./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:48,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:48,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:46:48,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:48,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:48,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:48,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:48,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:48,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:48,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:48,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:48,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:48,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:48,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:48,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:48,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:48,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:48,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:48,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:48,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:48,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:48,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:48,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:48,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:48,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:48,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:48,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:48,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:48,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:48,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:48,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:48,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:48,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:48,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:48,959 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:48,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:48,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:48,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:48,961 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:48,962 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f [2023-11-19 07:46:49,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:49,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:49,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:49,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:49,305 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:49,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-19 07:46:52,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:52,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:52,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-19 07:46:52,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data/a128391e8/a6f1a6db227f46b894bbcd81ff879d73/FLAG4c90614bc [2023-11-19 07:46:52,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data/a128391e8/a6f1a6db227f46b894bbcd81ff879d73 [2023-11-19 07:46:52,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:52,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:52,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:52,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:52,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:52,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:52" (1/1) ... [2023-11-19 07:46:52,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1008239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:52, skipping insertion in model container [2023-11-19 07:46:52,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:52" (1/1) ... [2023-11-19 07:46:52,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:53,026 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_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-19 07:46:53,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:53,124 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:53,137 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_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-19 07:46:53,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:53,194 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:53,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53 WrapperNode [2023-11-19 07:46:53,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:53,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:53,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:53,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:53,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,275 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-19 07:46:53,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:53,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:53,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:53,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:53,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:53,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:53,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:53,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:53,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:53,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:53,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:53,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:53,564 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:53,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:54,173 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:54,183 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:54,183 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:54,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:54 BoogieIcfgContainer [2023-11-19 07:46:54,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:54,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:54,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:54,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:54,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:52" (1/3) ... [2023-11-19 07:46:54,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8fc9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:54, skipping insertion in model container [2023-11-19 07:46:54,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (2/3) ... [2023-11-19 07:46:54,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8fc9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:54, skipping insertion in model container [2023-11-19 07:46:54,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:54" (3/3) ... [2023-11-19 07:46:54,212 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-19 07:46:54,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:54,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:54,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:54,310 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=PETRI_NET, 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;@5e379721, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:54,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 72 states have (on average 1.5277777777777777) internal successors, (110), 73 states have internal predecessors, (110), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:46:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:46:54,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:54,334 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:54,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:54,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:54,339 INFO L85 PathProgramCache]: Analyzing trace with hash -970152193, now seen corresponding path program 1 times [2023-11-19 07:46:54,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:54,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072339682] [2023-11-19 07:46:54,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:54,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:54,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072339682] [2023-11-19 07:46:54,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:46:54,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84772320] [2023-11-19 07:46:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:54,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:46:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:54,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:46:54,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-19 07:46:54,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:54,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84772320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:54,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:54,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951463865] [2023-11-19 07:46:54,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:54,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:46:54,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:54,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:54,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:54,898 INFO L87 Difference]: Start difference. First operand has 99 states, 72 states have (on average 1.5277777777777777) internal successors, (110), 73 states have internal predecessors, (110), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:46:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:54,936 INFO L93 