./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 b801f32ac30bed662997357f9a8c5cf8249a3d829ec59a5d6f4b935372919433 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:03,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:03,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:32:03,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:03,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:03,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:03,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:03,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:03,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:03,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:03,300 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:03,301 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:03,302 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:03,304 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:03,305 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:03,305 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:03,306 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:03,306 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:03,307 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:03,308 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:03,308 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:03,309 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:03,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:03,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:03,311 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:03,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:03,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:03,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:03,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:03,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:03,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:03,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:03,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:03,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:03,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:03,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:03,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:03,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:03,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:03,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:03,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:03,319 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:03,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:03,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:03,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:03,320 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:03,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:03,321 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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b801f32ac30bed662997357f9a8c5cf8249a3d829ec59a5d6f4b935372919433 [2023-11-23 21:32:03,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:03,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:03,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:03,705 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:03,706 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:03,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i [2023-11-23 21:32:06,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:07,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:07,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i [2023-11-23 21:32:07,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data/54d6a0922/8d19d092e74a4d3787e7da1f49135044/FLAGcccd097ac [2023-11-23 21:32:07,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data/54d6a0922/8d19d092e74a4d3787e7da1f49135044 [2023-11-23 21:32:07,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:07,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:07,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:07,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:07,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:07,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfd54d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07, skipping insertion in model container [2023-11-23 21:32:07,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:07,653 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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i[919,932] [2023-11-23 21:32:07,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:07,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:07,837 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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i[919,932] [2023-11-23 21:32:07,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:07,941 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:07,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07 WrapperNode [2023-11-23 21:32:07,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:07,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:07,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:07,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:07,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,039 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-23 21:32:08,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:08,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:08,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:08,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:08,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:08,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:08,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:08,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:08,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:08,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:08,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:08,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:08,333 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:08,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:08,898 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:09,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:09,362 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:09,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:09 BoogieIcfgContainer [2023-11-23 21:32:09,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:09,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:09,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:09,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:09,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:07" (1/3) ... [2023-11-23 21:32:09,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2c30d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:09, skipping insertion in model container [2023-11-23 21:32:09,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (2/3) ... [2023-11-23 21:32:09,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2c30d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:09, skipping insertion in model container [2023-11-23 21:32:09,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:09" (3/3) ... [2023-11-23 21:32:09,382 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i [2023-11-23 21:32:09,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:09,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:09,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:09,485 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;@5d94d50e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:09,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:32:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:32:09,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:09,514 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:09,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:09,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:09,522 INFO L85 PathProgramCache]: Analyzing trace with hash -189775208, now seen corresponding path program 1 times [2023-11-23 21:32:09,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:09,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695028978] [2023-11-23 21:32:09,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:09,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:09,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:32:09,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99816418] [2023-11-23 21:32:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:09,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:09,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:09,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:09,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:32:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:10,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:10,587 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:10,590 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:10,592 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:10,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:10,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:32:10,811 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:10,816 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:11,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:11 BoogieIcfgContainer [2023-11-23 21:32:11,027 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:11,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:11,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:11,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:11,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:09" (3/4) ... [2023-11-23 21:32:11,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:11,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:11,035 INFO L158 Benchmark]: Toolchain (without parser) took 3652.76ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 113.5MB in the beginning and 92.8MB in the end (delta: 20.6MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-11-23 21:32:11,036 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:11,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.22ms. Allocated memory is still 159.4MB. Free memory was 113.5MB in the beginning and 97.