./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.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_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 178c8e25fe6500dd13d8dde78f808ba54650ed4da41e205cb23b94c6857c8efc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:07,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:07,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:00:07,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:07,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:07,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:07,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:07,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:07,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:07,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:07,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:07,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:07,668 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:07,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:07,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:07,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:07,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:07,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:07,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:07,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:07,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:07,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:07,675 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:07,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:07,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:07,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:07,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:07,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:07,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:07,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:07,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:07,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:07,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:07,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:07,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:07,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:07,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:07,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:07,685 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:07,685 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_2f1c721c-1443-4807-a6a4-83c379cc95ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 178c8e25fe6500dd13d8dde78f808ba54650ed4da41e205cb23b94c6857c8efc [2023-11-19 08:00:07,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:08,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:08,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:08,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:08,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:08,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i [2023-11-19 08:00:11,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:11,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:11,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i [2023-11-19 08:00:11,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data/a2927baf9/6ed68dbdcbbf4e56ad1ee46edadc99c4/FLAG37e36324f [2023-11-19 08:00:11,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data/a2927baf9/6ed68dbdcbbf4e56ad1ee46edadc99c4 [2023-11-19 08:00:11,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:11,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:11,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:11,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:11,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:11,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1623de66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11, skipping insertion in model container [2023-11-19 08:00:11,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:11,839 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_2f1c721c-1443-4807-a6a4-83c379cc95ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i[918,931] [2023-11-19 08:00:11,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:11,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:11,954 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_2f1c721c-1443-4807-a6a4-83c379cc95ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i[918,931] [2023-11-19 08:00:12,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:12,025 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:12,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12 WrapperNode [2023-11-19 08:00:12,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:12,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:12,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:12,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:12,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,122 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-11-19 08:00:12,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:12,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:12,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:12,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:12,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:12,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:12,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:12,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:12,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ... [2023-11-19 08:00:12,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:12,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:12,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:12,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:12,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:12,462 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:12,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:13,139 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:13,162 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:13,162 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:13,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:13 BoogieIcfgContainer [2023-11-19 08:00:13,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:13,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:13,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:13,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:13,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:11" (1/3) ... [2023-11-19 08:00:13,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3fce82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:13, skipping insertion in model container [2023-11-19 08:00:13,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (2/3) ... [2023-11-19 08:00:13,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3fce82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:13, skipping insertion in model container [2023-11-19 08:00:13,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:13" (3/3) ... [2023-11-19 08:00:13,190 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i [2023-11-19 08:00:13,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:13,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:13,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:13,292 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;@572ef43d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:13,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 61 states have internal predecessors, (89), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-19 08:00:13,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:13,327 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:13,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:13,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:13,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1212986852, now seen corresponding path program 1 times [2023-11-19 08:00:13,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:13,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047302663] [2023-11-19 08:00:13,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:13,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:13,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047302663] [2023-11-19 08:00:13,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:00:13,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812371651] [2023-11-19 08:00:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:13,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:13,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:13,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:13,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:14,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:00:14,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-11-19 08:00:14,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:14,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812371651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:14,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:14,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:14,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129429535] [2023-11-19 08:00:14,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:14,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:14,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:14,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:14,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:14,193 INFO L87 Difference]: Start difference. First operand has 94 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 61 states have internal predecessors, (89), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:00:14,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:14,244 INFO L93 Difference]: Finished difference Result 181 states and 327 transitions. [2023-11-19 08:00:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:14,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2023-11-19 08:00:14,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:14,259 INFO L225 Difference]: With dead ends: 181 [2023-11-19 08:00:14,259 INFO L226 Difference]: Without dead ends: 90 [2023-11-19 08:00:14,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 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 08:00:14,270 INFO L413 NwaCegarLoop]: 143 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, 143 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 08:00:14,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-19 08:00:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-19 08:00:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 143 transitions. [2023-11-19 08:00:14,344 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 143 transitions. Word has length 199 [2023-11-19 08:00:14,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:14,345 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 143 transitions. [2023-11-19 08:00:14,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:00:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2023-11-19 08:00:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-19 