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1911906763, now seen corresponding path program 1 times [2023-11-23 21:14:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:01,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20481826] [2023-11-23 21:14:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:01,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:01,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:01,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:01,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:14:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:02,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:14:02,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:14:02,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:02,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20481826] [2023-11-23 21:14:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20481826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:02,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:02,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:02,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638701810] [2023-11-23 21:14:02,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:02,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:02,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:02,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:02,298 INFO L87 Difference]: Start difference. First operand has 75 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:14:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:02,538 INFO L93 Difference]: Finished difference Result 147 states and 263 transitions. [2023-11-23 21:14:02,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:02,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-23 21:14:02,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:02,559 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:14:02,560 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:14:02,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:02,569 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:02,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:14:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:14:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:14:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:14:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2023-11-23 21:14:02,635 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 151 [2023-11-23 21:14:02,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:02,636 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2023-11-23 21:14:02,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:14:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2023-11-23 21:14:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 21:14:02,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:02,642 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:02,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:02,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:02,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:02,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash 551971439, now seen corresponding path program 1 times [2023-11-23 21:14:02,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:02,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380540374] [2023-11-23 21:14:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:02,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:02,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:02,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:02,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:14:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:03,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:14:03,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:14:04,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:04,071 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:04,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380540374] [2023-11-23 21:14:04,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380540374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:04,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:04,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:04,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084076668] [2023-11-23 21:14:04,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:04,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:04,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:04,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:04,077 INFO L87 Difference]: Start difference. First operand 73 states and 116 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:14:04,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:04,671 INFO L93 Difference]: Finished difference Result 213 states and 338 transitions. [2023-11-23 21:14:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:04,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-11-23 21:14:04,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:04,679 INFO L225 Difference]: With dead ends: 213 [2023-11-23 21:14:04,684 INFO L226 Difference]: Without dead ends: 141 [2023-11-23 21:14:04,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:04,687 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:04,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 208 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:14:04,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-23 21:14:04,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2023-11-23 21:14:04,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.4111111111111112) internal successors, (127), 90 states have internal predecessors, (127), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:14:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 219 transitions. [2023-11-23 21:14:04,771 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 219 transitions. Word has length 151 [2023-11-23 21:14:04,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:04,775 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 219 transitions. [2023-11-23 21:14:04,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:14:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2023-11-23 21:14:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 21:14:04,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:04,797 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:04,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:05,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:05,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:05,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:05,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1752637949, now seen corresponding path program 1 times [2023-11-23 21:14:05,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:05,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472113969] [2023-11-23 21:14:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:05,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:05,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:05,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:05,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:14:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:05,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:14:05,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:14:05,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:05,460 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:05,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472113969] [2023-11-23 21:14:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472113969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:05,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:05,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445868527] [2023-11-23 21:14:05,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:05,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:05,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:05,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:05,479 INFO L87 Difference]: Start difference. First operand 139 states and 219 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:14:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:05,993 INFO L93 Difference]: Finished difference Result 364 states and 575 transitions. [2023-11-23 21:14:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:05,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-23 21:14:05,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:05,999 INFO L225 Difference]: With dead ends: 364 [2023-11-23 21:14:05,999 INFO L226 Difference]: Without dead ends: 226 [2023-11-23 21:14:06,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:06,003 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 108 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:06,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 306 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:14:06,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-23 21:14:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 142. [2023-11-23 21:14:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 93 states have internal predecessors, (131), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:14:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 223 transitions. [2023-11-23 21:14:06,036 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 223 transitions. Word has length 152 [2023-11-23 21:14:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:06,037 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 223 transitions. [2023-11-23 21:14:06,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:14:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2023-11-23 21:14:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 21:14:06,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:06,041 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:06,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:06,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:06,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:06,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:06,252 INFO L85 PathProgramCache]: Analyzing trace with hash 943291323, now seen corresponding path program 1 times [2023-11-23 21:14:06,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:06,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806710315] [2023-11-23 21:14:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:06,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:06,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:06,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:06,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:14:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:06,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:14:06,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-23 21:14:07,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:14:07,662 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806710315] [2023-11-23 21:14:07,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806710315] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:14:07,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1635056681] [2023-11-23 21:14:07,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:07,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:07,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:14:07,669 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:14:07,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:14:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:08,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:14:08,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-23 21:14:09,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:14:09,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1635056681] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:14:09,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807113936] [2023-11-23 21:14:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:09,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:09,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:14:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:09,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:14:09,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 462 proven. 141 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-11-23 21:14:11,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:14:12,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807113936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:14:12,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:14:12,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 15, 9] total 24 [2023-11-23 21:14:12,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682313964] [2023-11-23 21:14:12,515 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:14:12,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-23 21:14:12,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:12,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-23 21:14:12,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:14:12,520 INFO L87 Difference]: Start difference. First operand 142 states and 223 transitions. Second operand has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-23 21:14:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:18,955 INFO L93 Difference]: Finished difference Result 481 states and 711 transitions. [2023-11-23 21:14:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-23 21:14:18,957 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 152 [2023-11-23 21:14:18,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:18,962 INFO L225 Difference]: With dead ends: 481 [2023-11-23 21:14:18,962 INFO L226 Difference]: Without dead ends: 340 [2023-11-23 21:14:18,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 884 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=959, Invalid=2947, Unknown=0, NotChecked=0, Total=3906 [2023-11-23 21:14:18,966 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 405 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:18,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 924 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-23 21:14:18,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-11-23 21:14:19,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 163. [2023-11-23 21:14:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.2777777777777777) internal successors, (138), 108 states have internal predecessors, (138), 46 states have call successors, (46), 8 states have call predecessors, (46), 8 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:14:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 230 transitions. [2023-11-23 21:14:19,006 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 230 transitions. Word has length 152 [2023-11-23 21:14:19,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:19,008 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 230 transitions. [2023-11-23 21:14:19,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-23 21:14:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 230 transitions. [2023-11-23 21:14:19,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:14:19,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:19,022 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:19,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-23 21:14:19,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:19,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:19,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:19,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:19,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1742573569, now seen corresponding path program 1 times [2023-11-23 21:14:19,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:19,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875211779] [2023-11-23 21:14:19,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:19,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:19,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:19,627 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:19,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bc1de2-c08a-4289-81bb-0b3f1b2d296f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 21:14:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:20,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 21:14:20,033 INFO L285 TraceCheckSpWp]: Computing forward predicates...