./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.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_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 8633596662ab62787a48c295f40fc88c07e0c2a44027397c2cc6b2f923927ff7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:45,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:45,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:00:45,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:45,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:45,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:45,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:45,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:45,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:45,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:45,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:45,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:45,183 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:45,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:45,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:45,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:45,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:45,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:45,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:45,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:45,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:45,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:45,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:45,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:45,191 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:45,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:45,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:45,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:45,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:45,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:45,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:45,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:45,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:45,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:45,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:45,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:45,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:45,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:45,197 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:45,197 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_dbaac949-7cf5-4a07-b77f-666773b14bf5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8633596662ab62787a48c295f40fc88c07e0c2a44027397c2cc6b2f923927ff7 [2023-11-19 08:00:45,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:45,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:45,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:45,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:45,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:45,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i [2023-11-19 08:00:48,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:48,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:48,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i [2023-11-19 08:00:48,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data/7b3003bb7/53aa1fd379b345cfa639f04a3a630620/FLAG45f0da4a3 [2023-11-19 08:00:48,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data/7b3003bb7/53aa1fd379b345cfa639f04a3a630620 [2023-11-19 08:00:48,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:48,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:48,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:48,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:49,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:49,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:48" (1/1) ... [2023-11-19 08:00:49,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17acc4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49, skipping insertion in model container [2023-11-19 08:00:49,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:48" (1/1) ... [2023-11-19 08:00:49,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:49,253 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_dbaac949-7cf5-4a07-b77f-666773b14bf5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i[919,932] [2023-11-19 08:00:49,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:49,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:49,391 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_dbaac949-7cf5-4a07-b77f-666773b14bf5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i[919,932] [2023-11-19 08:00:49,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:49,478 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:49,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:49 WrapperNode [2023-11-19 08:00:49,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:49,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:49,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:49,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:49,489 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 08:00:49,505 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 08:00:49,559 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2023-11-19 08:00:49,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:49,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:49,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:49,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:49,580 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 08:00:49,580 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 08:00:49,585 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 08:00:49,585 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 08:00:49,600 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 08:00:49,607 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 08:00:49,610 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 08:00:49,613 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 08:00:49,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:49,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:49,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:49,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:49,622 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 08:00:49,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:49,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:49,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:49,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:49,905 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:49,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:50,390 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:50,400 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:50,404 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:50,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:50 BoogieIcfgContainer [2023-11-19 08:00:50,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:50,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:50,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:50,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:50,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:48" (1/3) ... [2023-11-19 08:00:50,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e7bd30 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 08:00:50,427 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 08:00:50,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e7bd30 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 08:00:50,429 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 08:00:50,431 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i [2023-11-19 08:00:50,456 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:50,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:50,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:50,536 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;@5aff9ee6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:50,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 63 states have (on average 1.5555555555555556) internal successors, (98), 64 states have internal predecessors, (98), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:00:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 08:00:50,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:50,561 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:50,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:50,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:50,570 INFO L85 PathProgramCache]: Analyzing trace with hash 748375699, now seen corresponding path program 1 times [2023-11-19 08:00:50,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:50,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888580182] [2023-11-19 08:00:50,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:50,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:50,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:50,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888580182] [2023-11-19 08:00:50,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:00:50,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872748161] [2023-11-19 08:00:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:50,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:50,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:50,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:51,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:00:51,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-19 08:00:51,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:51,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872748161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:51,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:51,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:51,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314889158] [2023-11-19 08:00:51,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:51,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:51,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:51,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:51,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:51,231 INFO L87 Difference]: Start difference. First operand has 84 states, 63 states have (on average 1.5555555555555556) internal successors, (98), 64 states have internal