./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:38,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:39,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:39,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:39,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:39,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:39,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:39,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:39,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:39,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:39,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:39,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:39,129 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:39,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:39,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:39,132 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:39,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:39,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:39,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:39,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:39,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:39,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:39,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:39,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:39,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:39,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:39,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:39,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:39,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:39,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:39,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:39,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:39,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:39,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:39,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:39,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:39,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:39,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:39,143 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:39,143 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_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 [2023-11-06 21:59:39,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:39,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:39,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:39,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:39,563 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:39,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2023-11-06 21:59:43,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:43,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:43,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2023-11-06 21:59:43,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data/caf28a8c6/1cf146375b664843b81661d604dab4f7/FLAG383175681 [2023-11-06 21:59:43,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data/caf28a8c6/1cf146375b664843b81661d604dab4f7 [2023-11-06 21:59:43,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:43,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:43,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:43,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:43,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:43,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:43" (1/1) ... [2023-11-06 21:59:43,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27dc0a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:43, skipping insertion in model container [2023-11-06 21:59:43,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:43" (1/1) ... [2023-11-06 21:59:43,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:43,769 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_c6093206-4024-4ffd-8791-763b29120275/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2023-11-06 21:59:43,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:43,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:43,945 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_c6093206-4024-4ffd-8791-763b29120275/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2023-11-06 21:59:44,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:44,055 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:44,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44 WrapperNode [2023-11-06 21:59:44,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:44,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:44,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:44,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:44,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,132 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-06 21:59:44,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:44,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:44,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:44,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:44,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:44,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:44,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:44,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:44,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:44,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:44,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:44,479 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:44,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:45,027 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:45,036 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:45,037 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:45,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:45 BoogieIcfgContainer [2023-11-06 21:59:45,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:45,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:45,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:45,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:45,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:43" (1/3) ... [2023-11-06 21:59:45,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265e6154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:45, skipping insertion in model container [2023-11-06 21:59:45,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44" (2/3) ... [2023-11-06 21:59:45,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265e6154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:45, skipping insertion in model container [2023-11-06 21:59:45,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:45" (3/3) ... [2023-11-06 21:59:45,063 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-98.i [2023-11-06 21:59:45,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:45,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:45,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:45,220 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=LoopsAndPotentialCycles, 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;@42eaa724, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:45,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 21:59:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 21:59:45,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:45,258 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:45,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:45,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1937717717, now seen corresponding path program 1 times [2023-11-06 21:59:45,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:45,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9685424] [2023-11-06 21:59:45,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:45,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:45,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:45,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9685424] [2023-11-06 21:59:45,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 21:59:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224040086] [2023-11-06 21:59:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:45,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:45,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:45,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:45,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:59:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:46,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:59:46,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-06 21:59:46,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:46,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224040086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:46,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:46,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:46,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409977515] [2023-11-06 21:59:46,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:46,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:46,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:46,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:46,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:46,281 INFO L87 Difference]: Start difference. First operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:59:46,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:46,323 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2023-11-06 21:59:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:46,326 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2023-11-06 21:59:46,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:46,335 