Difference]: Finished difference Result 191 states and 334 transitions. [2023-11-19 07:46:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:54,939 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2023-11-19 07:46:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:54,948 INFO L225 Difference]: With dead ends: 191 [2023-11-19 07:46:54,948 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 07:46:54,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:54,956 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:54,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 07:46:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-19 07:46:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:46:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 149 transitions. [2023-11-19 07:46:55,011 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 149 transitions. Word has length 165 [2023-11-19 07:46:55,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:55,012 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 149 transitions. [2023-11-19 07:46:55,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:46:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2023-11-19 07:46:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:46:55,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:55,017 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:55,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:46:55,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:55,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1636469061, now seen corresponding path program 1 times [2023-11-19 07:46:55,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:55,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994184208] [2023-11-19 07:46:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:55,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:55,327 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:55,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993004918] [2023-11-19 07:46:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:55,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:55,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:46:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:55,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:46:55,592 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:55,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:55,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994184208] [2023-11-19 07:46:55,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:46:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993004918] [2023-11-19 07:46:55,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993004918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:55,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:55,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:55,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489987439] [2023-11-19 07:46:55,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:55,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:55,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:55,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:55,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:55,602 INFO L87 Difference]: Start difference. First operand 95 states and 149 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:46:55,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:55,652 INFO L93 Difference]: Finished difference Result 187 states and 295 transitions. [2023-11-19 07:46:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:55,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-19 07:46:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:55,662 INFO L225 Difference]: With dead ends: 187 [2023-11-19 07:46:55,662 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 07:46:55,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:55,669 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 31 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:55,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 259 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:55,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 07:46:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-19 07:46:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 69 states have internal predecessors, (100), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:46:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2023-11-19 07:46:55,708 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 165 [2023-11-19 07:46:55,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:55,711 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2023-11-19 07:46:55,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:46:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2023-11-19 07:46:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:46:55,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:55,722 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:55,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:55,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:55,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:55,940 INFO L85 PathProgramCache]: Analyzing trace with hash 969554493, now seen corresponding path program 1 times [2023-11-19 07:46:55,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:55,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537400584] [2023-11-19 07:46:55,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,027 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:56,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991647605] [2023-11-19 07:46:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:46:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:56,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:46:56,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:46:56,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:56,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:56,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537400584] [2023-11-19 07:46:56,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:46:56,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991647605] [2023-11-19 07:46:56,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991647605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:56,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:56,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:56,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658925706] [2023-11-19 07:46:56,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:56,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:56,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:56,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:56,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:56,348 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:46:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:56,532 INFO L93 Difference]: Finished difference Result 278 states and 436 transitions. [2023-11-19 07:46:56,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:56,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-19 07:46:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:56,537 INFO L225 Difference]: With dead ends: 278 [2023-11-19 07:46:56,537 INFO L226 Difference]: Without dead ends: 186 [2023-11-19 07:46:56,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:56,539 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 156 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:56,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 375 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:46:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-19 07:46:56,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 113. [2023-11-19 07:46:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 87 states have internal predecessors, (129), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:46:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 177 transitions. [2023-11-19 07:46:56,558 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 177 transitions. Word has length 165 [2023-11-19 07:46:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:56,559 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 177 transitions. [2023-11-19 07:46:56,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:46:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2023-11-19 07:46:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:46:56,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:56,563 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:56,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:56,784 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:56,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1737064901, now seen corresponding path program 1 times [2023-11-19 07:46:56,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68236199] [2023-11-19 07:46:56,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,829 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:56,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167326940] [2023-11-19 07:46:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:56,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:46:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:57,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:57,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:46:57,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:57,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:57,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68236199] [2023-11-19 