./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:01,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:01,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:01,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:01,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:01,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:01,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:01,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:01,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:01,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:01,417 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:01,417 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:01,418 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:01,421 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:01,421 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:01,422 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:01,423 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:01,424 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:01,425 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:01,425 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:01,428 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:01,429 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:01,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:01,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:01,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:01,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:01,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:01,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:01,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:01,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:01,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:01,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:01,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:01,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:01,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:01,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:01,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:01,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:01,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:01,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:01,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:01,444 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:01,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:01,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:01,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:01,446 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:01,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:01,446 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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 [2023-11-23 21:29:01,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:01,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:01,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:01,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:01,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:01,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-23 21:29:05,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:05,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:05,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-23 21:29:05,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data/2bfa0e1e4/57386e45f2614500856ad3677beabc8d/FLAGecb0babf1 [2023-11-23 21:29:05,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data/2bfa0e1e4/57386e45f2614500856ad3677beabc8d [2023-11-23 21:29:05,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:05,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:05,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:05,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:05,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:05,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:05" (1/1) ... [2023-11-23 21:29:05,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c50285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:05, skipping insertion in model container [2023-11-23 21:29:05,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:05" (1/1) ... [2023-11-23 21:29:05,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:05,955 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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-23 21:29:06,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:06,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:06,106 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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-23 21:29:06,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:06,204 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:06,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06 WrapperNode [2023-11-23 21:29:06,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:06,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:06,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:06,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:06,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,326 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:29:06,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:06,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:06,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:06,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:06,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:06,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:06,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:06,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:06,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:06,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:06,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:06,656 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:06,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:07,260 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:07,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:07,804 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:07,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:07 BoogieIcfgContainer [2023-11-23 21:29:07,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:07,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:07,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:07,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:07,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:05" (1/3) ... [2023-11-23 21:29:07,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e510beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:07, skipping insertion in model container [2023-11-23 21:29:07,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06" (2/3) ... [2023-11-23 21:29:07,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e510beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:07, skipping insertion in model container [2023-11-23 21:29:07,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:07" (3/3) ... [2023-11-23 21:29:07,825 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-23 21:29:07,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:07,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:07,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:07,939 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;@30fab342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:07,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:29:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:29:07,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:07,965 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:07,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:07,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:07,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1995435210, now seen corresponding path program 1 times [2023-11-23 21:29:07,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:07,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400268130] [2023-11-23 21:29:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:07,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:08,305 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:29:08,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945879186] [2023-11-23 21:29:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:08,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:08,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:29:08,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:29:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:08,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:29:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:12,445 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:29:12,448 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:29:12,449 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:29:12,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:12,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:12,664 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:29:12,669 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:12,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:12 BoogieIcfgContainer [2023-11-23 21:29:12,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:12,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:12,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:12,816 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:12,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:07" (3/4) ... [2023-11-23 21:29:12,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:29:12,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:12,822 INFO L158 Benchmark]: Toolchain (without parser) took 7160.66ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.9MB in the beginning and 116.5MB in the end (delta: -46.