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:32:11,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.89ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 92.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:11,038 INFO L158 Benchmark]: Boogie Preprocessor took 89.24ms. Allocated memory is still 159.4MB. Free memory was 92.5MB in the beginning and 89.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:11,039 INFO L158 Benchmark]: RCFGBuilder took 1233.69ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 89.7MB in the beginning and 147.4MB in the end (delta: -57.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:11,040 INFO L158 Benchmark]: TraceAbstraction took 1658.74ms. Allocated memory is still 205.5MB. Free memory was 147.4MB in the beginning and 93.9MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:11,041 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 205.5MB. Free memory was 93.9MB in the beginning and 92.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:11,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.22ms. Allocated memory is still 159.4MB. Free memory was 113.5MB in the beginning and 97.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.89ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 92.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.24ms. Allocated memory is still 159.4MB. Free memory was 92.5MB in the beginning and 89.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1233.69ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 89.7MB in the beginning and 147.4MB in the end (delta: -57.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1658.74ms. Allocated memory is still 205.5MB. Free memory was 147.4MB in the beginning and 93.9MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 205.5MB. Free memory was 93.9MB in the beginning and 92.8MB in the end (delta: 1.0MB). 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 180, overapproximation of shiftLeft at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 1; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 50; [L27] double var_1_9 = 32.7; [L28] double var_1_10 = 64.25; [L29] double var_1_11 = 10.3; [L30] double var_1_12 = 3.3; [L31] double var_1_13 = 16.5; [L32] double var_1_14 = 7.125; [L33] unsigned short int var_1_15 = 50; [L34] unsigned short int var_1_16 = 16; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 64; [L37] unsigned long int var_1_19 = 16; [L38] signed short int var_1_20 = 100; [L39] signed short int var_1_21 = 2; [L40] signed short int var_1_22 = 8; [L41] signed long int var_1_23 = -4; [L42] unsigned short int var_1_24 = 128; [L43] signed long int var_1_25 = 2; [L44] unsigned short int var_1_26 = 256; [L45] unsigned char var_1_27 = 0; [L46] unsigned char var_1_28 = 1; [L47] float var_1_34 = 999999999.85; [L48] signed short int var_1_37 = -256; [L49] double var_1_40 = 31.25; [L50] double var_1_42 = 128.5; [L51] unsigned char var_1_43 = 0; [L52] unsigned long int var_1_45 = 50; [L53] signed long int last_1_var_1_8 = 50; [L54] unsigned long int last_1_var_1_19 = 16; [L55] unsigned char last_1_var_1_27 = 0; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L183] last_1_var_1_8 = var_1_8 [L184] last_1_var_1_19 = var_1_19 [L185] last_1_var_1_27 = var_1_27 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L136] var_1_3 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L138] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L139] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L140] var_1_6 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L142] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_8=50, var_1_9=327/10] [L145] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L146] var_1_10 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L148] var_1_11 = __VERIFIER_nondet_double() [L149] 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_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L149] 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_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L150] var_1_12 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L152] var_1_13 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L154] var_1_14 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L156] var_1_16 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L158] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L159] var_1_17 = __VERIFIER_nondet_ushort() [L160] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L161] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L162] var_1_18 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L164] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L165] var_1_20 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L167] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L168] var_1_21 = __VERIFIER_nondet_short() [L169] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L170] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L171] var_1_22 = __VERIFIER_nondet_short() [L172] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L173] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L174] var_1_24 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L176] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L177] CALL assume_abort_if_not(var_1_24 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=65535, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=65535, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_34=19999999997/20, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L178] var_1_34 = __VERIFIER_nondet_float() [L179] CALL assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=65535, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=65535, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L180] CALL assume_abort_if_not(var_1_34 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=65535, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_34 != 0.0F) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=-4, var_1_24=65535, var_1_25=2, var_1_26=256, var_1_27=0, var_1_28=1, var_1_37=-256, var_1_3=-128, var_1_40=125/4, var_1_42=257/2, var_1_43=0, var_1_45=50, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L196] RET updateVariables() [L197] CALL step() [L59] EXPR -1 << last_1_var_1_19 [L59] signed long int stepLocal_1 = -1 << last_1_var_1_19; [L60] unsigned long int stepLocal_0 = -1000000000 + last_1_var_1_19; [L61] COND FALSE !(stepLocal_1 < var_1_3) [L68] COND FALSE !((var_1_18 * var_1_19) == var_1_21) [L73] COND TRUE 5 <= ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) [L74] var_1_28 = ((var_1_11 >= var_1_34) || var_1_6) [L77] COND TRUE \read(var_1_6) [L78] var_1_37 = (((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) < 0 ) ? -((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) : ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) [L90] COND FALSE !((var_1_13 - var_1_14) > var_1_13) [L97] var_1_45 = var_1_17 [L99] var_1_9 = (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14))) [L100] var_1_40 = var_1_14 [L101] COND FALSE !(var_1_10 >= var_1_11) [L104] var_1_25 = -256 [L105] COND TRUE var_1_34 <= var_1_14 [L106] COND FALSE !(var_1_17 < -2) [L109] var_1_43 = ((var_1_7 || var_1_6) && var_1_7) [L112] var_1_26 = var_1_17 [L113] var_1_27 = var_1_6 [L114] COND TRUE var_1_7 || var_1_1 [L115] COND TRUE (var_1_26 >= var_1_3) && var_1_1 [L116] var_1_8 = ((((var_1_3) < (var_1_26)) ? (var_1_3) : (var_1_26))) [L127] COND TRUE var_1_6 || (var_1_16 <= (var_1_22 / var_1_24)) [L128] var_1_23 = (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) [L130] COND FALSE !