./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.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_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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_698f9558-100a-4c39-89db-471bfd257e5e/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 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:46,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:46,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:04:46,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:46,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:46,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:46,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:46,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:46,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:46,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:46,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:46,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:46,631 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:46,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:46,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:46,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:46,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:46,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:46,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:46,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:46,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:46,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:46,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:46,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:46,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:46,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:46,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:46,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:46,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:46,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:46,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:46,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:46,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:46,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:46,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:46,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:46,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:46,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:46,644 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:46,645 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_698f9558-100a-4c39-89db-471bfd257e5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac [2023-11-19 08:04:46,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:46,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:46,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:46,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:46,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:46,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2023-11-19 08:04:50,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:50,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:50,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2023-11-19 08:04:50,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data/56dc33969/53a9f14a7cb64e03a62594a844b381d2/FLAGab2eb6744 [2023-11-19 08:04:50,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data/56dc33969/53a9f14a7cb64e03a62594a844b381d2 [2023-11-19 08:04:50,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:50,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:50,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:50,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:50,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:50,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342b84f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50, skipping insertion in model container [2023-11-19 08:04:50,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:50,837 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_698f9558-100a-4c39-89db-471bfd257e5e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2023-11-19 08:04:50,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:50,950 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:50,964 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_698f9558-100a-4c39-89db-471bfd257e5e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2023-11-19 08:04:51,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:51,040 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:51,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51 WrapperNode [2023-11-19 08:04:51,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:51,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:51,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:51,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:51,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,165 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-19 08:04:51,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:51,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:51,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:51,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:51,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:51,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:51,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:51,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:51,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (1/1) ... [2023-11-19 08:04:51,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:51,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:51,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:51,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:51,501 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:51,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:52,022 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:52,031 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:52,032 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:52,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:52 BoogieIcfgContainer [2023-11-19 08:04:52,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:52,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:52,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:52,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:52,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:50" (1/3) ... [2023-11-19 08:04:52,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef9ce4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:52, skipping insertion in model container [2023-11-19 08:04:52,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:51" (2/3) ... [2023-11-19 08:04:52,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef9ce4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:52, skipping insertion in model container [2023-11-19 08:04:52,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:52" (3/3) ... [2023-11-19 08:04:52,047 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-19.i [2023-11-19 08:04:52,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:52,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:52,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:52,127 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;@78c11d61, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:52,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 08:04:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:04:52,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:52,150 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:52,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:52,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1699417632, now seen corresponding path program 1 times [2023-11-19 08:04:52,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:52,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300638728] [2023-11-19 08:04:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:52,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 08:04:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 08:04:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:04:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:04:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:04:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:04:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 08:04:52,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:52,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300638728] [2023-11-19 08:04:52,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300638728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:52,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:52,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:52,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848432759] [2023-11-19 08:04:52,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:52,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:52,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:52,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:52,940 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 08:04:52,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:52,976 INFO L93 Difference]: Finished difference Result 129 states and 217 transitions. [2023-11-19 08:04:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:52,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2023-11-19 08:04:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:52,986 INFO L225 Difference]: With dead ends: 129 [2023-11-19 08:04:52,987 INFO L226 Difference]: Without dead ends: 62 [2023-11-19 08:04:52,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 08:04:52,995 INFO L413 NwaCegarLoop]: 96 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, 96 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 08:04:52,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:53,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-19 08:04:53,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-19 08:04:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 08:04:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2023-11-19 08:04:53,054 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 142 [2023-11-19 08:04:53,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:53,054 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2023-11-19 08:04:53,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 08:04:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2023-11-19 08:04:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:04:53,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:53,062 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:53,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:53,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:53,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:53,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1758907752, now seen corresponding path program 1 times [2023-11-19 08:04:53,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:53,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800423795] [2023-11-19 08:04:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:53,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 08:04:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 08:04:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:04:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:04:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:04:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:04:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 08:04:53,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:53,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800423795] [2023-11-19 08:04:53,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800423795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:53,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:53,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:53,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586325151] [2023-11-19 08:04:53,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:53,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:53,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:53,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:53,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:53,916 