predecessors, (98), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:00:51,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:51,266 INFO L93 Difference]: Finished difference Result 161 states and 280 transitions. [2023-11-19 08:00:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:51,268 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2023-11-19 08:00:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:51,278 INFO L225 Difference]: With dead ends: 161 [2023-11-19 08:00:51,278 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 08:00:51,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 08:00:51,286 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:51,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:51,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 08:00:51,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 08:00:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.5) internal successors, (90), 60 states have internal predecessors, (90), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:00:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-19 08:00:51,338 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 130 [2023-11-19 08:00:51,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:51,339 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-19 08:00:51,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:00:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-19 08:00:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 08:00:51,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:51,344 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:51,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:51,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:00:51,565 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:51,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash 399222968, now seen corresponding path program 1 times [2023-11-19 08:00:51,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:51,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916317278] [2023-11-19 08:00:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:51,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:51,638 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:51,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832376560] [2023-11-19 08:00:51,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:51,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:51,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:51,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:51,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:00:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:51,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:00:51,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:00:51,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:51,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:51,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916317278] [2023-11-19 08:00:51,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832376560] [2023-11-19 08:00:51,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832376560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:51,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:51,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:51,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641570428] [2023-11-19 08:00:51,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:51,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:51,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:51,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:51,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:51,928 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:52,046 INFO L93 Difference]: Finished difference Result 158 states and 251 transitions. [2023-11-19 08:00:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:52,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 131 [2023-11-19 08:00:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:52,053 INFO L225 Difference]: With dead ends: 158 [2023-11-19 08:00:52,054 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 08:00:52,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 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 08:00:52,056 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:52,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:52,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 08:00:52,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 08:00:52,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 61 states have internal predecessors, (91), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:00:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 127 transitions. [2023-11-19 08:00:52,071 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 127 transitions. Word has length 131 [2023-11-19 08:00:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:52,073 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 127 transitions. [2023-11-19 08:00:52,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2023-11-19 08:00:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 08:00:52,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:52,077 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:52,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:52,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:52,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:52,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:52,299 INFO L85 PathProgramCache]: Analyzing trace with hash 618077686, now seen corresponding path program 1 times [2023-11-19 08:00:52,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:52,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14449510] [2023-11-19 08:00:52,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:52,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:52,392 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:52,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451015702] [2023-11-19 08:00:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:52,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:52,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:52,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:00:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:52,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:52,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:00:52,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:52,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:52,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14449510] [2023-11-19 08:00:52,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:52,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451015702] [2023-11-19 08:00:52,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451015702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:52,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:52,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:52,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101759544] [2023-11-19 08:00:52,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:52,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:52,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:52,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:52,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:52,828 INFO L87 Difference]: Start difference. First operand 81 states and 127 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:52,926 INFO L93 Difference]: Finished difference Result 224 states and 357 transitions. [2023-11-19 08:00:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:52,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 131 [2023-11-19 08:00:52,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:52,935 INFO L225 Difference]: With dead ends: 224 [2023-11-19 08:00:52,935 INFO L226 Difference]: Without dead ends: 146 [2023-11-19 08:00:52,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 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 08:00:52,940 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 46 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:52,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:52,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-19 08:00:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 128. [2023-11-19 08:00:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 89 states have internal predecessors, (127), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 08:00:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 199 transitions. [2023-11-19 08:00:52,981 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 199 transitions. Word has length 131 [2023-11-19 08:00:52,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:52,984 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 199 transitions. [2023-11-19 08:00:52,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2023-11-19 08:00:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 08:00:52,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:52,990 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:53,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:53,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:53,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:53,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:53,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1951821965, now seen corresponding path program 1 times [2023-11-19 08:00:53,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:53,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686221869] [2023-11-19 08:00:53,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:53,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:53,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:53,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435838750] [2023-11-19 08:00:53,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:53,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:53,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:53,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:53,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:00:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:53,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 08:00:53,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 191 proven. 