INFO L225 Difference]: With dead ends: 147 [2023-11-06 21:59:46,335 INFO L226 Difference]: Without dead ends: 73 [2023-11-06 21:59:46,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:46,345 INFO L413 NwaCegarLoop]: 112 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, 112 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 [2023-11-06 21:59:46,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:46,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-06 21:59:46,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-06 21:59:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 21:59:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2023-11-06 21:59:46,430 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2023-11-06 21:59:46,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:46,431 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2023-11-06 21:59:46,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:59:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2023-11-06 21:59:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 21:59:46,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:46,438 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:46,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 21:59:46,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:46,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:46,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:46,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2892729, now seen corresponding path program 1 times [2023-11-06 21:59:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:46,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370096911] [2023-11-06 21:59:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:46,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:46,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290759410] [2023-11-06 21:59:46,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:46,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:46,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:46,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:46,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:59:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:59:47,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 21:59:47,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:47,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370096911] [2023-11-06 21:59:47,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:47,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290759410] [2023-11-06 21:59:47,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290759410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:47,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:47,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:59:47,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904448897] [2023-11-06 21:59:47,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:47,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:59:47,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:47,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:59:47,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:59:47,184 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 21:59:47,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:47,270 INFO L93 Difference]: Finished difference Result 211 states and 326 transitions. [2023-11-06 21:59:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:59:47,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-06 21:59:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:47,277 INFO L225 Difference]: With dead ends: 211 [2023-11-06 21:59:47,277 INFO L226 Difference]: Without dead ends: 141 [2023-11-06 21:59:47,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:59:47,281 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 99 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:47,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 293 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:47,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-06 21:59:47,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2023-11-06 21:59:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-06 21:59:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 213 transitions. [2023-11-06 21:59:47,326 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 213 transitions. Word has length 152 [2023-11-06 21:59:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:47,328 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 213 transitions. [2023-11-06 21:59:47,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 21:59:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2023-11-06 21:59:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 21:59:47,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:47,334 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:47,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:47,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:47,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:47,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:47,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1777900091, now seen corresponding path program 1 times [2023-11-06 21:59:47,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:47,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152803330] [2023-11-06 21:59:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:47,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:47,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235779000] [2023-11-06 21:59:47,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:47,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:47,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:47,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:47,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 21:59:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:59:47,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-06 21:59:48,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 21:59:48,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:48,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152803330] [2023-11-06 21:59:48,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:48,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235779000] [2023-11-06 21:59:48,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235779000] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:59:48,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:59:48,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 21:59:48,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520086555] [2023-11-06 21:59:48,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:59:48,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:59:48,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:48,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:59:48,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:59:48,383 INFO L87 Difference]: Start difference. First operand 139 states and 213 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 21:59:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:48,732 INFO L93 Difference]: Finished difference Result 291 states and 437 transitions. [2023-11-06 21:59:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:59:48,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2023-11-06 21:59:48,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:48,738 INFO L225 Difference]: With dead ends: 291 [2023-11-06 21:59:48,738 INFO L226 Difference]: Without dead ends: 155 [2023-11-06 21:59:48,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 21:59:48,742 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 175 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:48,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 195 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:59:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-06 21:59:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2023-11-06 21:59:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-06 21:59:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2023-11-06 21:59:48,783 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 152 [2023-11-06 21:59:48,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:48,785 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2023-11-06 21:59:48,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 21:59:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2023-11-06 21:59:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 21:59:48,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:48,790 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:48,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:48,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:48,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:48,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:48,998 INFO L85 PathProgramCache]: Analyzing trace with hash -16406676, now seen corresponding path program 1 times [2023-11-06 21:59:48,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:48,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549945755] [2023-11-06 21:59:48,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:48,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:49,106 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:49,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556078475] [2023-11-06 21:59:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:49,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:49,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:49,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:49,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 