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:04:54,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:54,182 INFO L93 Difference]: Finished difference Result 196 states and 292 transitions. [2023-11-19 08:04:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:54,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-11-19 08:04:54,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:54,194 INFO L225 Difference]: With dead ends: 196 [2023-11-19 08:04:54,194 INFO L226 Difference]: Without dead ends: 137 [2023-11-19 08:04:54,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:54,197 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 73 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:54,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 276 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-19 08:04:54,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2023-11-19 08:04:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.25) internal successors, (90), 72 states have internal predecessors, (90), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 08:04:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 178 transitions. [2023-11-19 08:04:54,254 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 178 transitions. Word has length 142 [2023-11-19 08:04:54,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:54,256 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 178 transitions. [2023-11-19 08:04:54,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:04:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 178 transitions. [2023-11-19 08:04:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:04:54,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:54,269 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:54,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:04:54,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:54,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:54,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1524942294, now seen corresponding path program 1 times [2023-11-19 08:04:54,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:54,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563281859] [2023-11-19 08:04:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:54,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 08:04:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 08:04:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:04:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:04:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:04:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:04:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 08:04:54,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563281859] [2023-11-19 08:04:54,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563281859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:04:54,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989288845] [2023-11-19 08:04:54,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:54,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:54,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:54,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:54,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:54,746 INFO L87 Difference]: Start difference. First operand 119 states and 178 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:04:54,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:54,802 INFO L93 Difference]: Finished difference Result 294 states and 442 transitions. [2023-11-19 08:04:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:54,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-11-19 08:04:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:54,806 INFO L225 Difference]: With dead ends: 294 [2023-11-19 08:04:54,806 INFO L226 Difference]: Without dead ends: 178 [2023-11-19 08:04:54,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 08:04:54,814 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 48 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:54,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 172 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:54,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-19 08:04:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2023-11-19 08:04:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 106 states have internal predecessors, (130), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-19 08:04:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 262 transitions. [2023-11-19 08:04:54,885 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 262 transitions. Word has length 142 [2023-11-19 08:04:54,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:54,887 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 262 transitions. [2023-11-19 08:04:54,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:04:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 262 transitions. [2023-11-19 08:04:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:04:54,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:54,897 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:54,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:04:54,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:54,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:54,898 INFO L85 PathProgramCache]: Analyzing trace with hash 938136280, now seen corresponding path program 1 times [2023-11-19 08:04:54,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:54,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456106214] [2023-11-19 08:04:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 08:04:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 08:04:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 08:04:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:04:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:04:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:04:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:04:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 08:04:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 08:04:55,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:55,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456106214] [2023-11-19 08:04:55,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456106214] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:55,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322099813] [2023-11-19 08:04:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:55,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:55,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:55,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:55,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:04:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:04:55,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-19 08:04:56,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 08:04:56,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322099813] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:56,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:04:56,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-19 08:04:56,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162142526] [2023-11-19 08:04:56,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:56,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:04:56,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:56,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:04:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:04:56,493 INFO L87 Difference]: Start difference. First operand 176 states and 262 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 08:04:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:57,065 INFO L93 Difference]: Finished difference Result 413 states and 594 transitions. [2023-11-19 08:04:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 08:04:57,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 142 [2023-11-19 08:04:57,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:57,070 INFO L225 Difference]: With dead ends: 413 [2023-11-19 08:04:57,070 INFO L226 Difference]: Without dead ends: 297 [2023-11-19 08:04:57,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=218, Unknown=0, NotChecked=0, Total=342 [2023-11-19 08:04:57,076 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 197 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:57,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 180 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:04:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-19 08:04:57,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 274. [2023-11-19 08:04:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 168 states have (on average 1.1964285714285714) internal successors, (201), 171 states have internal predecessors, (201), 96 states have call successors, (96), 9 states have call predecessors, (96), 9 states have return successors, (96), 93 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-19 08:04:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 393 transitions. [2023-11-19 08:04:57,147 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 393 transitions. Word has length 142 [2023-11-19 08:04:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:57,148 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 393 transitions. [2023-11-19 08:04:57,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 08:04:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 393 transitions. [2023-11-19 08:04:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:04:57,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:57,151 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:57,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:57,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:57,373 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:57,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:57,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1581823654, now seen corresponding path program 1 times [2023-11-19 08:04:57,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:57,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034838670] [2023-11-19 08:04:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:57,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:57,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:57,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:57,714 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:57,715 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:57,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:04:57,721 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 08:04:57,724 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:57,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:57 BoogieIcfgContainer [2023-11-19 08:04:57,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:57,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:57,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:57,826 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:57,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:52" (3/4) ... [2023-11-19 08:04:57,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:04:57,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:57,830 INFO L158 Benchmark]: Toolchain (without parser) took 7230.12ms. Allocated memory was 119.5MB in the beginning and 207.6MB in the end (delta: 88.1MB). Free memory was 75.0MB in the beginning and 86.0MB in the end (delta: -11.0MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2023-11-19 08:04:57,831 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 119.5MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:57,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.02ms. Allocated memory is still 119.5MB. Free memory was 75.0MB in the beginning and 59.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:04:57,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.70ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 141.1MB in the end (delta: -81.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:57,832 INFO L158 Benchmark]: Boogie Preprocessor took 107.77ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 139.8MB in the end (delta: 1.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-19 08:04:57,832 INFO L158 Benchmark]: RCFGBuilder took 762.11ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 114.