08:00:14,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:14,354 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:14,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:14,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:00:14,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:14,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:14,576 INFO L85 PathProgramCache]: Analyzing trace with hash -724080158, now seen corresponding path program 1 times [2023-11-19 08:00:14,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:14,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849536051] [2023-11-19 08:00:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:14,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:14,818 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:14,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088708975] [2023-11-19 08:00:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:14,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:14,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:14,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:00:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:15,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:00:15,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:15,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:15,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:15,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849536051] [2023-11-19 08:00:15,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:15,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088708975] [2023-11-19 08:00:15,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088708975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:15,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:15,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:15,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128787581] [2023-11-19 08:00:15,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:15,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:15,124 INFO L87 Difference]: Start difference. First operand 90 states and 143 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:15,203 INFO L93 Difference]: Finished difference Result 177 states and 283 transitions. [2023-11-19 08:00:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:15,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-19 08:00:15,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:15,210 INFO L225 Difference]: With dead ends: 177 [2023-11-19 08:00:15,210 INFO L226 Difference]: Without dead ends: 90 [2023-11-19 08:00:15,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 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 08:00:15,214 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:15,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 263 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-19 08:00:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-19 08:00:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 57 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 142 transitions. [2023-11-19 08:00:15,237 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 142 transitions. Word has length 199 [2023-11-19 08:00:15,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:15,240 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 142 transitions. [2023-11-19 08:00:15,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-19 08:00:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:00:15,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:15,247 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:15,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:15,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:15,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash 49269969, now seen corresponding path program 1 times [2023-11-19 08:00:15,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:15,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989352111] [2023-11-19 08:00:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:15,610 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:15,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775038952] [2023-11-19 08:00:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:15,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:15,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:15,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:00:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:15,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:15,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:15,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:15,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:15,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989352111] [2023-11-19 08:00:15,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:15,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775038952] [2023-11-19 08:00:15,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775038952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:15,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:15,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:15,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230196863] [2023-11-19 08:00:15,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:15,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:15,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:15,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:15,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:15,955 INFO L87 Difference]: Start difference. First operand 90 states and 142 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:16,189 INFO L93 Difference]: Finished difference Result 222 states and 349 transitions. [2023-11-19 08:00:16,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:16,192 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:00:16,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:16,200 INFO L225 Difference]: With dead ends: 222 [2023-11-19 08:00:16,203 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 08:00:16,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:16,211 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 66 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:16,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 325 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:16,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 08:00:16,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 132. [2023-11-19 08:00:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 85 states have (on average 1.4) internal successors, (119), 86 states have internal predecessors, (119), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 08:00:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 207 transitions. [2023-11-19 08:00:16,271 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 207 transitions. Word has length 200 [2023-11-19 08:00:16,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:16,274 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 207 transitions. [2023-11-19 08:00:16,274 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2023-11-19 08:00:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:00:16,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:16,282 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:16,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:16,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:16,497 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:16,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:16,498 INFO L85 PathProgramCache]: Analyzing trace with hash 307435407, now seen corresponding path program 1 times [2023-11-19 08:00:16,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:16,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114891008] [2023-11-19 08:00:16,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:16,575 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:16,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800361198] [2023-11-19 08:00:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:16,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:16,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:16,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:16,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:00:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:16,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:16,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:16,882 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:16,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:16,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114891008] [2023-11-19 08:00:16,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:16,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800361198] [2023-11-19 08:00:16,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800361198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:16,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:16,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:16,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122797805] [2023-11-19 08:00:16,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:16,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:16,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:16,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:16,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:16,892 INFO L87 Difference]: Start difference. First operand 132 states and 207 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:17,229 INFO L93 Difference]: Finished difference Result 467 states and 726 transitions. [2023-11-19 08:00:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:00:17,230 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:00:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:17,238 INFO L225 Difference]: With dead ends: 467 [2023-11-19 08:00:17,238 INFO L226 Difference]: Without dead ends: 337 [2023-11-19 08:00:17,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 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 08:00:17,244 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 256 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:17,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 416 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-19 08:00:17,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 153. [2023-11-19 08:00:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 107 states have internal predecessors, (153), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 08:00:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 241 transitions. [2023-11-19 08:00:17,297 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 241 transitions. Word has length 200 [2023-11-19 08:00:17,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:17,298 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 241 transitions. [2023-11-19 08:00:17,298 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2023-11-19 08:00:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:00:17,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:17,302 