42 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-19 08:00:53,782 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 08:00:54,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:54,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686221869] [2023-11-19 08:00:54,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:54,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435838750] [2023-11-19 08:00:54,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435838750] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:54,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:54,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-19 08:00:54,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608664161] [2023-11-19 08:00:54,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:54,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:00:54,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:54,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:00:54,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:00:54,084 INFO L87 Difference]: Start difference. First operand 128 states and 199 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-19 08:00:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:54,380 INFO L93 Difference]: Finished difference Result 233 states and 355 transitions. [2023-11-19 08:00:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:00:54,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 131 [2023-11-19 08:00:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:54,384 INFO L225 Difference]: With dead ends: 233 [2023-11-19 08:00:54,384 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 08:00:54,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-11-19 08:00:54,386 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 233 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:54,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 232 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:54,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 08:00:54,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 136. [2023-11-19 08:00:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 95 states have internal predecessors, (125), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 08:00:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 197 transitions. [2023-11-19 08:00:54,409 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 197 transitions. Word has length 131 [2023-11-19 08:00:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:54,410 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 197 transitions. [2023-11-19 08:00:54,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-19 08:00:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2023-11-19 08:00:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 08:00:54,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:54,412 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:54,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:54,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:54,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:54,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:54,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1094103311, now seen corresponding path program 1 times [2023-11-19 08:00:54,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:54,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068994654] [2023-11-19 08:00:54,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:54,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:54,685 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:54,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188275303] [2023-11-19 08:00:54,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:54,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:54,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:54,700 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:54,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:00:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:00:54,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:00:55,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:55,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:55,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068994654] [2023-11-19 08:00:55,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:55,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188275303] [2023-11-19 08:00:55,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188275303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:55,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:55,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:55,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3779090] [2023-11-19 08:00:55,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:55,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:55,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:55,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:55,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:55,738 INFO L87 Difference]: Start difference. First operand 136 states and 197 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:56,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:56,247 INFO L93 Difference]: Finished difference Result 377 states and 549 transitions. [2023-11-19 08:00:56,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:00:56,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 132 [2023-11-19 08:00:56,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:56,252 INFO L225 Difference]: With dead ends: 377 [2023-11-19 08:00:56,252 INFO L226 Difference]: Without dead ends: 295 [2023-11-19 08:00:56,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:00:56,254 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 314 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:56,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 426 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:00:56,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-19 08:00:56,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 222. [2023-11-19 08:00:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 169 states have (on average 1.378698224852071) internal successors, (233), 170 states have internal predecessors, (233), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-19 08:00:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 325 transitions. [2023-11-19 08:00:56,295 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 325 transitions. Word has length 132 [2023-11-19 08:00:56,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:56,296 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 325 transitions. [2023-11-19 08:00:56,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 325 transitions. [2023-11-19 08:00:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 08:00:56,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:56,299 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:56,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:56,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:56,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:56,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:56,529 INFO L85 PathProgramCache]: Analyzing trace with hash 24464347, now seen corresponding path program 1 times [2023-11-19 08:00:56,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:56,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677691101] [2023-11-19 08:00:56,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:56,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:56,566 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:56,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769550209] [2023-11-19 08:00:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:56,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:56,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:56,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:56,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:00:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:00:56,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:00:56,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:56,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677691101] [2023-11-19 08:00:56,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:56,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769550209] [2023-11-19 08:00:56,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769550209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:56,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:56,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:00:56,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040772999] [2023-11-19 08:00:56,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:56,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:56,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:56,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:56,832 INFO L87 Difference]: Start difference. First operand 222 states and 325 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:57,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:57,015 INFO L93 Difference]: Finished difference Result 420 states and 620 transitions. [2023-11-19 08:00:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:57,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2023-11-19 08:00:57,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:57,021 INFO L225 Difference]: With dead ends: 420 [2023-11-19 08:00:57,021 INFO L226 Difference]: Without dead ends: 186 [2023-11-19 08:00:57,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:57,024 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 125 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:57,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 315 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-19 08:00:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2023-11-19 08:00:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 143 states have (on average 1.3986013986013985) internal successors, (200), 143 states have internal predecessors, (200), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 08:00:57,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 272 transitions. [2023-11-19 08:00:57,058 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 272 transitions. Word has length 133 [2023-11-19 08:00:57,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:57,059 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 272 transitions. [2023-11-19 08:00:57,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:00:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 