21:59:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:49,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 21:59:49,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-06 21:59:50,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 21:59:50,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:50,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549945755] [2023-11-06 21:59:50,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:50,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556078475] [2023-11-06 21:59:50,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556078475] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:59:50,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:59:50,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-06 21:59:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665949618] [2023-11-06 21:59:50,733 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:59:50,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 21:59:50,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:50,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 21:59:50,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:59:50,740 INFO L87 Difference]: Start difference. First operand 147 states and 216 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 21:59:51,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:51,842 INFO L93 Difference]: Finished difference Result 457 states and 670 transitions. [2023-11-06 21:59:51,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 21:59:51,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 153 [2023-11-06 21:59:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:51,854 INFO L225 Difference]: With dead ends: 457 [2023-11-06 21:59:51,854 INFO L226 Difference]: Without dead ends: 313 [2023-11-06 21:59:51,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2023-11-06 21:59:51,860 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 270 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:51,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 489 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 21:59:51,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-06 21:59:51,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 200. [2023-11-06 21:59:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 123 states have internal predecessors, (151), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-06 21:59:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 289 transitions. [2023-11-06 21:59:51,955 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 289 transitions. Word has length 153 [2023-11-06 21:59:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:51,958 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 289 transitions. [2023-11-06 21:59:51,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 21:59:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 289 transitions. [2023-11-06 21:59:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 21:59:51,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:51,968 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:51,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:52,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:52,182 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:52,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:52,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2010551382, now seen corresponding path program 1 times [2023-11-06 21:59:52,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:52,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008011183] [2023-11-06 21:59:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:52,243 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:52,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868457749] [2023-11-06 21:59:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:52,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:52,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:52,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:52,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 21:59:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:52,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 21:59:52,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 463 proven. 45 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2023-11-06 21:59:53,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 21:59:54,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:54,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008011183] [2023-11-06 21:59:54,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:54,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868457749] [2023-11-06 21:59:54,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868457749] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:59:54,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:59:54,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-06 21:59:54,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94937523] [2023-11-06 21:59:54,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:59:54,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 21:59:54,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:54,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 21:59:54,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-06 21:59:54,684 INFO L87 Difference]: Start difference. First operand 200 states and 289 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 6 states have call successors, (46), 4 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 6 states have call successors, (46) [2023-11-06 21:59:55,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:55,977 INFO L93 Difference]: Finished difference Result 534 states and 773 transitions. [2023-11-06 21:59:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 21:59:55,978 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 6 states have call successors, (46), 4 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 6 states have call successors, (46) Word has length 153 [2023-11-06 21:59:55,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:55,984 INFO L225 Difference]: With dead ends: 534 [2023-11-06 21:59:55,984 INFO L226 Difference]: Without dead ends: 390 [2023-11-06 21:59:55,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=265, Unknown=0, NotChecked=0, Total=420 [2023-11-06 21:59:55,988 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 439 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:55,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 400 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 21:59:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-11-06 21:59:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 280. [2023-11-06 21:59:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 176 states have (on average 1.2443181818181819) internal successors, (219), 176 states have internal predecessors, (219), 92 states have call successors, (92), 11 states have call predecessors, (92), 11 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-06 21:59:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 403 transitions. [2023-11-06 21:59:56,110 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 403 transitions. Word has length 153 [2023-11-06 21:59:56,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:56,112 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 403 transitions. [2023-11-06 21:59:56,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 6 states have call successors, (46), 4 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 6 states have call successors, (46) [2023-11-06 21:59:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 403 transitions. [2023-11-06 21:59:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 21:59:56,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:56,118 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:56,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:56,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:56,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:56,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:56,329 INFO L85 PathProgramCache]: Analyzing trace with hash 696068012, now seen corresponding path program 1 times [2023-11-06 21:59:56,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:56,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050446084] [2023-11-06 21:59:56,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:56,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:56,373 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:56,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1751663846] [2023-11-06 21:59:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:56,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:56,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:56,376 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:56,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 21:59:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:56,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 21:59:56,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 546 proven. 