07:46:57,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:46:57,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167326940] [2023-11-19 07:46:57,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167326940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:57,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:57,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:57,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27949052] [2023-11-19 07:46:57,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:57,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:57,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:57,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:57,338 INFO L87 Difference]: Start difference. First operand 113 states and 177 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:46:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:57,475 INFO L93 Difference]: Finished difference Result 333 states and 525 transitions. [2023-11-19 07:46:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:57,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-19 07:46:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:57,479 INFO L225 Difference]: With dead ends: 333 [2023-11-19 07:46:57,479 INFO L226 Difference]: Without dead ends: 223 [2023-11-19 07:46:57,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:57,481 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 72 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:57,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 298 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:46:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-19 07:46:57,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 221. [2023-11-19 07:46:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.488235294117647) internal successors, (253), 170 states have internal predecessors, (253), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 07:46:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 349 transitions. [2023-11-19 07:46:57,513 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 349 transitions. Word has length 165 [2023-11-19 07:46:57,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:57,514 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 349 transitions. [2023-11-19 07:46:57,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:46:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 349 transitions. [2023-11-19 07:46:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:46:57,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:57,517 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:57,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:57,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:57,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:57,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:57,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1518210183, now seen corresponding path program 1 times [2023-11-19 07:46:57,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:57,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028737121] [2023-11-19 07:46:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:57,772 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:57,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555026242] [2023-11-19 07:46:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:57,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:57,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:57,774 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:57,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:46:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:57,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:46:57,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 07:46:58,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:46:58,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:58,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028737121] [2023-11-19 07:46:58,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:46:58,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555026242] [2023-11-19 07:46:58,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555026242] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:58,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:46:58,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-19 07:46:58,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565556313] [2023-11-19 07:46:58,938 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:58,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:46:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:58,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:46:58,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:46:58,941 INFO L87 Difference]: Start difference. First operand 221 states and 349 transitions. Second operand has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-11-19 07:47:02,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:02,133 INFO L93 Difference]: Finished difference Result 1157 states and 1772 transitions. [2023-11-19 07:47:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-19 07:47:02,134 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 165 [2023-11-19 07:47:02,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:02,142 INFO L225 Difference]: With dead ends: 1157 [2023-11-19 07:47:02,142 INFO L226 Difference]: Without dead ends: 939 [2023-11-19 07:47:02,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=754, Invalid=2326, Unknown=0, NotChecked=0, Total=3080 [2023-11-19 07:47:02,146 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1300 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:02,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1417 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 07:47:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2023-11-19 07:47:02,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 589. [2023-11-19 07:47:02,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 478 states have (on average 1.4372384937238494) internal successors, (687), 482 states have internal predecessors, (687), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 96 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-19 07:47:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 887 transitions. [2023-11-19 07:47:02,248 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 887 transitions. Word has length 165 [2023-11-19 07:47:02,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:02,249 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 887 transitions. [2023-11-19 07:47:02,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-11-19 07:47:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 887 transitions. [2023-11-19 07:47:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 07:47:02,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:02,253 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:02,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:02,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:02,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:02,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1202591538, now seen corresponding path program 1 times [2023-11-19 07:47:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:02,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650905255] [2023-11-19 07:47:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:02,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:02,520 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:02,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018387979] [2023-11-19 07:47:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:02,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:47:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:02,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:47:02,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:02,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650905255] [2023-11-19 07:47:02,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018387979] [2023-11-19 07:47:02,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018387979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:02,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:02,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:02,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520391646] [2023-11-19 07:47:02,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:02,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:02,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:02,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:02,930 INFO L87 Difference]: Start difference. First operand 589 states and 887 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:03,095 INFO L93 Difference]: Finished difference Result 591 states and 888 transitions. [2023-11-19 07:47:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:03,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 166 [2023-11-19 07:47:03,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:03,100 INFO L225 Difference]: With dead ends: 591 [2023-11-19 07:47:03,100 INFO L226 Difference]: Without dead ends: 312 [2023-11-19 