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:17,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-19 08:00:17,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-19 08:00:17,503 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:17,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:17,504 INFO L85 PathProgramCache]: Analyzing trace with hash -537536045, now seen corresponding path program 1 times [2023-11-19 08:00:17,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:17,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056779803] [2023-11-19 08:00:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:17,575 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:17,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832082087] [2023-11-19 08:00:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:17,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:17,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:17,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:17,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:00:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:17,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:00:17,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:18,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:18,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:18,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056779803] [2023-11-19 08:00:18,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:18,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832082087] [2023-11-19 08:00:18,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832082087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:18,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:18,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:18,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006204065] [2023-11-19 08:00:18,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:18,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:18,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:18,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:18,156 INFO L87 Difference]: Start difference. First operand 153 states and 241 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:18,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:18,210 INFO L93 Difference]: Finished difference Result 453 states and 717 transitions. [2023-11-19 08:00:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:18,210 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:00:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:18,216 INFO L225 Difference]: With dead ends: 453 [2023-11-19 08:00:18,217 INFO L226 Difference]: Without dead ends: 303 [2023-11-19 08:00:18,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 08:00:18,218 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 44 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:18,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 301 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-19 08:00:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2023-11-19 08:00:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 208 states have (on average 1.4423076923076923) internal successors, (300), 210 states have internal predecessors, (300), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-19 08:00:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 476 transitions. [2023-11-19 08:00:18,281 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 476 transitions. Word has length 200 [2023-11-19 08:00:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:18,282 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 476 transitions. [2023-11-19 08:00:18,282 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 476 transitions. [2023-11-19 08:00:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:18,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:18,286 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:18,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-19 08:00:18,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:18,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:18,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:18,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1625582739, now seen corresponding path program 1 times [2023-11-19 08:00:18,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:18,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196521939] [2023-11-19 08:00:18,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:18,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:18,568 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:18,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1472244933] [2023-11-19 08:00:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:18,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:18,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:18,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:00:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:18,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:18,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:18,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:18,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:18,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196521939] [2023-11-19 08:00:18,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:18,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472244933] [2023-11-19 08:00:18,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472244933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:18,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:18,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:18,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226570740] [2023-11-19 08:00:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:18,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:18,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:18,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:18,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:00:18,813 INFO L87 Difference]: Start difference. First operand 301 states and 476 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:19,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:19,432 INFO L93 Difference]: Finished difference Result 775 states and 1232 transitions. [2023-11-19 08:00:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:19,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 08:00:19,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:19,440 INFO L225 Difference]: With dead ends: 775 [2023-11-19 08:00:19,441 INFO L226 Difference]: Without dead ends: 625 [2023-11-19 08:00:19,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:00:19,443 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 211 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:19,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 438 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 08:00:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-11-19 08:00:19,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 307. [2023-11-19 08:00:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 214 states have (on average 1.4485981308411215) internal successors, (310), 216 states have internal predecessors, (310), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-19 08:00:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 486 transitions. [2023-11-19 08:00:19,525 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 486 transitions. Word has length 201 [2023-11-19 08:00:19,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:19,526 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 486 transitions. [2023-11-19 08:00:19,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 486 transitions. [2023-11-19 08:00:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:19,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:19,531 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:19,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:19,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:19,757 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:19,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:19,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1952653396, now seen corresponding path program 1 times [2023-11-19 08:00:19,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:19,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470266711] [2023-11-19 08:00:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:19,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:19,816 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:19,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028861524] [2023-11-19 08:00:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:19,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:19,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:19,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:19,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:00:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:20,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:00:20,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-11-19 08:00:20,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 08:00:21,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:21,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470266711] [2023-11-19 08:00:21,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:21,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028861524] [2023-11-19 08:00:21,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028861524] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:21,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:21,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-19 08:00:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457991533] [2023-11-19 08:00:21,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:21,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 08:00:21,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:21,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 08:00:21,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:00:21,417 INFO L87 Difference]: Start difference. First operand 307 states and 486 transitions. Second operand has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-11-19 08:00:22,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:22,970 INFO L93 Difference]: Finished difference Result 1209 states and 1874 transitions. [2023-11-19 08:00:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-19 08:00:22,973 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 201 [2023-11-19 08:00:22,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:22,985 INFO L225 Difference]: With dead ends: 1209 [2023-11-19 08:00:22,985 INFO L226 Difference]: Without dead ends: 905 [2023-11-19 08:00:22,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=343, Invalid=649, Unknown=0, NotChecked=0, Total=992 [2023-11-19 08:00:22,989 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 632 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:22,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 912 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 