126 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-06 22:00:07,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:00:41,974 WARN L293 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:00:41,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:00:41,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050446084] [2023-11-06 22:00:41,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:00:41,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751663846] [2023-11-06 22:00:41,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751663846] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:00:41,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:00:41,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2023-11-06 22:00:41,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337559183] [2023-11-06 22:00:41,981 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:00:41,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-06 22:00:41,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:00:41,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-06 22:00:41,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1168, Unknown=2, NotChecked=0, Total=1406 [2023-11-06 22:00:41,985 INFO L87 Difference]: Start difference. First operand 280 states and 403 transitions. Second operand has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 25 states have internal predecessors, (65), 7 states have call successors, (23), 7 states have call predecessors, (23), 9 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2023-11-06 22:00:48,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:00:59,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:05,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:09,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:14,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:01:23,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:26,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:29,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:31,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:35,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:37,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:40,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:51,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:51,291 INFO L93 Difference]: Finished difference Result 694 states and 942 transitions. [2023-11-06 22:01:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-06 22:01:51,297 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 25 states have internal predecessors, (65), 7 states have call successors, (23), 7 states have call predecessors, (23), 9 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) Word has length 153 [2023-11-06 22:01:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:51,307 INFO L225 Difference]: With dead ends: 694 [2023-11-06 22:01:51,307 INFO L226 Difference]: Without dead ends: 550 [2023-11-06 22:01:51,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2328 ImplicationChecksByTransitivity, 46.7s TimeCoverageRelationStatistics Valid=1787, Invalid=6582, Unknown=3, NotChecked=0, Total=8372 [2023-11-06 22:01:51,315 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 616 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 192 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:51,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 1609 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1191 Invalid, 7 Unknown, 0 Unchecked, 43.5s Time] [2023-11-06 22:01:51,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-11-06 22:01:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 463. [2023-11-06 22:01:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 304 states have (on average 1.2203947368421053) internal successors, (371), 308 states have internal predecessors, (371), 126 states have call successors, (126), 32 states have call predecessors, (126), 32 states have return successors, (126), 122 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-06 22:01:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 623 transitions. [2023-11-06 22:01:51,587 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 623 transitions. Word has length 153 [2023-11-06 22:01:51,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:51,588 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 623 transitions. [2023-11-06 22:01:51,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 25 states have internal predecessors, (65), 7 states have call successors, (23), 7 states have call predecessors, (23), 9 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2023-11-06 22:01:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 623 transitions. [2023-11-06 22:01:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:01:51,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:51,592 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:51,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:51,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:51,801 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:51,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:51,801 INFO L85 PathProgramCache]: Analyzing trace with hash 303041002, now seen corresponding path program 1 times [2023-11-06 22:01:51,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:51,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995838303] [2023-11-06 22:01:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:51,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:51,842 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:51,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374343104] [2023-11-06 22:01:51,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:51,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:51,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:51,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:51,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:01:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:01:52,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:01:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:01:52,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:01:52,436 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:01:52,438 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:01:52,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:52,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:52,657 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:52,663 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:01:52,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:01:52 BoogieIcfgContainer [2023-11-06 22:01:52,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:01:52,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:01:52,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:01:52,843 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:01:52,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:45" (3/4) ... [2023-11-06 22:01:52,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:01:52,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:01:52,848 INFO L158 Benchmark]: Toolchain (without parser) took 129408.51ms. Allocated memory was 144.7MB in the beginning and 375.4MB in the end (delta: 230.7MB). Free memory was 98.3MB in the beginning and 250.8MB in the end (delta: -152.5MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2023-11-06 22:01:52,849 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:01:52,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.02ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 83.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:01:52,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.49ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 80.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:01:52,850 INFO L158 Benchmark]: Boogie Preprocessor took 54.56ms. Allocated memory is still 144.7MB. Free memory was 80.2MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:01:52,851 INFO L158 Benchmark]: RCFGBuilder took 850.41ms. Allocated memory is still 144.7MB. Free memory was 78.3MB in the beginning and 56.4MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:01:52,851 INFO L158 Benchmark]: TraceAbstraction took 127798.64ms. Allocated memory was 144.7MB in the beginning and 375.4MB in the end (delta: 230.7MB). Free memory was 55.6MB in the beginning and 250.8MB in the end (delta: -195.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-06 22:01:52,851 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 375.4MB. Free memory is still 250.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:01:52,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.02ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 83.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.49ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 80.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.56ms. Allocated memory is still 144.7MB. Free memory was 80.2MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.41ms. Allocated memory is still 144.7MB. Free memory was 78.3MB in the beginning and 56.4MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 127798.64ms. Allocated memory was 144.7MB in the beginning and 375.4MB in the end (delta: 230.7MB). Free memory was 55.6MB in the beginning and 250.8MB in the end (delta: -195.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 375.4MB. Free memory is still 250.8MB. 