07:47:03,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:03,104 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 63 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:03,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 202 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-19 07:47:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2023-11-19 07:47:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 255 states have (on average 1.388235294117647) internal successors, (354), 257 states have internal predecessors, (354), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 07:47:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 454 transitions. [2023-11-19 07:47:03,160 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 454 transitions. Word has length 166 [2023-11-19 07:47:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:03,161 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 454 transitions. [2023-11-19 07:47:03,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 454 transitions. [2023-11-19 07:47:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 07:47:03,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:03,165 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:03,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:03,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 07:47:03,387 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:03,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1812512080, now seen corresponding path program 1 times [2023-11-19 07:47:03,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688153846] [2023-11-19 07:47:03,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,438 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:03,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641742078] [2023-11-19 07:47:03,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:03,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:03,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:03,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:47:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:03,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:03,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:47:03,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:03,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:03,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688153846] [2023-11-19 07:47:03,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:03,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641742078] [2023-11-19 07:47:03,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641742078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:03,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:03,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:03,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047826144] [2023-11-19 07:47:03,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:03,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:03,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:03,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:03,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:03,904 INFO L87 Difference]: Start difference. First operand 312 states and 454 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:04,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:04,149 INFO L93 Difference]: Finished difference Result 780 states and 1126 transitions. [2023-11-19 07:47:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:04,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 166 [2023-11-19 07:47:04,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:04,154 INFO L225 Difference]: With dead ends: 780 [2023-11-19 07:47:04,154 INFO L226 Difference]: Without dead ends: 471 [2023-11-19 07:47:04,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:04,156 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 155 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:04,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 372 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:47:04,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-19 07:47:04,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 310. [2023-11-19 07:47:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 253 states have (on average 1.3636363636363635) internal successors, (345), 255 states have internal predecessors, (345), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 07:47:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 445 transitions. [2023-11-19 07:47:04,207 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 445 transitions. Word has length 166 [2023-11-19 07:47:04,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:04,208 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 445 transitions. [2023-11-19 07:47:04,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 445 transitions. [2023-11-19 07:47:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 07:47:04,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:04,211 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:04,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:04,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:04,418 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:04,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:04,419 INFO L85 PathProgramCache]: Analyzing trace with hash -574292446, now seen corresponding path program 1 times [2023-11-19 07:47:04,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:04,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623027829] [2023-11-19 07:47:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:04,457 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:04,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565936705] [2023-11-19 07:47:04,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:04,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:04,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:04,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:04,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:47:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:04,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 07:47:04,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 07:47:05,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:11,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:11,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623027829] [2023-11-19 07:47:11,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:11,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565936705] [2023-11-19 07:47:11,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565936705] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:11,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:11,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-19 07:47:11,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629013468] [2023-11-19 07:47:11,936 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:11,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:47:11,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:11,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:47:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=151, Unknown=2, NotChecked=0, Total=210 [2023-11-19 07:47:11,938 INFO L87 Difference]: Start difference. First operand 310 states and 445 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:47:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:13,139 INFO L93 Difference]: Finished difference Result 642 states and 919 transitions. [2023-11-19 07:47:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 07:47:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 167 [2023-11-19 07:47:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:13,143 INFO L225 Difference]: With dead ends: 642 [2023-11-19 07:47:13,143 INFO L226 Difference]: Without dead ends: 335 [2023-11-19 07:47:13,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=311, Invalid=679, Unknown=2, NotChecked=0, Total=992 [2023-11-19 07:47:13,146 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 271 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:13,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 541 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:47:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-11-19 07:47:13,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 292. [2023-11-19 07:47:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 235 states have (on average 1.353191489361702) internal successors, (318), 237 states have internal predecessors, (318), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 07:47:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 418 transitions. [2023-11-19 07:47:13,187 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 418 transitions. Word has length 167 [2023-11-19 07:47:13,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:13,187 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 418 transitions. [2023-11-19 07:47:13,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:47:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 418 transitions. [2023-11-19 07:47:13,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 07:47:13,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:13,191 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:13,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:13,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:13,397 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:13,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:13,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1273098451, now seen corresponding path program 1 times [2023-11-19 07:47:13,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:13,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593886023] [2023-11-19 07:47:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:13,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:13,445 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:13,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774992795] [2023-11-19 07:47:13,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:13,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:13,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:13,447 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:13,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:47:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:13,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:47:13,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 473 proven. 