08:00:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2023-11-19 08:00:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 377. [2023-11-19 08:00:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 266 states have (on average 1.4323308270676691) internal successors, (381), 270 states have internal predecessors, (381), 102 states have call successors, (102), 8 states have call predecessors, (102), 8 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-19 08:00:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 585 transitions. [2023-11-19 08:00:23,096 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 585 transitions. Word has length 201 [2023-11-19 08:00:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:23,097 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 585 transitions. [2023-11-19 08:00:23,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-11-19 08:00:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 585 transitions. [2023-11-19 08:00:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:23,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:23,103 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:23,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:23,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:23,326 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:23,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1949286890, now seen corresponding path program 1 times [2023-11-19 08:00:23,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:23,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737119885] [2023-11-19 08:00:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:23,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:23,378 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:23,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705129298] [2023-11-19 08:00:23,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:23,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:23,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:23,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:23,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:00:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:23,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:00:23,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:23,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:23,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737119885] [2023-11-19 08:00:23,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705129298] [2023-11-19 08:00:23,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705129298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:23,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:23,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:23,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345844320] [2023-11-19 08:00:23,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:23,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:23,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:23,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:23,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:00:23,666 INFO L87 Difference]: Start difference. First operand 377 states and 585 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:24,214 INFO L93 Difference]: Finished difference Result 1258 states and 1921 transitions. [2023-11-19 08:00:24,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:24,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 08:00:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:24,229 INFO L225 Difference]: With dead ends: 1258 [2023-11-19 08:00:24,229 INFO L226 Difference]: Without dead ends: 884 [2023-11-19 08:00:24,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:24,234 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 343 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:24,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 342 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:00:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2023-11-19 08:00:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 343. [2023-11-19 08:00:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 251 states have (on average 1.4103585657370519) internal successors, (354), 253 states have internal predecessors, (354), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-19 08:00:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 518 transitions. [2023-11-19 08:00:24,345 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 518 transitions. Word has length 201 [2023-11-19 08:00:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:24,346 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 518 transitions. [2023-11-19 08:00:24,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 518 transitions. [2023-11-19 08:00:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:24,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:24,375 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:24,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:24,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:24,591 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:24,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash -357909461, now seen corresponding path program 1 times [2023-11-19 08:00:24,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:24,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241372400] [2023-11-19 08:00:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:24,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:24,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:24,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058929599] [2023-11-19 08:00:24,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:24,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:24,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:24,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:00:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:24,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:24,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:24,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:24,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:24,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241372400] [2023-11-19 08:00:24,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:24,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058929599] [2023-11-19 08:00:24,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058929599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:24,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:24,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:24,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746261706] [2023-11-19 08:00:24,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:24,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:24,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:24,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:24,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:00:24,918 INFO L87 Difference]: Start difference. First operand 343 states and 518 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:25,251 INFO L93 Difference]: Finished difference Result 786 states and 1185 transitions. [2023-11-19 08:00:25,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:25,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 08:00:25,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:25,256 INFO L225 Difference]: With dead ends: 786 [2023-11-19 08:00:25,256 INFO L226 Difference]: Without dead ends: 446 [2023-11-19 08:00:25,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:00:25,261 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 135 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:25,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 524 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-11-19 08:00:25,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 348. [2023-11-19 08:00:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 256 states have (on average 1.4140625) internal successors, (362), 258 states have internal predecessors, (362), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-19 08:00:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 526 transitions. [2023-11-19 08:00:25,343 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 526 transitions. Word has length 201 [2023-11-19 08:00:25,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:25,344 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 526 transitions. [2023-11-19 08:00:25,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 526 transitions. [2023-11-19 08:00:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:25,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:25,348 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:25,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:25,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:25,572 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:25,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:25,573 INFO L85 PathProgramCache]: Analyzing trace with hash -944715475, now seen corresponding path program 1 times [2023-11-19 08:00:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:25,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001883575] [2023-11-19 08:00:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:25,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:25,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637006189] [2023-11-19 08:00:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:25,623 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:25,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 08:00:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:25,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:25,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:25,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:25,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:25,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001883575] [2023-11-19 08:00:25,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:25,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637006189] [2023-11-19 08:00:25,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637006189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:25,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:25,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:25,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461109433] [2023-11-19 08:00:25,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:25,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:25,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:25,929 INFO L87 Difference]: Start difference. First operand 348 states and 526 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:26,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:26,470 INFO L93 Difference]: Finished difference Result 997 states and 1489 transitions. [2023-11-19 08:00:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 08:00:26,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:26,478 INFO L225 Difference]: With dead ends: 997 [2023-11-19 