((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) [L133] var_1_42 = var_1_11 [L197] RET step() [L198] CALL, EXPR property() [L188] EXPR -1 << last_1_var_1_19 [L188-L189] return ((((((((((-1 << last_1_var_1_19) < var_1_3) ? (((last_1_var_1_19 / var_1_3) > (-1000000000 + last_1_var_1_19)) ? (var_1_1 == ((unsigned char) (last_1_var_1_27 || var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : 1) && ((var_1_7 || var_1_1) ? (((var_1_26 >= var_1_3) && var_1_1) ? (var_1_8 == ((signed long int) ((((var_1_3) < (var_1_26)) ? (var_1_3) : (var_1_26))))) : (var_1_1 ? (var_1_8 == ((signed long int) last_1_var_1_8)) : (var_1_8 == ((signed long int) last_1_var_1_8)))) : (var_1_8 == ((signed long int) last_1_var_1_8)))) && (var_1_9 == ((double) (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14)))))) && ((var_1_10 >= var_1_11) ? (var_1_15 == ((unsigned short int) ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))))) : 1)) && (((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) ? (var_1_19 == ((unsigned long int) ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_6 || (var_1_16 <= (var_1_22 / var_1_24))) ? (var_1_23 == ((signed long int) (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : 1)) && (var_1_25 == ((signed long int) -256))) && (var_1_26 == ((unsigned short int) var_1_17))) && (var_1_27 == ((unsigned char) var_1_6)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=2, var_1_14=3, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=50, var_1_24=65535, var_1_25=-256, var_1_26=1, var_1_27=1, var_1_28=1, var_1_37=50, var_1_3=-128, var_1_40=3, var_1_42=2, var_1_43=0, var_1_45=1, var_1_6=1, var_1_7=0, var_1_8=-128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=2, var_1_14=3, var_1_15=50, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32718, var_1_23=50, var_1_24=65535, var_1_25=-256, var_1_26=1, var_1_27=1, var_1_28=1, var_1_37=50, var_1_3=-128, var_1_40=3, var_1_42=2, var_1_43=0, var_1_45=1, var_1_6=1, var_1_7=0, var_1_8=-128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 21:32:11,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 b801f32ac30bed662997357f9a8c5cf8249a3d829ec59a5d6f4b935372919433 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:14,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:14,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:14,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:14,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:14,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:14,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:14,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:14,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:14,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:14,559 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:14,560 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:14,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:14,562 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:14,562 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:14,563 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:14,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:14,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:14,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:14,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:14,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:14,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:14,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:14,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:14,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:14,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:14,570 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:14,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:14,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:14,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:14,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:14,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:14,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:14,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:14,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:14,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:14,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:14,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:14,574 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:14,575 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:14,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:14,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:14,576 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:14,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:14,577 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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b801f32ac30bed662997357f9a8c5cf8249a3d829ec59a5d6f4b935372919433 [2023-11-23 21:32:15,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:15,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:15,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:15,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:15,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:15,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i [2023-11-23 21:32:18,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:18,623 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:18,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i [2023-11-23 21:32:18,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data/9eb95b725/e15cf578d7bb4a7b8947a448dd072014/FLAG0aa3df681 [2023-11-23 21:32:18,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/data/9eb95b725/e15cf578d7bb4a7b8947a448dd072014 [2023-11-23 21:32:18,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:18,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:18,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:18,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:18,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:18,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bca06c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18, skipping insertion in model container [2023-11-23 21:32:18,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:19,163 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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i[919,932] [2023-11-23 21:32:19,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:19,277 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:19,294 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_f1d5aaec-8d06-4e2c-bcce-744f6283c809/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i[919,932] [2023-11-23 21:32:19,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:19,371 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:19,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19 WrapperNode [2023-11-23 21:32:19,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:19,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:19,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:19,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:19,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,505 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-23 21:32:19,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:19,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:19,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:19,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:19,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:19,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:19,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:19,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:19,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:19,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:19,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:19,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:19,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:19,874 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:19,877 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:27,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:27,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:27,670 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:27,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:27 BoogieIcfgContainer [2023-11-23 21:32:27,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:27,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:27,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:27,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:27,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:18" (1/3) ... [2023-11-23 21:32:27,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6158c7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:27, skipping insertion in model container [2023-11-23 21:32:27,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19" (2/3) ... [2023-11-23 21:32:27,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6158c7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:27, skipping insertion in model container [2023-11-23 21:32:27,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:27" (3/3) ... [2023-11-23 