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 172, overapproximation of someBinaryArithmeticFLOAToperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] unsigned long int var_1_4 = 128; [L24] signed char var_1_5 = 100; [L25] signed char var_1_6 = 5; [L26] signed char var_1_7 = 25; [L27] signed long int var_1_8 = 0; [L28] signed long int var_1_9 = 100; [L29] signed char var_1_10 = 10; [L30] unsigned char var_1_11 = 1; [L31] unsigned char var_1_12 = 0; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 63.5; [L34] float var_1_16 = 0.0; [L35] float var_1_17 = 8.16; [L36] float var_1_18 = 4.625; [L37] float var_1_19 = 1000000.2; [L38] float var_1_20 = 5.2; [L39] signed char var_1_21 = 8; [L40] signed long int var_1_22 = 64; [L41] signed char var_1_24 = 10; [L42] float var_1_25 = 0.0; [L43] float var_1_26 = 128.55; [L44] signed char var_1_27 = 16; [L45] unsigned long int var_1_28 = 256; [L46] signed short int var_1_29 = -128; [L47] signed char last_1_var_1_10 = 10; [L48] signed long int last_1_var_1_22 = 64; [L49] unsigned long int last_1_var_1_28 = 256; VAL [isInitial=0, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L176] isInitial = 1 [L177] FCALL initially() [L178] COND TRUE 1 [L179] CALL updateLastVariables() [L167] last_1_var_1_10 = var_1_10 [L168] last_1_var_1_22 = var_1_22 [L169] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L179] RET updateLastVariables() [L180] CALL updateVariables() [L128] var_1_4 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L129] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L130] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L130] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L131] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L131] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L132] var_1_5 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_5 >= 62) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L133] RET assume_abort_if_not(var_1_5 >= 62) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L134] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L134] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L135] var_1_6 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=25, var_1_8=0, var_1_9=100] [L136] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=25, var_1_8=0, var_1_9=100] [L137] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=25, var_1_8=0, var_1_9=100] [L137] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=25, var_1_8=0, var_1_9=100] [L138] var_1_7 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=100] [L139] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=100] [L140] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=100] [L140] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=100] [L141] var_1_9 = __VERIFIER_nondet_long() [L142] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L142] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L143] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L143] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L144] var_1_12 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L145] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L146] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L146] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L147] var_1_14 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L148] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L149] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L149] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L150] var_1_16 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_16 >= 4611686.018427382800e+12F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L151] RET assume_abort_if_not((var_1_16 >= 4611686.018427382800e+12F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L152] var_1_17 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L153] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L154] var_1_18 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L155] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L156] var_1_19 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L157] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L158] var_1_25 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_25 >= 4611686.018427387900e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L159] RET assume_abort_if_not((var_1_25 >= 4611686.018427387900e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L160] var_1_26 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L161] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L162] var_1_27 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L163] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L164] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L164] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L180] RET updateVariables() [L181] CALL step() [L53] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L56] COND FALSE !(last_1_var_1_10 >= (var_1_6 + last_1_var_1_22)) [L59] var_1_21 = var_1_7 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L62] COND FALSE !(last_1_var_1_28 <= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L65] COND TRUE \read(var_1_12) [L66] var_1_11 = (((var_1_20 + 31.75f) <= 4.2f) && var_1_14) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L68] signed char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=50] [L69] COND TRUE stepLocal_0 != var_1_4 [L70] var_1_8 = ((var_1_7 + ((((var_1_6) > (var_1_5)) ? (var_1_6) : (var_1_5)))) - var_1_9) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L74] var_1_15 = ((((((var_1_16 - var_1_17)) > (var_1_18)) ? ((var_1_16 - var_1_17)) : (var_1_18))) - var_1_19) [L75] unsigned char stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=10, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L76] COND TRUE var_1_17 > (((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))) - (var_1_25 - var_1_26)) [L77] var_1_24 = (32 - (var_1_6 + var_1_27)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L89] signed long int stepLocal_1 = var_1_24 + (var_1_5 - var_1_7); VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L90] COND FALSE !(var_1_6 >= stepLocal_1) [L93] var_1_10 = var_1_7 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_3=0, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=256, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L95] COND FALSE !(\read(var_1_11)) [L104] var_1_28 = ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_3=0, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L106] unsigned char stepLocal_2 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_2=0, stepLocal_3=0, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=64, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L107] COND FALSE !(stepLocal_2 && var_1_11) [L110] var_1_22 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_2=0, stepLocal_3=0, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=3, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L112] COND FALSE !(10u <= ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_2=0, stepLocal_3=0, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=3, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=-128, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L117] COND FALSE !((var_1_8 > var_1_22) && (var_1_19 < (var_1_15 / var_1_16))) [L124] var_1_29 = var_1_27 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=3, stepLocal_1=77, stepLocal_2=0, stepLocal_3=0, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=3, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=12, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L181] RET step() [L182] CALL, EXPR property() [L172-L173] return (((((((((((10u <= ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) ? ((((((16u) < (var_1_22)) ? (16u) : (var_1_22))) >= (var_1_8 % var_1_4)) ? (var_1_1 == ((signed char) ((var_1_5 - var_1_6) - var_1_7))) : 1) : 1) && ((var_1_7 != var_1_4) ? (var_1_8 == ((signed long int) ((var_1_7 + ((((var_1_6) > (var_1_5)) ? (var_1_6) : (var_1_5)))) - var_1_9))) : (var_1_8 == ((signed long int) var_1_21)))) && ((var_1_6 >= (var_1_24 + (var_1_5 - var_1_7))) ? (var_1_10 == ((signed char) (var_1_7 - var_1_6))) : (var_1_10 == ((signed char) var_1_7)))) && (var_1_12 ? (var_1_11 == ((unsigned char) (((var_1_20 + 31.75f) <= 4.2f) && var_1_14))) : 1)) && (var_1_15 == ((float) ((((((var_1_16 - var_1_17)) > (var_1_18)) ? ((var_1_16 - var_1_17)) : (var_1_18))) - var_1_19)))) && ((last_1_var_1_28 <= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) ? (var_1_20 == ((float) ((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16))))) : 1)) && (var_1_14 ? (var_1_21 == ((signed char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) : ((last_1_var_1_10 >= (var_1_6 + last_1_var_1_22)) ? (var_1_21 == ((signed char) var_1_6)) : (var_1_21 == ((signed char) var_1_7))))) && ((var_1_11 && var_1_11) ? (var_1_22 == ((signed long int) (((((var_1_6 + var_1_10) + var_1_21) < 0 ) ? -((var_1_6 + var_1_10) + var_1_21) : ((var_1_6 + var_1_10) + var_1_21))))) : (var_1_22 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))))) && ((var_1_17 > (((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))) - (var_1_25 - var_1_26))) ? (var_1_24 == ((signed char) (32 - (var_1_6 + var_1_27)))) : ((var_1_11 && (var_1_11 && var_1_14)) ? (var_1_24 == ((signed char) (var_1_6 + var_1_27))) : ((var_1_15 >= var_1_18) ? (var_1_24 == ((signed char) var_1_6)) : (var_1_24 == ((signed char) var_1_27)))))) && (var_1_11 ? ((! (var_1_20 >= var_1_16)) ? (var_1_28 == ((unsigned long int) (var_1_27 + var_1_5))) : (((- var_1_26) < (- (var_1_15 + var_1_17))) ? (var_1_28 == ((unsigned long int) ((((var_1_7) > (var_1_27)) ? (var_1_7) : (var_1_27))))) : 1)) : (var_1_28 == ((unsigned long int) ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6))))))) && (((var_1_8 > var_1_22) && (var_1_19 < (var_1_15 / var_1_16))) ? ((var_1_27 != (var_1_7 - var_1_6)) ? (var_1_29 == ((signed short int) (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - ((10000 - var_1_5) + var_1_27)))) : (var_1_29 == ((signed short int) var_1_10))) : (var_1_29 == ((signed short int) var_1_27))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=3, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=12, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L182] RET, EXPR property() [L182] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=3, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=12, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=3, var_1_11=0, var_1_12=1, var_1_14=0, var_1_16=2, var_1_17=3, var_1_18=4, var_1_19=5, var_1_1=-2, var_1_20=26/5, var_1_21=3, var_1_22=3, var_1_24=18, var_1_25=6, var_1_26=7, var_1_27=12, var_1_28=3, var_1_29=12, var_1_4=4, var_1_5=62, var_1_6=2, var_1_7=3, var_1_8=15, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 127.5s, OverallIterations: 7, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 72.