08:00:26,479 INFO L226 Difference]: Without dead ends: 652 [2023-11-19 08:00:26,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 198 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 08:00:26,482 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 202 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:26,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 330 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:00:26,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2023-11-19 08:00:26,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 385. [2023-11-19 08:00:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 293 states have (on average 1.4129692832764504) internal successors, (414), 295 states have internal predecessors, (414), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-19 08:00:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 578 transitions. [2023-11-19 08:00:26,584 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 578 transitions. Word has length 201 [2023-11-19 08:00:26,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:26,586 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 578 transitions. [2023-11-19 08:00:26,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 578 transitions. [2023-11-19 08:00:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:26,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:26,590 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:26,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:26,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 08:00:26,809 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:26,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:26,810 INFO L85 PathProgramCache]: Analyzing trace with hash -264657105, now seen corresponding path program 1 times [2023-11-19 08:00:26,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:26,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173254363] [2023-11-19 08:00:26,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:26,855 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:26,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544572274] [2023-11-19 08:00:26,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:26,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:26,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:26,858 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:26,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 08:00:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:27,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:00:27,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 940 proven. 51 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2023-11-19 08:00:27,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 39 proven. 51 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 08:00:27,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:27,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173254363] [2023-11-19 08:00:27,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:27,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544572274] [2023-11-19 08:00:27,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544572274] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:27,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:27,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 08:00:27,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094770499] [2023-11-19 08:00:27,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:27,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:00:27,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:27,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:00:27,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:00:27,645 INFO L87 Difference]: Start difference. First operand 385 states and 578 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-19 08:00:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:28,078 INFO L93 Difference]: Finished difference Result 758 states and 1126 transitions. [2023-11-19 08:00:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 08:00:28,079 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 201 [2023-11-19 08:00:28,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:28,085 INFO L225 Difference]: With dead ends: 758 [2023-11-19 08:00:28,085 INFO L226 Difference]: Without dead ends: 376 [2023-11-19 08:00:28,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:00:28,088 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 210 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:28,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 278 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:00:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-11-19 08:00:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 364. [2023-11-19 08:00:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 270 states have (on average 1.3666666666666667) internal successors, (369), 272 states have internal predecessors, (369), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-19 08:00:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 533 transitions. [2023-11-19 08:00:28,172 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 533 transitions. Word has length 201 [2023-11-19 08:00:28,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:28,173 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 533 transitions. [2023-11-19 08:00:28,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-19 08:00:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 533 transitions. [2023-11-19 08:00:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:28,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:28,178 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:28,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:28,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 08:00:28,392 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:28,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:28,392 INFO L85 PathProgramCache]: Analyzing trace with hash -4921748, now seen corresponding path program 1 times [2023-11-19 08:00:28,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803616950] [2023-11-19 08:00:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:28,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:28,438 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:28,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431023957] [2023-11-19 08:00:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:28,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:28,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:28,440 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:28,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 08:00:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:28,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 08:00:28,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1048 proven. 69 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2023-11-19 08:00:29,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 08:00:31,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:31,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803616950] [2023-11-19 08:00:31,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:31,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431023957] [2023-11-19 08:00:31,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431023957] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:31,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:31,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2023-11-19 08:00:31,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287538714] [2023-11-19 08:00:31,208 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:31,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-19 08:00:31,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:31,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 08:00:31,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-11-19 08:00:31,211 INFO L87 Difference]: Start difference. First operand 364 states and 533 transitions. Second operand has 20 states, 20 states have (on average 5.05) internal successors, (101), 20 states have internal predecessors, (101), 6 states have call successors, (62), 4 states have call predecessors, (62), 6 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-19 08:00:36,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:36,601 INFO L93 Difference]: Finished difference Result 1454 states and 2078 transitions. [2023-11-19 08:00:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-11-19 08:00:36,602 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.05) internal successors, (101), 20 states have internal predecessors, (101), 6 states have call successors, (62), 4 states have call predecessors, (62), 6 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 201 [2023-11-19 08:00:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:36,612 INFO L225 Difference]: With dead ends: 1454 [2023-11-19 08:00:36,613 INFO L226 Difference]: Without dead ends: 1093 [2023-11-19 08:00:36,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2582 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2216, Invalid=4924, Unknown=0, NotChecked=0, Total=7140 [2023-11-19 08:00:36,619 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 1212 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:36,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 898 Invalid, 2353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-19 08:00:36,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2023-11-19 08:00:36,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 509. [2023-11-19 08:00:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 377 states have (on average 1.3342175066312998) internal successors, (503), 379 states have internal predecessors, (503), 113 states have call successors, (113), 18 states have call predecessors, (113), 18 states have return successors, (113), 111 states have call predecessors, (113), 113 states have call successors, (113) [2023-11-19 08:00:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 729 transitions. [2023-11-19 08:00:36,765 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 729 transitions. Word has length 201 [2023-11-19 08:00:36,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:36,766 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 729 transitions. [2023-11-19 08:00:36,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.05) internal successors, (101), 20 states have internal predecessors, (101), 6 states have call successors, (62), 4 states have call predecessors, (62), 6 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-19 08:00:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 729 transitions. [2023-11-19 08:00:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:36,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:36,770 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:36,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:36,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 08:00:36,984 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:36,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:36,985 INFO L85 PathProgramCache]: Analyzing trace with hash -397948758, now seen corresponding path program 1 times [2023-11-19 08:00:36,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:36,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708208475] [2023-11-19 08:00:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:36,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:37,031 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:37,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902413677] [2023-11-19 08:00:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:37,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:37,033 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:37,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 08:00:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:37,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:00:37,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 954 proven. 