21:32:27,682 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-94.i [2023-11-23 21:32:27,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:27,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:27,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:27,793 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;@15d35606, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:27,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:32:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 21:32:27,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:27,829 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:27,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:27,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:27,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1754572259, now seen corresponding path program 1 times [2023-11-23 21:32:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504598699] [2023-11-23 21:32:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:27,856 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 21:32:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:27,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:27,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:28,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:28,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-11-23 21:32:28,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:28,797 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:28,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504598699] [2023-11-23 21:32:28,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504598699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:28,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:28,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:28,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104547258] [2023-11-23 21:32:28,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:28,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:28,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:28,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:28,867 INFO L87 Difference]: Start difference. First operand has 79 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:32:31,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:31,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:31,074 INFO L93 Difference]: Finished difference Result 155 states and 283 transitions. [2023-11-23 21:32:31,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:31,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 179 [2023-11-23 21:32:31,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:31,130 INFO L225 Difference]: With dead ends: 155 [2023-11-23 21:32:31,131 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:32:31,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 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 21:32:31,144 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:31,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:32:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:32:31,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:32:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:32:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2023-11-23 21:32:31,258 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 179 [2023-11-23 21:32:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:31,259 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2023-11-23 21:32:31,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:32:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-23 21:32:31,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 21:32:31,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:31,275 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:31,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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)] Ended with exit code 0 [2023-11-23 21:32:31,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:31,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:31,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:31,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1712215317, now seen corresponding path program 1 times [2023-11-23 21:32:31,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:31,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798049796] [2023-11-23 21:32:31,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:31,493 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 21:32:31,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:31,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:31,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:32,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:32:32,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:32:34,297 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:34,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:34,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798049796] [2023-11-23 21:32:34,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798049796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:34,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:34,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:32:34,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331749611] [2023-11-23 21:32:34,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:32:34,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:34,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:32:34,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:34,315 INFO L87 Difference]: Start difference. First operand 77 states and 122 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:32:37,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:39,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:41,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:41,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:41,875 INFO L93 Difference]: Finished difference Result 235 states and 370 transitions. [2023-11-23 21:32:41,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:32:41,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 179 [2023-11-23 21:32:41,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:41,914 INFO L225 Difference]: With dead ends: 235 [2023-11-23 21:32:41,914 INFO L226 Difference]: Without dead ends: 159 [2023-11-23 21:32:41,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:32:41,918 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 138 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 60 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:41,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 466 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2023-11-23 21:32:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-23 21:32:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2023-11-23 21:32:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:32:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 240 transitions. [2023-11-23 21:32:41,980 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 240 transitions. Word has length 179 [2023-11-23 21:32:41,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:41,984 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 240 transitions. [2023-11-23 21:32:41,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:32:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 240 transitions. [2023-11-23 21:32:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:32:41,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:41,999 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:42,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:42,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:42,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:42,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:42,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1212727458, now seen corresponding path program 1 times [2023-11-23 21:32:42,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:42,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903098488] [2023-11-23 21:32:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:42,207 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 21:32:42,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:42,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:42,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:42,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:32:42,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-11-23 21:32:44,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:32:45,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903098488] [2023-11-23 21:32:45,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903098488] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:45,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [776135342] [2023-11-23 