30 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-11-19 07:47:15,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:18,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:18,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593886023] [2023-11-19 07:47:18,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:18,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774992795] [2023-11-19 07:47:18,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774992795] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:18,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:18,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-19 07:47:18,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523946267] [2023-11-19 07:47:18,754 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:18,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:47:18,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:18,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:47:18,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=119, Unknown=5, NotChecked=0, Total=156 [2023-11-19 07:47:18,756 INFO L87 Difference]: Start difference. First operand 292 states and 418 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 07:47:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:21,469 INFO L93 Difference]: Finished difference Result 619 states and 859 transitions. [2023-11-19 07:47:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:47:21,470 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 168 [2023-11-19 07:47:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:21,473 INFO L225 Difference]: With dead ends: 619 [2023-11-19 07:47:21,473 INFO L226 Difference]: Without dead ends: 330 [2023-11-19 07:47:21,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=129, Invalid=372, Unknown=5, NotChecked=0, Total=506 [2023-11-19 07:47:21,476 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 144 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 70 mSolverCounterUnsat, 62 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 62 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:21,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 471 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 249 Invalid, 62 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 07:47:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-11-19 07:47:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 284. [2023-11-19 07:47:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 233 states have (on average 1.3047210300429184) internal successors, (304), 235 states have internal predecessors, (304), 41 states have call successors, (41), 9 states have call predecessors, (41), 9 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-19 07:47:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 386 transitions. [2023-11-19 07:47:21,520 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 386 transitions. Word has length 168 [2023-11-19 07:47:21,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:21,521 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 386 transitions. [2023-11-19 07:47:21,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 07:47:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 386 transitions. [2023-11-19 07:47:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 07:47:21,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:21,525 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:21,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:21,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:21,742 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:21,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash 805031381, now seen corresponding path program 1 times [2023-11-19 07:47:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:21,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824875060] [2023-11-19 07:47:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:21,779 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:21,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989375325] [2023-11-19 07:47:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:21,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:21,781 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:21,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:47:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:21,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:47:21,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:22,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 555 proven. 27 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2023-11-19 07:47:22,183 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:47:22,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824875060] [2023-11-19 07:47:22,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989375325] [2023-11-19 07:47:22,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989375325] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:22,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:22,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 07:47:22,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070862921] [2023-11-19 07:47:22,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:22,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:22,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:22,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:47:22,304 INFO L87 Difference]: Start difference. First operand 284 states and 386 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:22,539 INFO L93 Difference]: Finished difference Result 1302 states and 1760 transitions. [2023-11-19 07:47:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:47:22,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2023-11-19 07:47:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:22,547 INFO L225 Difference]: With dead ends: 1302 [2023-11-19 07:47:22,547 INFO L226 Difference]: Without dead ends: 1021 [2023-11-19 07:47:22,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:47:22,549 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 306 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:22,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 525 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2023-11-19 07:47:22,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 535. [2023-11-19 07:47:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 450 states have (on average 1.2866666666666666) internal successors, (579), 455 states have internal predecessors, (579), 69 states have call successors, (69), 15 states have call predecessors, (69), 15 states have return successors, (69), 64 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 07:47:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 717 transitions. [2023-11-19 07:47:22,621 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 717 transitions. Word has length 168 [2023-11-19 07:47:22,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:22,621 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 717 transitions. [2023-11-19 07:47:22,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 717 transitions. [2023-11-19 07:47:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 07:47:22,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:22,625 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:22,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:22,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:47:22,840 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:22,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:22,841 INFO L85 PathProgramCache]: Analyzing trace with hash 124973011, now seen corresponding path program 1 times [2023-11-19 07:47:22,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:22,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052961244] [2023-11-19 07:47:22,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:22,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:22,868 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:22,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [888130648] [2023-11-19 07:47:22,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:22,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:22,870 