48 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-19 08:00:37,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 08:00:38,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:38,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708208475] [2023-11-19 08:00:38,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:38,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902413677] [2023-11-19 08:00:38,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902413677] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:38,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:38,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-11-19 08:00:38,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462443695] [2023-11-19 08:00:38,088 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:38,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 08:00:38,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:38,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 08:00:38,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:00:38,093 INFO L87 Difference]: Start difference. First operand 509 states and 729 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-11-19 08:00:39,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:39,410 INFO L93 Difference]: Finished difference Result 1212 states and 1696 transitions. [2023-11-19 08:00:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 08:00:39,412 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 201 [2023-11-19 08:00:39,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:39,419 INFO L225 Difference]: With dead ends: 1212 [2023-11-19 08:00:39,419 INFO L226 Difference]: Without dead ends: 703 [2023-11-19 08:00:39,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=599, Unknown=0, NotChecked=0, Total=870 [2023-11-19 08:00:39,423 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 250 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:39,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 341 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 08:00:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2023-11-19 08:00:39,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 555. [2023-11-19 08:00:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 405 states have (on average 1.288888888888889) internal successors, (522), 408 states have internal predecessors, (522), 126 states have call successors, (126), 23 states have call predecessors, (126), 23 states have return successors, (126), 123 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-19 08:00:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 774 transitions. [2023-11-19 08:00:39,598 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 774 transitions. Word has length 201 [2023-11-19 08:00:39,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:39,598 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 774 transitions. [2023-11-19 08:00:39,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-11-19 08:00:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 774 transitions. [2023-11-19 08:00:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:00:39,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:39,603 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:39,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:39,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 08:00:39,827 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:39,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1242920210, now seen corresponding path program 1 times [2023-11-19 08:00:39,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:39,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366474661] [2023-11-19 08:00:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:39,879 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:39,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476501301] [2023-11-19 08:00:39,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:39,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:39,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:39,881 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:39,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 08:00:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:40,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:00:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:40,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:00:40,447 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:00:40,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:00:40,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:40,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 08:00:40,671 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:40,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:00:40,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:00:40,841 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:00:40,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:40 BoogieIcfgContainer [2023-11-19 08:00:40,873 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:00:40,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:00:40,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:00:40,875 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:00:40,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:13" (3/4) ... [2023-11-19 08:00:40,882 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:00:40,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:00:40,885 INFO L158 Benchmark]: Toolchain (without parser) took 29283.84ms. Allocated memory was 146.8MB in the beginning and 346.0MB in the end (delta: 199.2MB). Free memory was 112.8MB in the beginning and 221.2MB in the end (delta: -108.5MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2023-11-19 08:00:40,885 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:40,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.38ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 97.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:00:40,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.51ms. Allocated memory is still 146.8MB. Free memory was 97.3MB in the beginning and 93.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:40,887 INFO L158 Benchmark]: Boogie Preprocessor took 97.40ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:40,887 INFO L158 Benchmark]: RCFGBuilder took 952.59ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 106.9MB in the end (delta: -15.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-19 08:00:40,888 INFO L158 Benchmark]: TraceAbstraction took 27694.41ms. Allocated memory was 146.8MB in the beginning and 346.0MB in the end (delta: 199.2MB). Free memory was 106.9MB in the beginning and 221.2MB in the end (delta: -114.4MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2023-11-19 08:00:40,889 INFO L158 Benchmark]: Witness Printer took 9.53ms. Allocated memory is still 346.0MB. Free memory is still 221.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:40,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.38ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 97.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.51ms. Allocated memory is still 146.8MB. Free memory was 97.3MB in the beginning and 93.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.40ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 952.59ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 106.9MB in the end (delta: -15.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27694.41ms. Allocated memory was 146.8MB in the beginning and 346.0MB in the end (delta: 199.2MB). Free memory was 106.9MB in the beginning and 221.2MB in the end (delta: -114.4MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Witness Printer took 9.53ms. Allocated memory is still 346.0MB. Free memory is still 221.2MB. 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~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 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 someBinaryDOUBLEComparisonOperation at line 188, overapproximation of someBinaryFLOATComparisonOperation at line 188. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_46 = 0; [L53] unsigned short int var_1_49 = 0; VAL [isInitial=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2, var_1_9=4000000001/4] [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] FCALL updateLastVariables() [L196] CALL updateVariables() [L136] var_1_9 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L137] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L138] var_1_11 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L139] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L140] var_1_13 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L141] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L144] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L145] var_1_16 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L146] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L148] var_1_17 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L149] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L151] var_1_19 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L152] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L157] var_1_21 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L158] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L160] var_1_22 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L161] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L163] var_1_24 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L164] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L166] var_1_25 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L167] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L169] var_1_26 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L170] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L172] var_1_35 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L173] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L175] var_1_39 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L176] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L178] var_1_40 = __VERIFIER_nondet_ulong() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L179] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L181] var_1_41 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L182] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L196] RET updateVariables() [L197] CALL step() [L57] var_1_15 = (var_1_16 - var_1_17) [L58] var_1_27 = var_1_21 [L59] unsigned char stepLocal_1 = var_1_27; [L60] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L61] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L62] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L70] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L73] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L74] COND FALSE !