272 transitions. [2023-11-19 08:00:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 08:00:57,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:57,063 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:57,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:57,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 08:00:57,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:57,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:57,284 INFO L85 PathProgramCache]: Analyzing trace with hash -368562663, now seen corresponding path program 1 times [2023-11-19 08:00:57,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:57,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100126952] [2023-11-19 08:00:57,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:57,317 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:57,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869682319] [2023-11-19 08:00:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:57,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:57,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:00:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:57,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:00:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:57,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:00:57,673 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:00:57,674 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:00:57,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:57,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 08:00:57,883 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:57,887 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:00:58,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:00:58,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:58 BoogieIcfgContainer [2023-11-19 08:00:58,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:00:58,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:00:58,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:00:58,058 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:00:58,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:50" (3/4) ... [2023-11-19 08:00:58,061 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:00:58,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:00:58,063 INFO L158 Benchmark]: Toolchain (without parser) took 9074.33ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 98.6MB in the beginning and 87.7MB in the end (delta: 10.9MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,064 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:58,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.78ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 83.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.13ms. Allocated memory is still 144.7MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,065 INFO L158 Benchmark]: Boogie Preprocessor took 49.97ms. Allocated memory is still 144.7MB. Free memory was 79.3MB in the beginning and 76.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,066 INFO L158 Benchmark]: RCFGBuilder took 793.43ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 76.8MB in the beginning and 147.5MB in the end (delta: -70.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,066 INFO L158 Benchmark]: TraceAbstraction took 7638.86ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 146.5MB in the beginning and 88.8MB in the end (delta: 57.7MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,067 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 239.1MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:58,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.78ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 83.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.13ms. Allocated memory is still 144.7MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.97ms. Allocated memory is still 144.7MB. Free memory was 79.3MB in the beginning and 76.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 793.43ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 76.8MB in the beginning and 147.5MB in the end (delta: -70.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7638.86ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 146.5MB in the beginning and 88.8MB in the end (delta: 57.7MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 239.1MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation 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 195, overapproximation of someBinaryFLOATComparisonOperation at line 195. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] unsigned long int var_1_24 = 16; [L40] double var_1_28 = 15.5; [L41] unsigned long int var_1_30 = 5; [L42] signed long int var_1_32 = 32; [L43] float var_1_34 = 7.5; [L44] unsigned short int var_1_35 = 100; [L45] unsigned short int var_1_37 = 47055; [L46] signed char var_1_39 = -64; [L47] double var_1_40 = 16.75; [L48] signed char var_1_41 = 16; [L49] signed long int last_1_var_1_1 = -256; [L50] signed short int last_1_var_1_5 = -256; [L51] unsigned char last_1_var_1_10 = 0; [L52] unsigned short int last_1_var_1_19 = 5; [L53] signed short int last_1_var_1_22 = 50; VAL [isInitial=0, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5] [L199] isInitial = 1 [L200] FCALL initially() [L201] COND TRUE 1 [L202] CALL updateLastVariables() [L188] last_1_var_1_1 = var_1_1 [L189] last_1_var_1_5 = var_1_5 [L190] last_1_var_1_10 = var_1_10 [L191] last_1_var_1_19 = var_1_19 [L192] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5] [L202] RET updateLastVariables() [L203] CALL updateVariables() [L157] var_1_7 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L158] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L159] var_1_8 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L160] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L161] var_1_11 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L162] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L163] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L163] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L164] var_1_13 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L165] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L166] var_1_14 = __VERIFIER_nondet_float() [L167] 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, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L167] 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, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L168] var_1_15 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L169] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L170] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L170] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L171] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L171] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L172] var_1_16 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L173] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L174] var_1_18 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L175] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L176] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L176] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L177] var_1_37 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L178] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L179] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L179] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L180] var_1_40 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=16, var_1_5=-256, var_1_8=2] [L181] RET assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=16, var_1_5=-256, var_1_8=2] [L182] CALL assume_abort_if_not(var_1_40 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=16, var_1_5=-256, var_1_8=2] [L182] RET assume_abort_if_not(var_1_40 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=16, var_1_5=-256, var_1_8=2] [L183] var_1_41 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_41 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L184] RET assume_abort_if_not(var_1_41 >= -127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L185] CALL assume_abort_if_not(var_1_41 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L185] RET assume_abort_if_not(var_1_41 <= 126) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L203] RET updateVariables() [L204] CALL step() [L57] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L60] COND FALSE !(var_1_19 < var_1_18) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L65] COND TRUE var_1_10 || (var_1_18 <= var_1_18) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L66] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L71] COND FALSE !(var_1_10 || var_1_10) [L74] var_1_30 = var_1_18 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L76] COND FALSE !(var_1_13 > var_1_13) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L87] var_1_34 = var_1_14 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L88] EXPR (var_1_15 % var_1_15) ^ var_1_18 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=100, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L88] COND TRUE ((var_1_15 % var_1_15) ^ var_1_18) != var_1_1 [L89] var_1_35 = (((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) - var_1_18) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=-64, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L91] COND FALSE !(((var_1_8 / var_1_40) * var_1_14) > var_1_14) [L100] var_1_39 = var_1_41 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L102] signed long int stepLocal_2 = last_1_var_1_5; [L103] unsigned char stepLocal_1 = last_1_var_1_10; [L104] signed long int stepLocal_0 = 256; VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L105] COND FALSE !(stepLocal_1 && (last_1_var_1_5 >= last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L110] COND TRUE last_1_var_1_1 >= stepLocal_2 [L111] var_1_1 = last_1_var_1_5 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L116] var_1_10 = (last_1_var_1_10 && var_1_11) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L117] COND FALSE !(var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L122] var_1_22 = last_1_var_1_22 [L123] var_1_23 = var_1_14 [L124] unsigned char stepLocal_5 = var_1_10; [L125] unsigned char stepLocal_4 = var_1_18; VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L126] COND FALSE !(var_1_22 < stepLocal_4) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L129] COND FALSE !