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 1656 SdHoareTripleChecker+Valid, 45.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1599 mSDsluCounter, 3098 SdHoareTripleChecker+Invalid, 44.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2392 mSDsCounter, 557 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2309 IncrementalHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 557 mSolverCounterUnsat, 706 mSDtfsCounter, 2309 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1466 GetRequests, 1329 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2432 ImplicationChecksByTransitivity, 47.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=6, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 320 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 49.5s InterpolantComputationTime, 1220 NumberOfCodeBlocks, 1220 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1364 ConstructedInterpolants, 6 QuantifiedInterpolants, 9749 SizeOfPredicates, 30 NumberOfNonLiveVariables, 2304 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 8742/9108 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 [2023-11-06 22:01:53,080 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 22:01:53,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:56,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:56,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:01:56,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:56,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:56,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:56,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:56,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:56,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:01:56,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:01:56,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:56,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:56,371 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:56,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:56,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:01:56,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:56,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:56,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:56,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:01:56,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:01:56,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:01:56,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:01:56,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:01:56,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:01:56,382 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:56,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:56,383 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:56,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:56,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:56,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:01:56,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:56,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:56,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:01:56,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:01:56,389 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:01:56,389 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:01:56,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:01:56,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:01:56,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:01:56,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:01:56,392 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:01:56,393 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:01:56,393 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_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 [2023-11-06 22:01:56,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:57,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:57,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:57,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:57,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:57,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2023-11-06 22:02:01,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:01,483 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:01,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2023-11-06 22:02:01,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data/1cbe7491c/8a39965e5fb549ccb38d871de180e6ca/FLAGe10c90299 [2023-11-06 22:02:01,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/data/1cbe7491c/8a39965e5fb549ccb38d871de180e6ca [2023-11-06 22:02:01,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:01,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:01,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:01,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:01,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:01,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:01" (1/1) ... [2023-11-06 22:02:01,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bae087d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:01, skipping insertion in model container [2023-11-06 22:02:01,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:01" (1/1) ... [2023-11-06 22:02:01,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:01,810 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_c6093206-4024-4ffd-8791-763b29120275/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2023-11-06 22:02:01,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:01,928 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:01,944 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_c6093206-4024-4ffd-8791-763b29120275/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2023-11-06 22:02:02,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:02,094 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:02,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02 WrapperNode [2023-11-06 22:02:02,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:02,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:02,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:02,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:02,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,211 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-11-06 22:02:02,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:02,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:02,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:02,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:02,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:02,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:02,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:02,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:02,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (1/1) ... [2023-11-06 22:02:02,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:02:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:02:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:02:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:02,547 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:02,551 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:09,305 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:09,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:09,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:02:09,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:09 BoogieIcfgContainer [2023-11-06 22:02:09,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:09,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:09,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:09,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:09,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:01" (1/3) ... [2023-11-06 22:02:09,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524aec53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:09, skipping insertion in model container [2023-11-06 22:02:09,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:02" (2/3) ... [2023-11-06 22:02:09,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524aec53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:09, skipping insertion in model container [2023-11-06 22:02:09,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:09" (3/3) ... [2023-11-06 22:02:09,330 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-98.i [2023-11-06 22:02:09,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:09,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:09,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:09,425 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=LoopsAndPotentialCycles, 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;@5394ca5b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:09,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:02:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:02:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:02:09,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:09,453 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:09,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:09,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:09,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1937717717, now seen corresponding path program 1 times [2023-11-06 22:02:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577475483] [2023-11-06 22:02:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:09,479 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 [2023-11-06 22:02:09,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:09,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:02:09,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:10,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:02:10,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-06 22:02:10,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:10,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:10,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577475483] [2023-11-06 22:02:10,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577475483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:10,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:10,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:10,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700432106] [2023-11-06 22:02:10,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:10,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:02:10,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:10,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:02:10,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:10,612 INFO L87 Difference]: Start difference. First operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:02:10,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:10,656 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2023-11-06 22:02:10,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:02:10,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2023-11-06 22:02:10,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:10,670 INFO L225 Difference]: With dead ends: 147 [2023-11-06 22:02:10,671 INFO L226 Difference]: Without dead ends: 73 [2023-11-06 22:02:10,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:10,681 INFO L413 NwaCegarLoop]: 112 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, 112 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 [2023-11-06 22:02:10,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:10,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-06 22:02:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-06 22:02:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:02:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2023-11-06 22:02:10,774 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2023-11-06 22:02:10,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:10,775 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2023-11-06 22:02:10,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:02:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2023-11-06 22:02:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:02:10,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:10,808 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:10,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:11,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:11,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:11,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:11,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2892729, now seen corresponding path program 1 times [2023-11-06 22:02:11,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:11,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185778122] [2023-11-06 22:02:11,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:11,012 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 [2023-11-06 22:02:11,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:11,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:02:11,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:11,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:02:11,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-06 22:02:12,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 22:02:12,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:12,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185778122] [2023-11-06 22:02:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185778122] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:12,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:12,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 22:02:12,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154634567] [2023-11-06 22:02:12,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:12,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:12,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:12,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:12,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:12,994 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 22:02:16,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:18,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:20,268 WARN L539 Checker$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 [] [2023-11-06 22:02:20,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:20,274 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2023-11-06 22:02:20,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:02:20,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2023-11-06 22:02:20,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:20,348 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:02:20,348 INFO L226 Difference]: Without dead ends: 81 [2023-11-06 22:02:20,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:20,351 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 72 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:20,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 195 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2023-11-06 22:02:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-06 22:02:20,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2023-11-06 22:02:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:02:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2023-11-06 22:02:20,377 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 152 [2023-11-06 22:02:20,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:20,378 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2023-11-06 22:02:20,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 22:02:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-06 22:02:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:02:20,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:20,383 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:20,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:20,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:20,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:20,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:20,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1791414038, now seen corresponding path program 1 times [2023-11-06 22:02:20,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:20,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513654628] [2023-11-06 22:02:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:20,611 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 [2023-11-06 22:02:20,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:20,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:02:20,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:21,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:02:21,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-11-06 22:02:25,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:27,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513654628] [2023-11-06 22:02:27,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513654628] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1829072734] [2023-11-06 22:02:27,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:27,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:02:27,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:02:27,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:02:27,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-06 22:02:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:27,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:02:27,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:02:28,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:28,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1829072734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:28,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:02:28,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2023-11-06 22:02:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831321905] [2023-11-06 22:02:28,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:28,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:28,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:28,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:02:28,021 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:02:30,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:32,750 WARN L539 Checker$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 [] [2023-11-06 22:02:33,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:33,291 INFO L93 Difference]: Finished difference Result 223 states and 329 transitions. [2023-11-06 22:02:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:33,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2023-11-06 22:02:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:33,296 INFO L225 Difference]: With dead ends: 223 [2023-11-06 22:02:33,296 INFO L226 Difference]: Without dead ends: 149 [2023-11-06 22:02:33,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:02:33,300 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 98 