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:12,823 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory was 104.6MB in the beginning and 104.5MB in the end (delta: 74.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:12,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.60ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.7MB in the beginning and 129.8MB in the end (delta: -60.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-23 21:29:12,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.71ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 124.2MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:12,831 INFO L158 Benchmark]: Boogie Preprocessor took 79.88ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 121.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:12,832 INFO L158 Benchmark]: RCFGBuilder took 1398.52ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 106.8MB in the end (delta: 14.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 21:29:12,833 INFO L158 Benchmark]: TraceAbstraction took 5003.30ms. Allocated memory is still 167.8MB. Free memory was 105.9MB in the beginning and 116.5MB in the end (delta: -10.6MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:12,834 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 167.8MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:12,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory was 104.6MB in the beginning and 104.5MB in the end (delta: 74.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.60ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.7MB in the beginning and 129.8MB in the end (delta: -60.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.71ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 124.2MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.88ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 121.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1398.52ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 106.8MB in the end (delta: 14.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5003.30ms. Allocated memory is still 167.8MB. Free memory was 105.9MB in the beginning and 116.5MB in the end (delta: -10.6MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 167.8MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 188, overapproximation of shiftRight at line 112, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = -0.25; [L23] double var_1_2 = -0.125; [L24] double var_1_3 = 127.5; [L25] unsigned char var_1_4 = 4; [L26] unsigned char var_1_5 = 0; [L27] unsigned char var_1_6 = 10; [L28] float var_1_7 = -0.2; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 1; [L32] unsigned char var_1_12 = 0; [L33] unsigned char var_1_13 = 0; [L34] unsigned char var_1_14 = 0; [L35] signed long int var_1_15 = -100000; [L36] signed char var_1_18 = 8; [L37] signed char var_1_19 = 64; [L38] signed short int var_1_20 = -16; [L39] signed long int var_1_22 = -1; [L40] double var_1_23 = 500.8; [L41] double var_1_24 = 9.8; [L42] unsigned short int var_1_25 = 16; [L43] unsigned short int var_1_26 = 41277; [L44] signed long int var_1_27 = 1000; [L45] double var_1_29 = 99.5; [L46] double var_1_30 = 99999999.6; [L47] unsigned long int var_1_31 = 4; [L48] unsigned short int var_1_32 = 10; [L49] unsigned short int var_1_33 = 52075; [L50] unsigned char last_1_var_1_4 = 4; [L51] unsigned char last_1_var_1_9 = 0; [L52] signed long int last_1_var_1_15 = -100000; [L53] signed short int last_1_var_1_20 = -16; [L54] signed long int last_1_var_1_22 = -1; [L55] unsigned short int last_1_var_1_32 = 10; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L180] last_1_var_1_4 = var_1_4 [L181] last_1_var_1_9 = var_1_9 [L182] last_1_var_1_15 = var_1_15 [L183] last_1_var_1_20 = var_1_20 [L184] last_1_var_1_22 = var_1_22 [L185] last_1_var_1_32 = var_1_32 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L136] var_1_2 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_2 >= -461168.6018427382800e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 4611686.018427382800e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=255/2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_2 >= -461168.6018427382800e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 4611686.018427382800e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=255/2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L138] var_1_3 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L140] var_1_5 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_6=10, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L143] var_1_6 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L146] var_1_10 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L149] var_1_11 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L155] var_1_13 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L161] var_1_19 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L164] var_1_24 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L166] var_1_26 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L168] CALL assume_abort_if_not(var_1_26 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_26 <= 65535) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L169] var_1_27 = __VERIFIER_nondet_long() [L170] CALL assume_abort_if_not(var_1_27 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L171] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_27 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_27 != 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L173] var_1_30 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L175] var_1_33 = __VERIFIER_nondet_ushort() [L176] CALL assume_abort_if_not(var_1_33 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_31=4, var_1_32=10, var_1_33=65534, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_33 >= 49150) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_31=4, var_1_32=10, var_1_33=65534, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L177] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_31=4, var_1_32=10, var_1_33=65534, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=-1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_25=16, var_1_26=32767, var_1_27=-2, var_1_29=199/2, var_1_31=4, var_1_32=10, var_1_33=65534, var_1_4=4, var_1_5=0, var_1_6=2, var_1_9=0] [L196] RET updateVariables() [L197] CALL step() [L59] signed long int stepLocal_7 = ((((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) < 0 ) ? -((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) : ((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4)))); [L60] COND FALSE !(stepLocal_7 >= ((last_1_var_1_22 * var_1_6) * last_1_var_1_15)) [L63] var_1_31 = ((((((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) > (var_1_26)) ? (((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) : (var_1_26))) [L65] COND FALSE !(\read(last_1_var_1_9)) [L68] var_1_1 = ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) [L69] var_1_29 = ((((((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) > (var_1_30)) ? (((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) : (var_1_30))) [L70] unsigned char stepLocal_2 = var_1_10; [L71] COND FALSE !(\read(var_1_5)) [L80] COND FALSE !(\read(var_1_9)) [L85] COND FALSE !((var_1_26 - var_1_32) <= (var_1_19 % var_1_27)) [L88] var_1_25 = ((((((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) > (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4))))) ? (((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) : (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4)))))) [L90] unsigned char stepLocal_1 = var_1_6 <= var_1_31; [L91] unsigned char stepLocal_0 = var_1_6; [L92] COND FALSE !(stepLocal_0 > (var_1_25 * var_1_31)) [L97] COND FALSE !(var_1_3 <= (- var_1_7)) [L102] unsigned char stepLocal_3 = var_1_9; [L103] COND FALSE !(var_1_3 != var_1_29) [L110] var_1_18 = var_1_19 [L112] EXPR var_1_4 >> var_1_18 [L112] COND FALSE !(var_1_6 >= (var_1_4 >> var_1_18)) [L115] signed char stepLocal_5 = var_1_18; [L116] signed char stepLocal_4 = var_1_18; [L117] COND FALSE !(stepLocal_5 < var_1_19) [L120] COND FALSE !(((((last_1_var_1_20) < (var_1_6)) ? (last_1_var_1_20) : (var_1_6))) == stepLocal_4) [L123] var_1_20 = -10 [L126] signed short int stepLocal_6 = var_1_20; [L127] COND FALSE !(stepLocal_6 > ((((var_1_20) > (var_1_19)) ? (var_1_20) : (var_1_19)))) [L197] RET step() [L198] CALL, EXPR property() [L188] EXPR ((((var_1_1 == ((double) ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))))) && (var_1_9 ? ((var_1_3 <= ((((499.25) < (999999.3)) ? (499.25) : (999999.3)))) ? (var_1_4 == ((unsigned char) var_1_6)) : 1) : 1)) && ((var_1_6 > (var_1_25 * var_1_31)) ? (((var_1_6 <= var_1_31) && var_1_9) ? (var_1_7 == ((float) var_1_3)) : 1) : 1)) && (var_1_5 ? ((var_1_11 || var_1_10) ? ((! (var_1_29 < var_1_2)) ? (var_1_9 == ((unsigned char) (var_1_12 || var_1_13))) : (var_1_9 == ((unsigned char) (var_1_11 && ((var_1_12 && var_1_13) || (! var_1_14)))))) : 1) : 1)) && ((var_1_6 >= (var_1_4 >> var_1_18)) ? (var_1_15 == ((signed long int) (((((var_1_4 + var_1_32)) < ((var_1_18 + (var_1_6 + var_1_18)))) ? ((var_1_4 + var_1_32)) : ((var_1_18 + (var_1_6 + var_1_18))))))) : 1) [L188] EXPR var_1_4 >> var_1_18 [L188] EXPR ((((var_1_1 == ((double) ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))))) && (var_1_9 ? ((var_1_3 <= ((((499.25) < (999999.3)) ? (499.25) : (999999.3)))) ? (var_1_4 == ((unsigned char) var_1_6)) : 1) : 1)) && ((var_1_6 > (var_1_25 * var_1_31)) ? (((var_1_6 <= var_1_31) && var_1_9) ? (var_1_7 == ((float) var_1_3)) : 1) : 1)) && (var_1_5 ? ((var_1_11 || var_1_10) ? ((! (var_1_29 < var_1_2)) ? (var_1_9 == ((unsigned char) (var_1_12 || var_1_13))) : (var_1_9 == ((unsigned char) (var_1_11 && ((var_1_12 && var_1_13) || (! var_1_14)))))) : 1) : 1)) && ((var_1_6 >= (var_1_4 >> var_1_18)) ? (var_1_15 == ((signed long int) (((((var_1_4 + var_1_32)) < ((var_1_18 + (var_1_6 + var_1_18)))) ? ((var_1_4 + var_1_32)) : ((var_1_18 + (var_1_6 + var_1_18))))))) : 1) [L188-L189] return ((((((((((((var_1_1 == ((double) ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))))) && (var_1_9 ? ((var_1_3 <= ((((499.25) < (999999.3)) ? (499.25) : (999999.3)))) ? (var_1_4 == ((unsigned char) var_1_6)) : 1) : 1)) && ((var_1_6 > (var_1_25 * var_1_31)) ? (((var_1_6 <= var_1_31) && var_1_9) ? (var_1_7 == ((float) var_1_3)) : 1) : 1)) && (var_1_5 ? ((var_1_11 || var_1_10) ? ((! (var_1_29 < var_1_2)) ? (var_1_9 == ((unsigned char) (var_1_12 || var_1_13))) : (var_1_9 == ((unsigned char) (var_1_11 && ((var_1_12 && var_1_13) || (! var_1_14)))))) : 1) : 1)) && ((var_1_6 >= (var_1_4 >> var_1_18)) ? (var_1_15 == ((signed long int) (((((var_1_4 + var_1_32)) < ((var_1_18 + (var_1_6 + var_1_18)))) ? ((var_1_4 + var_1_32)) : ((var_1_18 + (var_1_6 + var_1_18))))))) : 1)) && ((var_1_3 != var_1_29) ? (((var_1_32 <= var_1_31) && var_1_9) ? (var_1_18 == ((signed char) var_1_19)) : (var_1_18 == ((signed char) var_1_19))) : (var_1_18 == ((signed char) var_1_19)))) && ((var_1_18 < var_1_19) ? (var_1_20 == ((signed short int) (var_1_31 + var_1_19))) : ((((((last_1_var_1_20) < (var_1_6)) ? (last_1_var_1_20) : (var_1_6))) == var_1_18) ? (var_1_20 == ((signed short int) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : (var_1_20 == ((signed short int) -10))))) && ((var_1_20 > ((((var_1_20) > (var_1_19)) ? (var_1_20) : (var_1_19)))) ? ((! var_1_12) ? (var_1_22 == ((signed long int) (var_1_31 - var_1_20))) : (var_1_22 == ((signed long int) 2))) : 1)) && ((var_1_3 <= (- var_1_7)) ? (var_1_9 ? (var_1_23 == ((double) (var_1_24 - 31.25))) : 1) : 1)) && (((var_1_26 - var_1_32) <= (var_1_19 % var_1_27)) ? (var_1_25 == ((unsigned short int) ((((var_1_6) > (((((var_1_32) > (var_1_32)) ? (var_1_32) : (var_1_32))))) ? (var_1_6) : (((((var_1_32) > (var_1_32)) ? (var_1_32) : (var_1_32)))))))) : (var_1_25 == ((unsigned short int) ((((((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) > (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4))))) ? (((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) : (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4)))))))))) && (var_1_29 == ((double) ((((((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) > (var_1_30)) ? (((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) : (var_1_30)))))) && (((((((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) < 0 ) ? -((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) : ((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))))) >= ((last_1_var_1_22 * var_1_6) * last_1_var_1_15)) ? (var_1_31 == ((unsigned long int) (last_1_var_1_32 + (1891941459u - last_1_var_1_15)))) : (var_1_31 == ((unsigned long int) ((((((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) > (var_1_26)) ? (((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) : (var_1_26))))))) && (last_1_var_1_9 ? (var_1_32 == ((unsigned short int) ((var_1_33 - last_1_var_1_15) - var_1_6))) : 1) ; [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_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=-1, var_1_19=-1, var_1_1=399999999999997/4, var_1_20=-10, var_1_22=-1, var_1_23=2504/5, var_1_24=3, var_1_25=4, var_1_26=32767, var_1_27=-2, var_1_29=3, var_1_2=0, var_1_30=0, var_1_31=32767, var_1_32=10, var_1_33=65534, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=2, var_1_7=2, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=-1, var_1_19=-1, var_1_1=399999999999997/4, var_1_20=-10, var_1_22=-1, var_1_23=2504/5, var_1_24=3, var_1_25=4, var_1_26=32767, var_1_27=-2, var_1_29=3, var_1_2=0, var_1_30=0, var_1_31=32767, var_1_32=10, var_1_33=65534, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=2, var_1_7=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 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 21:29:12,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:15,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:15,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:29:15,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:15,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:15,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:15,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:15,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:15,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:15,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:15,991 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:15,992 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:15,993 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:15,995 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:15,996 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:15,996 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:15,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:15,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:15,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:16,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:16,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:16,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:16,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:16,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:16,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:29:16,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:29:16,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:29:16,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:16,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:16,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:16,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:16,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:29:16,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:16,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:16,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:16,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:16,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:16,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:16,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:29:16,015 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:16,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:16,015 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:16,016 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:16,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:16,017 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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 [2023-11-23 21:29:16,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:16,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:16,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:16,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:16,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:16,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-23 21:29:19,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:20,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:20,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-23 21:29:20,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data/b366e08d4/c57d2622bd6e4c9ba7131e53673e1d6b/FLAG615bed40a [2023-11-23 21:29:20,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/data/b366e08d4/c57d2622bd6e4c9ba7131e53673e1d6b [2023-11-23 21:29:20,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:20,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:20,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:20,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:20,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:20,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:20,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254864ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20, skipping insertion in model container [2023-11-23 21:29:20,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:20,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:20,534 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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-23 21:29:20,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:20,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:20,747 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_71811f30-f636-4a24-ba8b-6a0dc5f9276c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-23 21:29:20,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:20,897 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:20,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20 WrapperNode [2023-11-23 21:29:20,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:20,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:20,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:20,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:20,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:20,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:20,999 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-23 21:29:21,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:21,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:21,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:21,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:21,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:21,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:21,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:21,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:21,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (1/1) ... [2023-11-23 21:29:21,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:21,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:21,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:21,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:29:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:21,319 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:21,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:24,654 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:24,724 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:24,724 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:24,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:24 BoogieIcfgContainer [2023-11-23 21:29:24,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:24,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:24,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:24,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:24,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:20" (1/3) ... [2023-11-23 21:29:24,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab19129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:24, skipping insertion in model container [2023-11-23 21:29:24,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:20" (2/3) ... [2023-11-23 21:29:24,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab19129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:24, skipping insertion in model container [2023-11-23 21:29:24,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:24" (3/3) ... [2023-11-23 21:29:24,734 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-23 21:29:24,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:24,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:24,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:24,811 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;@fa8670d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:24,812 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 49 states have (on average 1.489795918367347) internal successors, (73), 50 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:29:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:29:24,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:24,843 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:24,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:24,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:24,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1126631580, now seen corresponding path program 1 times [2023-11-23 21:29:24,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:24,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209948896] [2023-11-23 21:29:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:24,870 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 21:29:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:24,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:24,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:25,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:29:25,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-23 21:29:25,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:25,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:25,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209948896] [2023-11-23 21:29:25,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209948896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:25,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:25,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:25,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574034359] [2023-11-23 21:29:25,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:25,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:25,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:25,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:25,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:25,658 INFO L87 Difference]: Start difference. First operand has 79 states, 49 states have (on average 1.489795918367347) internal successors, (73), 50 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:29:27,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:27,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:27,831 INFO L93 Difference]: Finished difference Result 155 states and 279 transitions. [2023-11-23 21:29:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:27,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-11-23 21:29:27,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:27,873 INFO L225 Difference]: With dead ends: 155 [2023-11-23 21:29:27,874 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:29:27,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 21:29:27,882 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 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, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:27,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:29:27,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:29:27,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:29:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:29:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2023-11-23 21:29:27,939 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 171 [2023-11-23 21:29:27,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:27,939 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2023-11-23 21:29:27,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:29:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-23 21:29:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:29:27,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:27,945 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:27,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:28,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:28,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:28,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1604097570, now seen corresponding path program 1 times [2023-11-23 21:29:28,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:28,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451764594] [2023-11-23 21:29:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:28,162 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 21:29:28,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:28,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:28,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:28,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:28,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:29:29,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:29,982 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:29,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451764594] [2023-11-23 21:29:29,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451764594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:29,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:29,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:29,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296065163] [2023-11-23 21:29:29,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:29,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:29,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:29,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:29,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:29,990 INFO L87 Difference]: Start difference. First operand 77 states and 122 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:29:32,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:34,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:36,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:36,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:36,166 INFO L93 Difference]: Finished difference Result 278 states and 441 transitions. [2023-11-23 21:29:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:29:36,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2023-11-23 21:29:36,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:36,205 INFO L225 Difference]: With dead ends: 278 [2023-11-23 21:29:36,205 INFO L226 Difference]: Without dead ends: 202 [2023-11-23 21:29:36,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:36,209 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 176 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:36,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 343 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2023-11-23 21:29:36,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2023-11-23 21:29:36,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 149. [2023-11-23 21:29:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:29:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 234 transitions. [2023-11-23 21:29:36,262 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 234 transitions. Word has length 171 [2023-11-23 21:29:36,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:36,264 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 234 transitions. [2023-11-23 21:29:36,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:29:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 234 transitions. [2023-11-23 21:29:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:29:36,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:36,268 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:36,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:36,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:36,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:36,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash 696725020, now seen corresponding path program 1 times [2023-11-23 21:29:36,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:36,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132452403] [2023-11-23 21:29:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:36,483 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 21:29:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:36,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:36,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:37,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:37,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:29:37,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:37,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132452403] [2023-11-23 21:29:37,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132452403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:37,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:37,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:37,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868296969] [2023-11-23 21:29:37,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:37,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:37,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:37,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:37,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:37,242 INFO L87 Difference]: Start difference. First operand 149 states and 234 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:29:39,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:41,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:41,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:41,996 INFO L93 Difference]: Finished difference Result 331 states and 515 transitions. [2023-11-23 21:29:41,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:41,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2023-11-23 21:29:41,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:42,001 INFO L225 Difference]: With dead ends: 331 [2023-11-23 21:29:42,002 INFO L226 Difference]: Without dead ends: 183 [2023-11-23 21:29:42,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:42,005 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 67 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:42,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 359 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-11-23 21:29:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-23 21:29:42,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2023-11-23 21:29:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 108 states have internal predecessors, (139), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-23 21:29:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 279 transitions. [2023-11-23 21:29:42,048 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 279 transitions. Word has length 171 [2023-11-23 21:29:42,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:42,049 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 279 transitions. [2023-11-23 21:29:42,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:29:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 279 transitions. [2023-11-23 21:29:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 21:29:42,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:42,054 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:42,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:42,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:42,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:42,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1771369862, now seen corresponding path program 1 times [2023-11-23 21:29:42,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:42,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447056684] [2023-11-23 21:29:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:42,275 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 21:29:42,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:42,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/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 21:29:42,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71811f30-f636-4a24-ba8b-6a0dc5f9276c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:29:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:43,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 21:29:43,594 INFO L285 TraceCheckSpWp]: Computing forward predicates...