((var_1_10 || var_1_10) || stepLocal_5) [L132] var_1_19 = var_1_22 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L135] var_1_21 = var_1_22 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L136] COND TRUE ! (var_1_23 <= var_1_7) [L137] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L145] unsigned char stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_3=0, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L146] COND FALSE !(var_1_10 && stepLocal_3) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_3=0, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=-256, var_1_8=2] [L149] COND TRUE (var_1_7 - var_1_8) > var_1_12 [L150] var_1_5 = var_1_19 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, stepLocal_0=256, stepLocal_1=0, stepLocal_2=-256, stepLocal_3=0, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=50, var_1_8=2] [L204] RET step() [L205] CALL, EXPR property() [L195-L196] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; VAL [\result=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=50, var_1_8=2] [L205] RET, EXPR property() [L205] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=50, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=6, var_1_13=6, var_1_14=3, var_1_15=15, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=50, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=0, var_1_32=32, var_1_34=3, var_1_35=32767, var_1_37=32767, var_1_39=0, var_1_40=5, var_1_41=0, var_1_5=50, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 720 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 718 mSDsluCounter, 1537 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 849 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 596 IncrementalHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 688 mSDtfsCounter, 596 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 926 GetRequests, 895 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 101 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1051 NumberOfCodeBlocks, 1051 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 912 ConstructedInterpolants, 0 QuantifiedInterpolants, 2895 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2160 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 4200/4284 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 08:00:58,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 8633596662ab62787a48c295f40fc88c07e0c2a44027397c2cc6b2f923927ff7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:00,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:00,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:01:00,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:00,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:00,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:00,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:00,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:00,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:00,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:00,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:00,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:00,998 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:00,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:00,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:01,000 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:01,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:01,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:01,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:01,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:01,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:01,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:01,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:01:01,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:01:01,005 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:01,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:01,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:01,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:01,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:01,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:01,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:01,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:01,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:01,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:01,009 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:01:01,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:01:01,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:01,010 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:01,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:01,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:01,012 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:01:01,012 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:01,013 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_dbaac949-7cf5-4a07-b77f-666773b14bf5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8633596662ab62787a48c295f40fc88c07e0c2a44027397c2cc6b2f923927ff7 [2023-11-19 08:01:01,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:01,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:01,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:01,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:01,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:01,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i [2023-11-19 08:01:04,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:05,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:05,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i [2023-11-19 08:01:05,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data/6e71121cd/c0302d31ccf749eea077aa42fb7d695d/FLAG37fa73a06 [2023-11-19 08:01:05,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/data/6e71121cd/c0302d31ccf749eea077aa42fb7d695d [2023-11-19 08:01:05,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:05,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:05,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:05,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:05,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:05,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f24ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05, skipping insertion in model container [2023-11-19 08:01:05,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:05,384 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_dbaac949-7cf5-4a07-b77f-666773b14bf5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i[919,932] [2023-11-19 08:01:05,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:05,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:05,541 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_dbaac949-7cf5-4a07-b77f-666773b14bf5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i[919,932] [2023-11-19 08:01:05,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:05,631 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:05,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05 WrapperNode [2023-11-19 08:01:05,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:05,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:05,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:05,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:05,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,712 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-19 08:01:05,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:05,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:05,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:05,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:05,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:05,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:05,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:05,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:05,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (1/1) ... [2023-11-19 08:01:05,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:05,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:05,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:05,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:01:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:05,979 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:05,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:12,937 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:12,953 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:12,953 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:12,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:12 BoogieIcfgContainer [2023-11-19 08:01:12,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:12,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:12,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:12,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:12,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:05" (1/3) ... [2023-11-19 08:01:12,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e60c341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:12, skipping insertion in model container [2023-11-19 08:01:12,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:05" (2/3) ... [2023-11-19 08:01:12,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e60c341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:12, skipping insertion in model container [2023-11-19 08:01:12,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:12" (3/3) ... [2023-11-19 08:01:12,992 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-25.i [2023-11-19 08:01:13,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:13,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:13,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:13,074 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;@1e09ab25, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:13,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:01:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 08:01:13,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:13,096 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:01:13,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:13,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1753308028, now seen corresponding path program 1 times [2023-11-19 08:01:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:13,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447311547] [2023-11-19 08:01:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:13,124 