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:33,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 290 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2023-11-06 22:02:33,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-06 22:02:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2023-11-06 22:02:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-06 22:02:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2023-11-06 22:02:33,334 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 153 [2023-11-06 22:02:33,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:33,336 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2023-11-06 22:02:33,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:02:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2023-11-06 22:02:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:02:33,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:33,341 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:33,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:02:33,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:33,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:02:33,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:33,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:33,757 INFO L85 PathProgramCache]: Analyzing trace with hash -16406676, now seen corresponding path program 1 times [2023-11-06 22:02:33,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:33,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321824659] [2023-11-06 22:02:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:33,758 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 [2023-11-06 22:02:33,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:33,764 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:02:33,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:02:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:34,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:02:34,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-11-06 22:02:38,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:39,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:39,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321824659] [2023-11-06 22:02:39,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321824659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:39,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1570050425] [2023-11-06 22:02:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:39,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:02:39,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:02:39,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:02:39,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-06 22:02:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:42,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:02:42,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-06 22:02:44,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:45,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1570050425] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:45,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:45,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2023-11-06 22:02:45,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542468196] [2023-11-06 22:02:45,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:45,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:02:45,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:45,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:02:45,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:02:45,151 INFO L87 Difference]: Start difference. First operand 147 states and 216 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-06 22:02:48,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:52,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:54,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:56,167 WARN L539 Checker$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 [] [2023-11-06 22:02:58,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:00,175 WARN L539 Checker$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 [] [2023-11-06 22:03:02,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:04,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:07,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:09,004 WARN L539 Checker$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 [] [2023-11-06 22:03:11,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:13,014 WARN L539 Checker$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 [] [2023-11-06 22:03:15,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:17,023 WARN L539 Checker$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 [] [2023-11-06 22:03:19,025 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 [] [2023-11-06 22:03:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:19,027 INFO L93 Difference]: Finished difference Result 389 states and 566 transitions. [2023-11-06 22:03:19,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:03:19,098 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 153 [2023-11-06 22:03:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:19,102 INFO L225 Difference]: With dead ends: 389 [2023-11-06 22:03:19,102 INFO L226 Difference]: Without dead ends: 245 [2023-11-06 22:03:19,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=236, Invalid=414, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:03:19,105 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 62 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:19,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 585 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 268 Invalid, 14 Unknown, 0 Unchecked, 33.3s Time] [2023-11-06 22:03:19,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-06 22:03:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 204. [2023-11-06 22:03:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 126 states have internal predecessors, (154), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-06 22:03:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 292 transitions. [2023-11-06 22:03:19,174 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 292 transitions. Word has length 153 [2023-11-06 22:03:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:19,175 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 292 transitions. [2023-11-06 22:03:19,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-06 22:03:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 292 transitions. [2023-11-06 22:03:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:03:19,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:19,179 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:19,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:19,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:19,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:03:19,592 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:19,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:19,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2010551382, now seen corresponding path program 1 times [2023-11-06 22:03:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778085568] [2023-11-06 22:03:19,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:19,595 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 [2023-11-06 22:03:19,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:19,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:03:19,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/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 (8)] Waiting until timeout for monitored process [2023-11-06 22:03:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:20,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:03:20,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-06 22:03:21,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:03:22,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:03:22,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778085568] [2023-11-06 22:03:22,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778085568] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:03:22,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [835052752] [2023-11-06 22:03:22,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:22,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:03:22,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:03:22,989 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:03:22,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6093206-4024-4ffd-8791-763b29120275/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-06 22:03:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:24,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:03:24,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-06 22:03:26,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:03:27,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [835052752] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:03:27,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:03:27,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2023-11-06 22:03:27,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776378826] [2023-11-06 22:03:27,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:03:27,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:03:27,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:03:27,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:03:27,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:27,415 INFO L87 Difference]: Start difference. First operand 204 states and 292 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:03:30,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []