./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.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_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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_d60e96d7-ec1f-46b6-b144-c12d49225000/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 dbe45afa86e2c578c058b9245371f9cd8d3f7cde9f82c7f7a0cfc33405a8ed29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:31,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:31,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:31,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:31,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:31,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:31,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:31,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:31,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:31,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:31,589 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:31,589 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:31,590 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:31,591 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:31,591 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:31,592 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:31,592 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:31,593 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:31,593 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:31,594 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:31,594 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:31,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:31,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:31,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:31,605 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:31,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:31,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:31,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:31,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:31,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:31,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:31,609 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:31,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:31,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:31,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:31,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:31,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:31,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:31,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:31,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:31,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:31,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:31,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:31,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:31,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:31,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:31,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:31,613 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_d60e96d7-ec1f-46b6-b144-c12d49225000/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe45afa86e2c578c058b9245371f9cd8d3f7cde9f82c7f7a0cfc33405a8ed29 [2023-11-23 21:15:31,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:31,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:31,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:31,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:31,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:31,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i [2023-11-23 21:15:35,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:35,369 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:35,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i [2023-11-23 21:15:35,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data/33c158a6d/dca7b39403c643abb6d1d955f7e48ffc/FLAGe83382711 [2023-11-23 21:15:35,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data/33c158a6d/dca7b39403c643abb6d1d955f7e48ffc [2023-11-23 21:15:35,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:35,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:35,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:35,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:35,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:35,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a950a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35, skipping insertion in model container [2023-11-23 21:15:35,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:35,633 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_d60e96d7-ec1f-46b6-b144-c12d49225000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i[916,929] [2023-11-23 21:15:35,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:35,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:35,790 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_d60e96d7-ec1f-46b6-b144-c12d49225000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i[916,929] [2023-11-23 21:15:35,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:35,866 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:35,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35 WrapperNode [2023-11-23 21:15:35,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:35,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:35,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:35,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:35,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,973 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-11-23 21:15:35,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:35,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:35,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:35,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:35,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:35,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:36,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:36,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:36,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:36,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:36,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:36,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:36,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:36,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:36,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (1/1) ... [2023-11-23 21:15:36,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:36,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:36,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:36,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:36,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:36,307 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:36,309 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:37,069 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:37,594 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:37,595 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:37,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:37 BoogieIcfgContainer [2023-11-23 21:15:37,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:37,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:37,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:37,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:37,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:35" (1/3) ... [2023-11-23 21:15:37,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba53a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:37, skipping insertion in model container [2023-11-23 21:15:37,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:35" (2/3) ... [2023-11-23 21:15:37,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba53a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:37, skipping insertion in model container [2023-11-23 21:15:37,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:37" (3/3) ... [2023-11-23 21:15:37,609 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-61.i [2023-11-23 21:15:37,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:37,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:37,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:37,710 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;@6cb1b66d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:37,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:15:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 21:15:37,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:37,730 