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 08:01:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:13,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:13,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:14,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:01:14,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-19 08:01:14,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:14,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:14,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447311547] [2023-11-19 08:01:14,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447311547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:14,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:14,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:01:14,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567739599] [2023-11-19 08:01:14,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:14,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:01:14,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:01:14,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:01:14,687 INFO L87 Difference]: Start difference. First operand has 78 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:01:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:14,739 INFO L93 Difference]: Finished difference Result 147 states and 252 transitions. [2023-11-19 08:01:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:01:14,741 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2023-11-19 08:01:14,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:14,759 INFO L225 Difference]: With dead ends: 147 [2023-11-19 08:01:14,759 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 08:01:14,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 08:01:14,767 INFO L413 NwaCegarLoop]: 109 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, 109 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 08:01:14,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:14,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 08:01:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 08:01:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:01:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2023-11-19 08:01:14,821 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 129 [2023-11-19 08:01:14,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:14,822 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2023-11-19 08:01:14,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:01:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2023-11-19 08:01:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 08:01:14,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:14,827 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:01:14,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:15,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:15,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:15,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:15,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2019193976, now seen corresponding path program 1 times [2023-11-19 08:01:15,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:15,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889786515] [2023-11-19 08:01:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:15,048 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 08:01:15,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:15,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:15,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:16,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:01:16,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:01:18,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:18,511 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:18,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889786515] [2023-11-19 08:01:18,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889786515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:18,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:18,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:01:18,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710809949] [2023-11-19 08:01:18,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:18,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:01:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:01:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:18,518 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:01:19,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:19,682 INFO L93 Difference]: Finished difference Result 208 states and 317 transitions. [2023-11-19 08:01:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:19,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2023-11-19 08:01:19,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:19,689 INFO L225 Difference]: With dead ends: 208 [2023-11-19 08:01:19,689 INFO L226 Difference]: Without dead ends: 139 [2023-11-19 08:01:19,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 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 08:01:19,692 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 42 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:19,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 206 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 08:01:19,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-19 08:01:19,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 126. [2023-11-19 08:01:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 08:01:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2023-11-19 08:01:19,726 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 129 [2023-11-19 08:01:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:19,727 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2023-11-19 08:01:19,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:01:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2023-11-19 08:01:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 08:01:19,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:19,731 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:01:19,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:19,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:19,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:19,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:19,952 INFO L85 PathProgramCache]: Analyzing trace with hash -347313464, now seen corresponding path program 1 times [2023-11-19 08:01:19,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:19,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984664758] [2023-11-19 08:01:19,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:19,954 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 08:01:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:19,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:19,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:21,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:01:21,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:01:23,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:23,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984664758] [2023-11-19 08:01:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984664758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:23,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:23,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:23,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443657170] [2023-11-19 08:01:23,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:23,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:23,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:23,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:23,611 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:01:24,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:24,464 INFO L93 Difference]: Finished difference Result 244 states and 364 transitions. [2023-11-19 08:01:24,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:24,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2023-11-19 08:01:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:24,468 INFO L225 Difference]: With dead ends: 244 [2023-11-19 08:01:24,468 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 08:01:24,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:24,471 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 98 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:24,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 90 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 08:01:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 08:01:24,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2023-11-19 08:01:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:01:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 104 transitions. [2023-11-19 08:01:24,494 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 104 transitions. Word has length 129 [2023-11-19 08:01:24,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:24,495 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 104 transitions. [2023-11-19 08:01:24,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 08:01:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2023-11-19 08:01:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 08:01:24,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:24,499 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:01:24,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:24,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:24,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:24,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:24,717 INFO L85 PathProgramCache]: Analyzing trace with hash -2123280904, now seen corresponding path program 1 times [2023-11-19 08:01:24,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:24,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819009193] [2023-11-19 08:01:24,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:24,719 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 08:01:24,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:24,720 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 08:01:24,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaac949-7cf5-4a07-b77f-666773b14bf5/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 [2023-11-19 08:01:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 08:01:26,183 INFO L285 TraceCheckSpWp]: Computing forward predicates...