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:57,833 INFO L158 Benchmark]: TraceAbstraction took 5785.82ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 113.9MB in the beginning and 86.0MB in the end (delta: 28.0MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:57,833 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 207.6MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:57,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 119.5MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.02ms. Allocated memory is still 119.5MB. Free memory was 75.0MB in the beginning and 59.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.70ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 141.1MB in the end (delta: -81.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.77ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 139.8MB in the end (delta: 1.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 762.11ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 114.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5785.82ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 113.9MB in the beginning and 86.0MB in the end (delta: 28.0MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 207.6MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someUnaryFLOAToperation at line 53, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] unsigned char last_1_var_1_15 = 0; VAL [isInitial=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] isInitial = 1 [L130] FCALL initially() [L131] int k_loop; [L132] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] COND TRUE k_loop < 1 [L133] CALL updateLastVariables() [L122] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L133] RET updateLastVariables() [L134] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L86] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L91] var_1_7 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L92] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L94] var_1_8 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L95] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L97] var_1_9 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L98] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L100] var_1_12 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L103] var_1_13 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L106] var_1_21 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L107] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L109] var_1_23 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L110] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L112] var_1_25 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L113] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L114] var_1_26 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L115] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L116] var_1_27 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L117] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L118] var_1_28 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L119] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L134] RET updateVariables() [L135] CALL step() [L47] COND FALSE !(\read(last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=51/5, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L50] COND FALSE !(\read(var_1_10)) [L53] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L55] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L56] var_1_15 = var_1_12 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L58] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L65] var_1_19 = var_1_2 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=256, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L67] COND TRUE var_1_24 != var_1_24 [L68] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L70] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L71] COND TRUE stepLocal_1 >= var_1_29 [L72] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L74] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L77] signed long int stepLocal_0 = var_1_2 - var_1_3; VAL [isInitial=1, last_1_var_1_15=0, stepLocal_0=120, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L78] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L79] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, stepLocal_0=120, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L135] RET step() [L136] CALL, EXPR property() [L125-L126] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_21=98313, var_1_23=-16383, var_1_24=98312, var_1_25=98310, var_1_26=98309, var_1_27=98311, var_1_28=98308, var_1_29=127, var_1_2=127, var_1_3=7, var_1_6=-16249, var_1_7=32767, var_1_8=32767, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 330 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 724 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 355 mSDtfsCounter, 206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 508 GetRequests, 485 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 4 MinimizatonAttempts, 43 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 846 ConstructedInterpolants, 0 QuantifiedInterpolants, 1788 SizeOfPredicates, 4 NumberOfNonLiveVariables, 343 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5454/5544 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 08:04:57,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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_698f9558-100a-4c39-89db-471bfd257e5e/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 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:00,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:00,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:05:00,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:00,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:00,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:00,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:00,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:00,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:00,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:00,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:00,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:00,894 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:00,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:00,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:00,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:00,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:00,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:00,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:00,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:00,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:00,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:00,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:05:00,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:05:00,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:00,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:00,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:00,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:00,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:00,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:00,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:00,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:00,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:00,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:00,904 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:05:00,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:00,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:00,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:00,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:00,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:00,905 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:05:00,906 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:00,906 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_698f9558-100a-4c39-89db-471bfd257e5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac [2023-11-19 08:05:01,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:01,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:01,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:01,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:01,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:01,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2023-11-19 08:05:04,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:05,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:05,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2023-11-19 08:05:05,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data/2dd8d8af5/e7fbff77b7c046d8a932bc7a84800b3f/FLAG249b01d74 [2023-11-19 08:05:05,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/data/2dd8d8af5/e7fbff77b7c046d8a932bc7a84800b3f [2023-11-19 08:05:05,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:05,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:05,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:05,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:05,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:05,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45725a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05, skipping insertion in model container [2023-11-19 08:05:05,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:05,383 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_698f9558-100a-4c39-89db-471bfd257e5e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2023-11-19 08:05:05,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:05,549 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:05,568 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_698f9558-100a-4c39-89db-471bfd257e5e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2023-11-19 08:05:05,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:05,664 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:05,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05 WrapperNode [2023-11-19 08:05:05,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:05,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:05,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:05,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:05,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,753 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2023-11-19 08:05:05,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:05,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:05,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:05,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:05,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:05,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:05,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:05,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:05,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2023-11-19 08:05:05,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:05,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:05,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:05:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:05,995 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:05,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:13,326 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:13,339 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:13,344 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:13,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:13 BoogieIcfgContainer [2023-11-19 08:05:13,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:13,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:13,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:13,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:13,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:05" (1/3) ... [2023-11-19 08:05:13,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5877859e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:13, skipping insertion in model container [2023-11-19 08:05:13,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (2/3) ... [2023-11-19 08:05:13,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5877859e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:13, skipping insertion in model container [2023-11-19 08:05:13,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:13" (3/3) ... [2023-11-19 08:05:13,362 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-19.i [2023-11-19 08:05:13,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:13,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:13,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:13,446 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;@1b08af24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:13,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 08:05:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:05:13,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:13,474 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:13,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:13,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:13,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1699417632, now seen corresponding path program 1 times [2023-11-19 08:05:13,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:13,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259560381] [2023-11-19 08:05:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:13,501 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 08:05:13,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:13,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:13,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:15,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:05:15,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-19 08:05:15,124 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:15,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259560381] [2023-11-19 08:05:15,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259560381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:15,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:15,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:15,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552732580] [2023-11-19 08:05:15,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:15,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:15,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:15,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:15,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:15,186 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 08:05:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:15,222 INFO L93 Difference]: Finished difference Result 129 states and 217 transitions. [2023-11-19 08:05:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:15,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2023-11-19 08:05:15,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:15,233 INFO L225 Difference]: With dead ends: 129 [2023-11-19 08:05:15,234 INFO L226 Difference]: Without dead ends: 62 [2023-11-19 08:05:15,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 08:05:15,242 INFO L413 NwaCegarLoop]: 96 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, 96 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 08:05:15,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:15,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-19 08:05:15,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-19 08:05:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 08:05:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2023-11-19 08:05:15,291 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 142 [2023-11-19 08:05:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:15,292 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2023-11-19 08:05:15,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 08:05:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2023-11-19 08:05:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:05:15,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:15,297 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:15,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:15,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:15,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:15,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:15,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1758907752, now seen corresponding path program 1 times [2023-11-19 08:05:15,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086803387] [2023-11-19 08:05:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:15,508 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 08:05:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:15,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:15,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:16,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:05:16,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 08:05:20,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:20,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:20,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086803387] [2023-11-19 08:05:20,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086803387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:20,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:20,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:20,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237308202] [2023-11-19 08:05:20,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:20,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:20,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:20,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:20,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:05:20,213 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:05:22,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:24,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:26,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:29,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:31,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:33,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:35,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:35,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:35,643 INFO L93 Difference]: Finished difference Result 208 states and 307 transitions. [2023-11-19 08:05:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:05:35,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-11-19 08:05:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:35,805 INFO L225 Difference]: With dead ends: 208 [2023-11-19 08:05:35,805 INFO L226 Difference]: Without dead ends: 149 [2023-11-19 08:05:35,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:35,808 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 84 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:35,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 289 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 15.3s Time] [2023-11-19 08:05:35,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-19 08:05:35,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2023-11-19 08:05:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.25) internal successors, (90), 72 states have internal predecessors, (90), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 08:05:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 178 transitions. [2023-11-19 08:05:35,865 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 178 transitions. Word has length 142 [2023-11-19 08:05:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:35,868 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 178 transitions. [2023-11-19 08:05:35,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:05:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 178 transitions. [2023-11-19 08:05:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:05:35,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:35,874 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:35,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:36,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:36,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:36,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1524942294, now seen corresponding path program 1 times [2023-11-19 08:05:36,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:36,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472976729] [2023-11-19 08:05:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:36,087 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 08:05:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:36,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:36,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:37,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 08:05:40,827 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:40,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472976729] [2023-11-19 08:05:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472976729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:40,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:40,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:40,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005829911] [2023-11-19 08:05:40,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:40,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:40,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:40,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:40,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:40,831 INFO L87 Difference]: Start difference. First operand 119 states and 178 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:05:43,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:45,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:05:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:45,949 INFO L93 Difference]: Finished difference Result 351 states and 528 transitions. [2023-11-19 08:05:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:46,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-11-19 08:05:46,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:46,087 INFO L225 Difference]: With dead ends: 351 [2023-11-19 08:05:46,087 INFO L226 Difference]: Without dead ends: 235 [2023-11-19 08:05:46,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 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 08:05:46,091 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 23 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:46,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 173 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2023-11-19 08:05:46,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-19 08:05:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2023-11-19 08:05:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 140 states have (on average 1.2285714285714286) internal successors, (172), 140 states have internal predecessors, (172), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-19 08:05:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 348 transitions. [2023-11-19 08:05:46,185 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 348 transitions. Word has length 142 [2023-11-19 08:05:46,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:46,186 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 348 transitions. [2023-11-19 08:05:46,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 08:05:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 348 transitions. [2023-11-19 08:05:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 08:05:46,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:46,198 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:46,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:46,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:46,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:46,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:46,403 INFO L85 PathProgramCache]: Analyzing trace with hash 938136280, now seen corresponding path program 1 times [2023-11-19 08:05:46,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:46,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780987352] [2023-11-19 08:05:46,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:46,404 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 08:05:46,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:46,405 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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 08:05:46,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_698f9558-100a-4c39-89db-471bfd257e5e/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