21:32:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:45,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:45,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:32:45,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:32:45,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:32:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:46,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:32:46,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:32:46,690 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:46,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [776135342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:46,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:32:46,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-23 21:32:46,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312875904] [2023-11-23 21:32:46,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:46,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:46,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:46,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:46,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:32:46,695 INFO L87 Difference]: Start difference. First operand 151 states and 240 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:32:49,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:51,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:52,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:52,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:52,481 INFO L93 Difference]: Finished difference Result 353 states and 554 transitions. [2023-11-23 21:32:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:52,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 180 [2023-11-23 21:32:52,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:52,487 INFO L225 Difference]: With dead ends: 353 [2023-11-23 21:32:52,487 INFO L226 Difference]: Without dead ends: 203 [2023-11-23 21:32:52,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 528 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:32:52,490 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 29 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:52,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 224 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-23 21:32:52,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-23 21:32:52,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2023-11-23 21:32:52,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 130 states have (on average 1.4) internal successors, (182), 132 states have internal predecessors, (182), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-23 21:32:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 310 transitions. [2023-11-23 21:32:52,540 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 310 transitions. Word has length 180 [2023-11-23 21:32:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:52,544 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 310 transitions. [2023-11-23 21:32:52,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:32:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 310 transitions. [2023-11-23 21:32:52,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:32:52,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:52,553 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:52,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-23 21:32:52,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:52,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:52,957 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:52,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:52,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1210880416, now seen corresponding path program 1 times [2023-11-23 21:32:52,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:52,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302742904] [2023-11-23 21:32:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:52,959 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 21:32:52,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:52,968 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:32:52,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:32:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:53,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:32:53,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-11-23 21:32:55,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:32:56,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:56,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302742904] [2023-11-23 21:32:56,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302742904] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:56,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1362102372] [2023-11-23 21:32:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:56,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:32:56,043 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:32:56,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:32:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:56,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:32:56,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:32:57,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:57,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1362102372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:57,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:32:57,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 10 [2023-11-23 21:32:57,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536017051] [2023-11-23 21:32:57,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:57,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:32:57,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:32:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:32:57,037 INFO L87 Difference]: Start difference. First operand 199 states and 310 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:32:59,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:01,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:01,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:33:01,582 INFO L93 Difference]: Finished difference Result 642 states and 997 transitions. [2023-11-23 21:33:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:33:01,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 180 [2023-11-23 21:33:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:33:01,593 INFO L225 Difference]: With dead ends: 642 [2023-11-23 21:33:01,594 INFO L226 Difference]: Without dead ends: 444 [2023-11-23 21:33:01,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 528 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:33:01,596 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 196 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:33:01,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 262 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2023-11-23 21:33:01,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-11-23 21:33:01,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 347. [2023-11-23 21:33:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 244 states have (on average 1.4467213114754098) internal successors, (353), 247 states have internal predecessors, (353), 96 states have call successors, (96), 6 states have call predecessors, (96), 6 states have return successors, (96), 93 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-23 21:33:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 545 transitions. [2023-11-23 21:33:01,665 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 545 transitions. Word has length 180 [2023-11-23 21:33:01,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:33:01,666 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 545 transitions. [2023-11-23 21:33:01,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:33:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 545 transitions. [2023-11-23 21:33:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:33:01,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:01,670 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:33:01,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:33:01,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:33:02,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:33:02,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:02,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:02,076 INFO L85 PathProgramCache]: Analyzing trace with hash 189812062, now seen corresponding path program 1 times [2023-11-23 21:33:02,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:02,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310735850] [2023-11-23 21:33:02,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:02,077 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 21:33:02,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:02,081 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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 21:33:02,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d5aaec-8d06-4e2c-bcce-744f6283c809/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