(var_1_27 > stepLocal_2) [L77] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L79] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L80] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L82] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L83] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L92] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L93] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L94] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L97] COND TRUE 1 >= stepLocal_3 [L98] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L103] EXPR var_1_27 | (var_1_21 + var_1_27) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L103] COND FALSE !(var_1_27 < (var_1_27 | (var_1_21 + var_1_27))) [L106] EXPR var_1_21 >> var_1_21 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L106] COND TRUE var_1_21 >= (var_1_21 >> var_1_21) [L107] COND FALSE !(var_1_23 || (var_1_17 < var_1_21)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L111] COND FALSE !(var_1_27 > (var_1_20 / var_1_35)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L114] COND TRUE 63.75f <= var_1_11 [L115] var_1_37 = ((var_1_39 + ((((var_1_40) > (var_1_41)) ? (var_1_40) : (var_1_41)))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L117] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27)))) [L120] var_1_42 = (var_1_25 || var_1_25) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L122] COND FALSE !(\read(var_1_25)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L129] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_27) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.4s, OverallIterations: 14, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3680 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3561 mSDsluCounter, 5511 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3649 mSDsCounter, 1054 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4579 IncrementalHoareTripleChecker+Invalid, 5633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1054 mSolverCounterUnsat, 1862 mSDtfsCounter, 4579 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3531 GetRequests, 3354 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2976 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=555occurred in iteration=13, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 2685 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 3006 NumberOfCodeBlocks, 3006 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3393 ConstructedInterpolants, 0 QuantifiedInterpolants, 8846 SizeOfPredicates, 35 NumberOfNonLiveVariables, 6274 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 31146/31620 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 08:00:40,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 178c8e25fe6500dd13d8dde78f808ba54650ed4da41e205cb23b94c6857c8efc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:44,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:44,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:00:44,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:44,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:44,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:44,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:44,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:44,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:44,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:44,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:44,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:44,322 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:44,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:44,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:44,325 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:44,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:44,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:44,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:44,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:44,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:44,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:00:44,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:00:44,331 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:00:44,332 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:44,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:44,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:44,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:44,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:44,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:44,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:44,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:44,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:44,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:44,338 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:00:44,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:00:44,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:44,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:44,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:44,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:44,341 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:00:44,342 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:44,343 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_2f1c721c-1443-4807-a6a4-83c379cc95ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 178c8e25fe6500dd13d8dde78f808ba54650ed4da41e205cb23b94c6857c8efc [2023-11-19 08:00:44,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:44,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:44,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:44,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:44,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:44,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i [2023-11-19 08:00:48,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:48,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:48,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i [2023-11-19 08:00:48,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data/3c5b3fcb7/392dee1d627c497180f33b035bf017eb/FLAG520dbe5ef [2023-11-19 08:00:48,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/data/3c5b3fcb7/392dee1d627c497180f33b035bf017eb [2023-11-19 08:00:48,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:48,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:48,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:48,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:48,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:48,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:48" (1/1) ... [2023-11-19 08:00:48,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ecb919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:48, skipping insertion in model container [2023-11-19 08:00:48,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:48" (1/1) ... [2023-11-19 08:00:48,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:48,894 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_2f1c721c-1443-4807-a6a4-83c379cc95ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i[918,931] [2023-11-19 08:00:49,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:49,042 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:49,060 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_2f1c721c-1443-4807-a6a4-83c379cc95ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i[918,931] [2023-11-19 08:00:49,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:49,168 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:49,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49 WrapperNode [2023-11-19 08:00:49,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:49,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:49,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:49,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:49,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,256 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-19 08:00:49,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:49,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:49,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:49,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:49,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:49,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:49,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:49,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:49,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (1/1) ... [2023-11-19 08:00:49,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:49,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:49,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:49,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:00:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:49,629 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:49,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:50,219 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:50,228 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:50,229 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:50,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:50 BoogieIcfgContainer [2023-11-19 08:00:50,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:50,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:50,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:50,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:50,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:48" (1/3) ... [2023-11-19 08:00:50,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a0c039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:50, skipping insertion in model container [2023-11-19 08:00:50,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49" (2/3) ... [2023-11-19 08:00:50,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a0c039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:50, skipping insertion in model container [2023-11-19 08:00:50,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:50" (3/3) ... [2023-11-19 08:00:50,243 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-1.i [2023-11-19 08:00:50,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:50,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:50,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:50,323 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;@6325273, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:50,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 08:00:50,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:50,349 