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:22,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:47:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:23,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:23,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:23,319 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:23,321 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:47:23,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:23,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:47:23,533 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:23,537 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:23,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:47:23,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:47:23,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated [2023-11-19 07:47:23,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:47:23,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated [2023-11-19 07:47:23,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:47:23,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:23 BoogieIcfgContainer [2023-11-19 07:47:23,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:23,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:23,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:23,701 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:23,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:54" (3/4) ... [2023-11-19 07:47:23,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:23,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:23,706 INFO L158 Benchmark]: Toolchain (without parser) took 30893.69ms. Allocated memory was 140.5MB in the beginning and 222.3MB in the end (delta: 81.8MB). Free memory was 94.0MB in the beginning and 70.1MB in the end (delta: 23.9MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:23,706 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:23,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.58ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 79.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:23,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.85ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 76.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:23,707 INFO L158 Benchmark]: Boogie Preprocessor took 40.95ms. Allocated memory is still 140.5MB. Free memory was 75.7MB in the beginning and 74.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:23,708 INFO L158 Benchmark]: RCFGBuilder took 877.32ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 74.1MB in the beginning and 152.5MB in the end (delta: -78.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:23,708 INFO L158 Benchmark]: TraceAbstraction took 29498.76ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 151.5MB in the beginning and 70.1MB in the end (delta: 81.3MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:23,709 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 222.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:23,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.58ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 79.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.85ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 76.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.95ms. Allocated memory is still 140.5MB. Free memory was 75.7MB in the beginning and 74.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 877.32ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 74.1MB in the beginning and 152.5MB in the end (delta: -78.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * TraceAbstraction took 29498.76ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 151.5MB in the beginning and 70.1MB in the end (delta: 81.3MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 222.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 185, overapproximation of someBinaryArithmeticDOUBLEoperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someUnaryFLOAToperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.5; [L23] unsigned long int var_1_4 = 1; [L24] unsigned long int var_1_5 = 50; [L25] unsigned long int var_1_6 = 4; [L26] float var_1_7 = 15.8; [L27] float var_1_8 = 64.25; [L28] signed long int var_1_9 = -50; [L29] unsigned char var_1_13 = 1; [L30] unsigned long int var_1_14 = 3207304078; [L31] unsigned long int var_1_15 = 50; [L32] unsigned long int var_1_16 = 25; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 0; [L35] unsigned char var_1_19 = 0; [L36] unsigned short int var_1_20 = 1; [L37] unsigned long int var_1_21 = 50; [L38] signed char var_1_22 = -4; [L39] signed char var_1_23 = -10; [L40] unsigned long int var_1_24 = 2; [L41] unsigned long int var_1_26 = 1; [L42] double var_1_33 = 1.5; [L43] double var_1_35 = 50.5; [L44] double var_1_36 = 1.9; [L45] unsigned long int var_1_37 = 10000; [L46] unsigned char var_1_38 = 1; [L47] unsigned char var_1_39 = 0; [L48] double var_1_40 = 15.5; [L49] unsigned long int var_1_42 = 128; [L50] signed char var_1_43 = -1; [L51] signed long int last_1_var_1_9 = -50; VAL [isInitial=0, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L182] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L192] RET updateLastVariables() [L193] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_ulong() [L144] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L144] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L145] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L145] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L146] var_1_6 = __VERIFIER_nondet_ulong() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L148] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L148] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L149] var_1_8 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L150] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L151] var_1_14 = __VERIFIER_nondet_ulong() [L152] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L152] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L153] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L153] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L154] var_1_15 = __VERIFIER_nondet_ulong() [L155] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L155] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L156] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L156] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L157] var_1_16 = __VERIFIER_nondet_ulong() [L158] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L158] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L159] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L159] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L160] var_1_17 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L161] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L162] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L162] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L163] var_1_18 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L164] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L165] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L165] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L166] var_1_20 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L167] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L168] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L168] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L169] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L169] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L170] var_1_23 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L171] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L172] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L172] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L173] var_1_35 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L174] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L175] var_1_36 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L176] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L177] var_1_39 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L178] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L179] CALL assume_abort_if_not(var_1_39 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L179] RET assume_abort_if_not(var_1_39 <= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L193] RET updateVariables() [L194] CALL step() [L55] var_1_24 = var_1_6 VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=1, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L56] COND FALSE !(var_1_5 != var_1_21) [L63] var_1_26 = 16u VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_33=3/2, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L65] COND TRUE \read(var_1_17) [L66] var_1_33 = (var_1_35 - var_1_36) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L68] COND FALSE !(var_1_35 >= var_1_8) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L73] COND TRUE var_1_16 < ((var_1_6 + 16u) * var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L74] COND FALSE !(var_1_17 && (var_1_35 < var_1_36)) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L82] COND TRUE (var_1_35 <= 64.5) && var_1_18 [L83] var_1_40 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L87] COND FALSE !(var_1_20 < var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L90] COND TRUE \read(var_1_17) [L91] var_1_43 = ((((((((-16) < 0 ) ? -(-16) : (-16)))) > (var_1_23)) ? (((((-16) < 0 ) ? -(-16) : (-16)))) : (var_1_23))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L93] signed long int stepLocal_0 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L94] COND FALSE !(stepLocal_0 < last_1_var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L97] var_1_21 = var_1_6 [L98] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L99] COND FALSE !((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L102] unsigned long int stepLocal_4 = 4256310412u - 128u; VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L103] COND FALSE !(var_1_4 >= stepLocal_4) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L106] signed long int stepLocal_3 = var_1_9; [L107] unsigned long int stepLocal_2 = (((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)); VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L108] EXPR var_1_21 ^ 4u VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50] [L108] unsigned long int stepLocal_1 = var_1_21 ^ 4u; [L109] COND FALSE !(var_1_9 <= stepLocal_2) [L118] var_1_7 = var_1_8 VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L120] COND FALSE !(var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) [L127] var_1_13 = var_1_18 VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L129] signed long int stepLocal_5 = (var_1_22 / 2) / var_1_20; VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=8, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L130] COND TRUE stepLocal_5 >= (~ 100) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=8, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L131] COND TRUE \read(var_1_13) [L132] var_1_19 = (var_1_17 && var_1_18) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=8, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L185] EXPR (var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L185] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L185-L186] return (((((((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_22 + var_1_22) < 0 ) ? -(var_1_22 + var_1_22) : (var_1_22 + var_1_22))) + var_1_22))) : 1)) && ((var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_22 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=17, var_1_23=17, var_1_24=0, var_1_26=16, var_1_35=3, var_1_36=4, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=5, var_1_42=128, var_1_43=17, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.3s, OverallIterations: 11, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 62 mSolverCounterUnknown, 2551 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2498 mSDsluCounter, 4609 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2942 mSDsCounter, 580 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2592 IncrementalHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 580 mSolverCounterUnsat, 1667 mSDtfsCounter, 2592 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2250 GetRequests, 2127 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=589occurred in iteration=5, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1161 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 1993 NumberOfCodeBlocks, 1993 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1981 ConstructedInterpolants, 1 QuantifiedInterpolants, 7621 SizeOfPredicates, 29 NumberOfNonLiveVariables, 4000 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 13074/13248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:47:23,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:26,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:26,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:47:26,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:26,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:26,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:26,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:26,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:26,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:26,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:26,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:26,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:26,695 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:26,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:26,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:26,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:26,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:26,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:26,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:26,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:26,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:26,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:26,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:26,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:26,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:26,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:26,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:26,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:26,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:26,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:26,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:26,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:26,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:26,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:26,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:26,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:26,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:26,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:26,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:26,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:26,712 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:26,712 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:26,712 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f [2023-11-19 07:47:27,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:27,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:27,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:27,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:27,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:27,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-19 07:47:30,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:30,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:30,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-19 07:47:30,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data/a22ea9d4a/f294d73b9db14a99978afaa6d4e2f4ae/FLAGf13c7b03e [2023-11-19 07:47:30,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/data/a22ea9d4a/f294d73b9db14a99978afaa6d4e2f4ae [2023-11-19 07:47:31,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:31,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:31,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:31,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:31,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:31,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:30" (1/1) ... [2023-11-19 07:47:31,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba0023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31, skipping insertion in model container [2023-11-19 07:47:31,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:30" (1/1) ... [2023-11-19 07:47:31,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:31,264 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_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-19 07:47:31,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:31,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:31,424 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_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-19 07:47:31,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:31,490 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:31,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31 WrapperNode [2023-11-19 07:47:31,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:31,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:31,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:31,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:31,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,560 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-19 07:47:31,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:31,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:31,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:31,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:31,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:31,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:31,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:31,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:31,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:31,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:31,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:31,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:31,847 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:31,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:32,950 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:32,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:32,964 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:32,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:32 BoogieIcfgContainer [2023-11-19 