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:37,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:37,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:37,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2120021998, now seen corresponding path program 1 times [2023-11-23 21:15:37,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:37,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327447269] [2023-11-23 21:15:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:37,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:37,941 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:37,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578359449] [2023-11-23 21:15:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:37,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:37,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:37,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:37,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:15:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:38,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:38,773 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:38,775 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:38,777 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:38,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:15:38,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:15:38,991 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:15:38,994 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:39,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:39 BoogieIcfgContainer [2023-11-23 21:15:39,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:39,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:39,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:39,133 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:39,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:37" (3/4) ... [2023-11-23 21:15:39,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:15:39,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:39,144 INFO L158 Benchmark]: Toolchain (without parser) took 3734.03ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 96.6MB in the beginning and 94.7MB in the end (delta: 1.9MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-11-23 21:15:39,144 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:39,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.75ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 79.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:15:39,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.24ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 71.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:15:39,146 INFO L158 Benchmark]: Boogie Preprocessor took 104.00ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 68.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:39,147 INFO L158 Benchmark]: RCFGBuilder took 1516.78ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 68.9MB in the beginning and 150.3MB in the end (delta: -81.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-23 21:15:39,148 INFO L158 Benchmark]: TraceAbstraction took 1532.45ms. Allocated memory is still 195.0MB. Free memory was 149.2MB in the beginning and 95.7MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-23 21:15:39,148 INFO L158 Benchmark]: Witness Printer took 9.35ms. Allocated memory is still 195.0MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:39,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.75ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 79.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.24ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 71.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.00ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 68.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1516.78ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 68.9MB in the beginning and 150.3MB in the end (delta: -81.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1532.45ms. Allocated memory is still 195.0MB. Free memory was 149.2MB in the beginning and 95.7MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 9.35ms. Allocated memory is still 195.0MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of shiftRight at line 77, overapproximation of bitwiseOr at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 3511246143; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 5; [L28] unsigned long int var_1_8 = 2220610682; [L29] unsigned long int var_1_9 = 3786407275; [L30] unsigned char var_1_12 = 64; [L31] unsigned long int var_1_13 = 100; [L32] signed long int var_1_14 = 1; [L33] unsigned long int var_1_15 = 3489174775; [L34] signed char var_1_16 = 1; [L35] signed char var_1_17 = -16; [L36] signed short int var_1_18 = 0; [L37] signed short int var_1_19 = 64; [L38] signed short int var_1_20 = 2; [L39] double var_1_21 = 7.5; [L40] double var_1_22 = 99.5; [L41] signed short int var_1_23 = 500; [L42] unsigned short int var_1_24 = 5; [L43] double var_1_25 = 127.5; [L44] unsigned short int var_1_26 = 33797; [L45] unsigned short int var_1_28 = 27913; [L46] signed long int var_1_30 = 2; [L47] unsigned char last_1_var_1_7 = 5; [L48] signed short int last_1_var_1_18 = 0; [L49] unsigned short int last_1_var_1_24 = 5; [L50] signed long int last_1_var_1_30 = 2; [L201] isInitial = 1 [L202] FCALL initially() [L203] int k_loop; [L204] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3511246143, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L204] COND TRUE k_loop < 1 [L205] CALL updateLastVariables() [L191] last_1_var_1_7 = var_1_7 [L192] last_1_var_1_18 = var_1_18 [L193] last_1_var_1_24 = var_1_24 [L194] last_1_var_1_30 = var_1_30 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L149] var_1_2 = __VERIFIER_nondet_ulong() [L150] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L151] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L152] var_1_5 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L154] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L155] var_1_6 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L157] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L158] var_1_8 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=3786407275] [L160] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=3786407275] [L161] var_1_9 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L163] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L164] var_1_12 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L166] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L167] var_1_14 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L169] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L170] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L171] var_1_15 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_15 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_15 >= 3221225470) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L173] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L174] var_1_17 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L176] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L177] var_1_21 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L179] var_1_22 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L181] var_1_25 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=33797, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L183] var_1_26 = __VERIFIER_nondet_ushort() [L184] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L185] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=27913, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L186] var_1_28 = __VERIFIER_nondet_ushort() [L187] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=16383, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=16383, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L188] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=16383, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=32767, var_1_28=16383, var_1_2=4294934529, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294934529, var_1_9=2147483647] [L206] RET updateVariables() [L207] CALL step() [L54] unsigned long int stepLocal_5 = var_1_9; [L55] unsigned long int stepLocal_4 = (((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))); [L56] COND FALSE !(last_1_var_1_30 >= stepLocal_5) [L67] var_1_23 = var_1_12 [L69] signed long int stepLocal_6 = -1; [L70] COND TRUE var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25))) [L71] var_1_24 = (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))) [L77] EXPR last_1_var_1_7 >> var_1_2 [L77] COND FALSE !((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) [L80] var_1_7 = var_1_12 [L82] COND FALSE !