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:50,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:50,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash -916903089, now seen corresponding path program 1 times [2023-11-19 08:00:50,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:00:50,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725458452] [2023-11-19 08:00:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:50,378 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 08:00:50,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:00:50,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:50,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:50,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:00:50,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2023-11-19 08:00:50,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:50,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:00:50,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725458452] [2023-11-19 08:00:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725458452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:50,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:50,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:50,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31903169] [2023-11-19 08:00:50,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:50,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:50,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:00:50,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:50,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:50,995 INFO L87 Difference]: Start difference. First operand has 91 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:00:51,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:51,063 INFO L93 Difference]: Finished difference Result 175 states and 315 transitions. [2023-11-19 08:00:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:51,066 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2023-11-19 08:00:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:51,078 INFO L225 Difference]: With dead ends: 175 [2023-11-19 08:00:51,078 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 08:00:51,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 196 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 08:00:51,086 INFO L413 NwaCegarLoop]: 137 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, 137 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 08:00:51,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:51,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 08:00:51,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-19 08:00:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 54 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 137 transitions. [2023-11-19 08:00:51,144 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 137 transitions. Word has length 197 [2023-11-19 08:00:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:51,145 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 137 transitions. [2023-11-19 08:00:51,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:00:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2023-11-19 08:00:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 08:00:51,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:51,151 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:51,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:51,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:51,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:51,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:51,361 INFO L85 PathProgramCache]: Analyzing trace with hash 140297933, now seen corresponding path program 1 times [2023-11-19 08:00:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:00:51,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989988321] [2023-11-19 08:00:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:51,363 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 08:00:51,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:00:51,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:51,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:51,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:00:51,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 08:00:52,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:52,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:00:52,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989988321] [2023-11-19 08:00:52,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989988321] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:52,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:52,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-11-19 08:00:52,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445670531] [2023-11-19 08:00:52,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:52,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:52,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:00:52,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:52,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:00:52,807 INFO L87 Difference]: Start difference. First operand 87 states and 137 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:53,004 INFO L93 Difference]: Finished difference Result 171 states and 271 transitions. [2023-11-19 08:00:53,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:53,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-11-19 08:00:53,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:53,014 INFO L225 Difference]: With dead ends: 171 [2023-11-19 08:00:53,014 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 08:00:53,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:00:53,017 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 37 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:53,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 205 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:53,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 08:00:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-19 08:00:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 136 transitions. [2023-11-19 08:00:53,043 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 136 transitions. Word has length 197 [2023-11-19 08:00:53,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:53,048 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 136 transitions. [2023-11-19 08:00:53,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2023-11-19 08:00:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 08:00:53,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:53,060 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:53,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:53,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:53,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:53,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:53,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1448049969, now seen corresponding path program 1 times [2023-11-19 08:00:53,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:00:53,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406890205] [2023-11-19 08:00:53,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:53,272 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 08:00:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:00:53,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:53,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:53,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:00:53,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:00:54,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:54,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:00:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406890205] [2023-11-19 08:00:54,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406890205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:54,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:54,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:54,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785983005] [2023-11-19 08:00:54,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:54,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:54,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:00:54,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:54,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:54,122 INFO L87 Difference]: Start difference. First operand 87 states and 136 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:54,202 INFO L93 Difference]: Finished difference Result 255 states and 402 transitions. [2023-11-19 08:00:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:54,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-11-19 08:00:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:54,206 INFO L225 Difference]: With dead ends: 255 [2023-11-19 08:00:54,207 INFO L226 Difference]: Without dead ends: 171 [2023-11-19 08:00:54,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 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 08:00:54,210 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 37 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:54,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 284 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:54,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-19 08:00:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2023-11-19 08:00:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 104 states have (on average 1.375) internal successors, (143), 104 states have internal predecessors, (143), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:00:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2023-11-19 08:00:54,257 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 197 [2023-11-19 08:00:54,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:54,259 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2023-11-19 08:00:54,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:00:54,259 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2023-11-19 08:00:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-19 08:00:54,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:54,263 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:54,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:54,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:54,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:54,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1257491759, now seen corresponding path program 1 times [2023-11-19 08:00:54,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:00:54,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654486295] [2023-11-19 08:00:54,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:54,475 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 08:00:54,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:00:54,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 08:00:54,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1c721c-1443-4807-a6a4-83c379cc95ac/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 (5)] Waiting until timeout for monitored process