07:47:32,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:32,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:32,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:32,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:32,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:30" (1/3) ... [2023-11-19 07:47:32,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fe140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:32, skipping insertion in model container [2023-11-19 07:47:32,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (2/3) ... [2023-11-19 07:47:32,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fe140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:32, skipping insertion in model container [2023-11-19 07:47:32,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:32" (3/3) ... [2023-11-19 07:47:32,982 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-19 07:47:33,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:33,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:33,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:33,079 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=PETRI_NET, 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;@14bb272e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:33,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:47:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 07:47:33,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:33,107 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:33,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:33,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2101057650, now seen corresponding path program 1 times [2023-11-19 07:47:33,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:33,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994738239] [2023-11-19 07:47:33,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:33,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:33,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:47:33,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:47:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:33,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:33,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 454 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 07:47:33,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:33,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:33,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994738239] [2023-11-19 07:47:33,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994738239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:33,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:33,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:33,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710192921] [2023-11-19 07:47:33,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:33,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:33,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:33,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:33,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:33,832 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:47:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:33,876 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2023-11-19 07:47:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:33,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-19 07:47:33,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:33,894 INFO L225 Difference]: With dead ends: 161 [2023-11-19 07:47:33,895 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 07:47:33,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:33,904 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:33,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:33,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 07:47:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 07:47:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:47:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-19 07:47:33,967 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 161 [2023-11-19 07:47:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:33,967 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-19 07:47:33,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:47:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-19 07:47:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 07:47:33,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:33,973 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:33,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 07:47:34,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:34,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:34,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1467845302, now seen corresponding path program 1 times [2023-11-19 07:47:34,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:34,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562079067] [2023-11-19 07:47:34,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:34,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:34,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:47:34,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:47:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:34,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:47:34,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:47:35,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:35,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:35,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562079067] [2023-11-19 07:47:35,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562079067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:35,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571839714] [2023-11-19 07:47:35,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:35,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:35,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:35,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:35,333 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:35,721 INFO L93 Difference]: Finished difference Result 234 states and 372 transitions. [2023-11-19 07:47:35,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:35,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-19 07:47:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:35,726 INFO L225 Difference]: With dead ends: 234 [2023-11-19 07:47:35,726 INFO L226 Difference]: Without dead ends: 157 [2023-11-19 07:47:35,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:35,730 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 50 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:35,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 219 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:47:35,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-19 07:47:35,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2023-11-19 07:47:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.4519230769230769) internal successors, (151), 104 states have internal predecessors, (151), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 07:47:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 247 transitions. [2023-11-19 07:47:35,843 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 247 transitions. Word has length 161 [2023-11-19 07:47:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:35,846 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 247 transitions. [2023-11-19 07:47:35,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:47:35,847 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 247 transitions. [2023-11-19 07:47:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 07:47:35,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,858 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:35,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:36,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:36,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:36,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:36,074 INFO L85 PathProgramCache]: Analyzing trace with hash 832977288, now seen corresponding path program 1 times [2023-11-19 07:47:36,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:36,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599010532] [2023-11-19 07:47:36,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:36,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:36,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:36,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:47:36,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4dc5db5-c5d1-4ec0-884d-2f8c0039d692/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:47:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:47:36,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:47:37,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:37,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:37,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599010532] [2023-11-19 07:47:37,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599010532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:37,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:37,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677574727] [2023-11-19 07:47:37,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:37,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:37,322 INFO L87 Difference]: Start difference. First operand 155 states and 247 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)