(((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) [L85] var_1_1 = (var_1_2 - 8u) [L86] EXPR var_1_12 ^ var_1_7 [L86] signed long int stepLocal_1 = var_1_12 ^ var_1_7; [L87] signed long int stepLocal_0 = var_1_24 % var_1_14; [L88] COND TRUE stepLocal_0 > 16u [L89] COND TRUE var_1_14 < stepLocal_1 [L90] var_1_13 = ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))) [L95] COND TRUE var_1_12 >= var_1_7 [L96] var_1_16 = var_1_17 [L98] unsigned char stepLocal_9 = var_1_6; [L99] unsigned short int stepLocal_8 = var_1_24; [L100] signed char stepLocal_7 = var_1_16; [L101] COND TRUE (last_1_var_1_30 / var_1_26) != stepLocal_8 [L102] COND TRUE var_1_23 <= stepLocal_7 [L103] var_1_30 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) [L116] COND FALSE !(((- var_1_2) + var_1_7) != var_1_24) [L123] var_1_3 = var_1_6 [L125] unsigned long int stepLocal_2 = var_1_2; [L126] COND FALSE !(var_1_8 > stepLocal_2) [L129] COND FALSE !(\read(var_1_3)) [L132] var_1_18 = var_1_20 [L135] unsigned char stepLocal_3 = var_1_12; [L136] COND FALSE !(\read(var_1_3)) [L139] COND TRUE stepLocal_3 < 100 [L140] var_1_19 = ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) [L207] RET step() [L208] CALL, EXPR property() [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR last_1_var_1_7 >> var_1_2 [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR var_1_12 ^ var_1_7 [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197-L198] return ((((((((((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))))) && ((var_1_12 >= var_1_7) ? (var_1_16 == ((signed char) var_1_17)) : 1)) && ((var_1_8 > var_1_2) ? (var_1_18 == ((signed short int) (((((-32) > (var_1_12)) ? (-32) : (var_1_12))) + ((((var_1_20) < (last_1_var_1_18)) ? (var_1_20) : (last_1_var_1_18)))))) : (var_1_3 ? (var_1_18 == ((signed short int) var_1_12)) : (var_1_18 == ((signed short int) var_1_20))))) && (var_1_3 ? (var_1_19 == ((signed short int) var_1_17)) : ((var_1_12 < 100) ? (var_1_19 == ((signed short int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_5 ? (var_1_19 == ((signed short int) var_1_13)) : 1)))) && ((((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) ? (var_1_20 == ((signed short int) var_1_7)) : 1)) && ((last_1_var_1_30 >= var_1_9) ? (((last_1_var_1_30 / var_1_8) > ((((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))))) ? (var_1_6 ? (var_1_23 == ((signed short int) var_1_12)) : (var_1_23 == ((signed short int) last_1_var_1_24))) : (var_1_23 == ((signed short int) var_1_17))) : (var_1_23 == ((signed short int) var_1_12)))) && ((var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25)))) ? (var_1_24 == ((unsigned short int) (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))))) : (((last_1_var_1_24 + (last_1_var_1_18 / 16)) < -1) ? (var_1_24 == ((unsigned short int) (((((((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) < (last_1_var_1_24)) ? (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) : (last_1_var_1_24))) + (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - (last_1_var_1_7 + 2))))) : 1))) && (((last_1_var_1_30 / var_1_26) != var_1_24) ? ((var_1_23 <= var_1_16) ? (var_1_30 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))) : (((var_1_25 != (- 50.7)) && var_1_6) ? (var_1_6 ? (var_1_30 == ((signed long int) var_1_15)) : 1) : (var_1_30 == ((signed long int) var_1_7)))) : (var_1_30 == ((signed long int) var_1_7))) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=4294934529, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=2, var_1_17=2, var_1_18=2, var_1_19=2, var_1_1=4294934521, var_1_20=2, var_1_23=0, var_1_24=32767, var_1_26=32767, var_1_28=16383, var_1_2=4294934529, var_1_30=16383, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=4294934529, var_1_9=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=4294934529, var_1_14=-2147483648, var_1_15=3221225470, var_1_16=2, var_1_17=2, var_1_18=2, var_1_19=2, var_1_1=4294934521, var_1_20=2, var_1_23=0, var_1_24=32767, var_1_26=32767, var_1_28=16383, var_1_2=4294934529, var_1_30=16383, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=4294934529, var_1_9=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 21:15:39,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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_d60e96d7-ec1f-46b6-b144-c12d49225000/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 dbe45afa86e2c578c058b9245371f9cd8d3f7cde9f82c7f7a0cfc33405a8ed29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:41,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:41,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:15:41,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:41,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:42,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:42,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:42,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:42,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:42,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:42,044 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:42,045 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:42,045 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:42,046 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:42,046 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:42,047 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:42,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:42,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:42,049 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:42,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:42,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:42,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:42,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:42,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:42,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:15:42,053 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:15:42,053 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:15:42,054 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:42,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:42,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:42,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:42,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:15:42,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:42,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:42,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:42,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:42,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:42,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:42,058 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:15:42,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:42,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:42,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:42,059 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:42,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:42,059 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_d60e96d7-ec1f-46b6-b144-c12d49225000/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe45afa86e2c578c058b9245371f9cd8d3f7cde9f82c7f7a0cfc33405a8ed29 [2023-11-23 21:15:42,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:42,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:42,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:42,543 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:42,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:42,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i [2023-11-23 21:15:45,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:46,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:46,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i [2023-11-23 21:15:46,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data/419beb529/3a52eb39b7c14420b462aba717a25625/FLAG8a04bd661 [2023-11-23 21:15:46,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/data/419beb529/3a52eb39b7c14420b462aba717a25625 [2023-11-23 21:15:46,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:46,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:46,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:46,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:46,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:46,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630fa5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46, skipping insertion in model container [2023-11-23 21:15:46,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:46,540 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_d60e96d7-ec1f-46b6-b144-c12d49225000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i[916,929] [2023-11-23 21:15:46,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:46,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:46,741 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_d60e96d7-ec1f-46b6-b144-c12d49225000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i[916,929] [2023-11-23 21:15:46,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:46,851 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:46,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46 WrapperNode [2023-11-23 21:15:46,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:46,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:46,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:46,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:46,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,927 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-23 21:15:46,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:46,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:46,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:46,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:46,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:46,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:47,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:47,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:47,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:47,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:47,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (1/1) ... [2023-11-23 21:15:47,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:47,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:47,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:47,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:47,242 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:47,248 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:48,020 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:48,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:48,097 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:48,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:48 BoogieIcfgContainer [2023-11-23 21:15:48,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:48,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:48,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:48,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:48,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:46" (1/3) ... [2023-11-23 21:15:48,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351bdbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:48, skipping insertion in model container [2023-11-23 21:15:48,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:46" (2/3) ... [2023-11-23 21:15:48,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351bdbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:48, skipping insertion in model container [2023-11-23 21:15:48,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:48" (3/3) ... [2023-11-23 21:15:48,111 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-61.i [2023-11-23 21:15:48,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:48,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:48,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:48,197 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;@5275c94e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:48,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:15:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:15:48,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:48,220 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:48,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:48,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:48,227 INFO L85 PathProgramCache]: Analyzing trace with hash 269210861, now seen corresponding path program 1 times [2023-11-23 21:15:48,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:48,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329542058] [2023-11-23 21:15:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:48,247 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 21:15:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:48,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:48,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:48,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:48,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-11-23 21:15:48,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:48,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:48,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329542058] [2023-11-23 21:15:48,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329542058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:48,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:48,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:48,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548006581] [2023-11-23 21:15:48,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:48,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:48,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:48,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:48,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:48,968 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:15:49,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:49,328 INFO L93 Difference]: Finished difference Result 157 states and 281 transitions. [2023-11-23 21:15:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:49,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-11-23 21:15:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:49,348 INFO L225 Difference]: With dead ends: 157 [2023-11-23 21:15:49,349 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:15:49,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 21:15:49,362 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:49,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:49,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:15:49,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:15:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 49 states have internal predecessors, (71), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:15:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 123 transitions. [2023-11-23 21:15:49,454 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 123 transitions. Word has length 164 [2023-11-23 21:15:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:49,455 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 123 transitions. [2023-11-23 21:15:49,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:15:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-11-23 21:15:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:15:49,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:49,470 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:49,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:49,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:49,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:49,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:49,686 INFO L85 PathProgramCache]: Analyzing trace with hash -225792091, now seen corresponding path program 1 times [2023-11-23 21:15:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:49,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217990510] [2023-11-23 21:15:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:49,688 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 21:15:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:49,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:49,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:50,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:15:50,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 21:15:51,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-23 21:15:51,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:51,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217990510] [2023-11-23 21:15:51,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217990510] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:51,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1274382914] [2023-11-23 21:15:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:51,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:15:51,505 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:15:51,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:15:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:52,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:15:52,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 21:15:53,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-23 21:15:53,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1274382914] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:53,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013238586] [2023-11-23 21:15:53,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:53,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:53,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:53,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:15:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:53,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:15:53,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 21:15:54,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-23 21:15:54,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013238586] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:54,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:15:54,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-23 21:15:54,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548155577] [2023-11-23 21:15:54,653 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:54,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:15:54,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:54,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:15:54,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:15:54,657 INFO L87 Difference]: Start difference. First operand 77 states and 123 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-23 21:15:56,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:56,077 INFO L93 Difference]: Finished difference Result 243 states and 377 transitions. [2023-11-23 21:15:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 21:15:56,079 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 164 [2023-11-23 21:15:56,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:56,083 INFO L225 Difference]: With dead ends: 243 [2023-11-23 21:15:56,084 INFO L226 Difference]: Without dead ends: 167 [2023-11-23 21:15:56,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 970 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:15:56,091 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 319 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:56,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 271 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 21:15:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-23 21:15:56,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 86. [2023-11-23 21:15:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:15:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 130 transitions. [2023-11-23 21:15:56,144 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 130 transitions. Word has length 164 [2023-11-23 21:15:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:56,148 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 130 transitions. [2023-11-23 21:15:56,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-23 21:15:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2023-11-23 21:15:56,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:15:56,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:56,156 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:56,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:56,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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)] Ended with exit code 0 [2023-11-23 21:15:56,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:56,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:56,766 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:56,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1589445806, now seen corresponding path program 1 times [2023-11-23 21:15:56,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:56,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789089077] [2023-11-23 21:15:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:56,768 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 21:15:56,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:56,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/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 21:15:56,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:15:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:57,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:15:57,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 584 proven. 105 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-11-23 21:15:59,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:59,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:59,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789089077] [2023-11-23 21:15:59,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789089077] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:15:59,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [111879950] [2023-11-23 21:15:59,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:59,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:59,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:15:59,855 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:15:59,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:16:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:01,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:16:01,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-23 21:16:05,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:16:09,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [111879950] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:16:09,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529904124] [2023-11-23 21:16:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:09,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:16:09,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:09,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:16:09,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d60e96d7-ec1f-46b6-b144-c12d49225000/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:16:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:09,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:16:09,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 542 proven. 123 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-23 21:16:14,319 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:16:15,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529904124] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:16:15,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:16:15,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 12] total 27 [2023-11-23 21:16:15,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522013750] [2023-11-23 21:16:15,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:16:15,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-23 21:16:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:15,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-23 21:16:15,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1123, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 21:16:15,738 INFO L87 Difference]: Start difference. First operand 86 states and 130 transitions. Second operand has 28 states, 28 states have (on average 4.5) internal successors, (126), 27 states have internal predecessors, (126), 8 states have call successors, (78), 8 states have call predecessors, (78), 12 states have return successors, (78), 7 states have call predecessors, (78), 8 states have call successors, (78) [2023-11-23 21:16:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:26,527 INFO L93 Difference]: Finished difference Result 468 states and 686 transitions. [2023-11-23 21:16:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-23 21:16:26,528 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.5) internal successors, (126), 27 states have internal predecessors, (126), 8 states have call successors, (78), 8 states have call predecessors, (78), 12 states have return successors, (78), 7 states have call predecessors, (78), 8 states have call successors, (78) Word has length 165 [2023-11-23 21:16:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:26,534 INFO L225 Difference]: With dead ends: 468 [2023-11-23 21:16:26,534 INFO L226 Difference]: Without dead ends: 383 [2023-11-23 21:16:26,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=769, Invalid=3653, Unknown=0, NotChecked=0, Total=4422 [2023-11-23 21:16:26,540 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 570 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:26,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1288 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 21:16:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-11-23 21:16:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 282. [2023-11-23 21:16:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 191 states have (on average 1.3350785340314135) internal successors, (255), 191 states have internal predecessors, (255), 78 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78)