./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e259d0d348361eebf16bf1e72a5d71337e9d01f69230834d61aaa75aa741f6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:34,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:34,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:13:34,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:34,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:34,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:34,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:34,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:34,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:34,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:34,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:34,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:34,998 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:34,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:35,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:13:35,000 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:13:35,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:13:35,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:13:35,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:35,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:13:35,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:35,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:13:35,005 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:13:35,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:13:35,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:35,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:35,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:35,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:35,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:35,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:35,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:35,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:13:35,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:13:35,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:13:35,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:35,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:13:35,012 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:35,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:35,013 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:35,013 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e259d0d348361eebf16bf1e72a5d71337e9d01f69230834d61aaa75aa741f6d [2023-11-12 02:13:35,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:35,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:35,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:35,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:35,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:35,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i [2023-11-12 02:13:38,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:38,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:38,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i [2023-11-12 02:13:38,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data/8748eea79/e46745ca8aee485db50e011598af9871/FLAGda9a1e406 [2023-11-12 02:13:38,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data/8748eea79/e46745ca8aee485db50e011598af9871 [2023-11-12 02:13:38,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:38,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:38,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:38,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:38,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:38,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:38" (1/1) ... [2023-11-12 02:13:38,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e1374b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:38, skipping insertion in model container [2023-11-12 02:13:38,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:38" (1/1) ... [2023-11-12 02:13:38,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:39,004 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_916f2249-658c-4648-80ba-28ccdf77a8a7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i[919,932] [2023-11-12 02:13:39,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:39,100 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:13:39,112 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_916f2249-658c-4648-80ba-28ccdf77a8a7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i[919,932] [2023-11-12 02:13:39,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:39,184 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:13:39,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39 WrapperNode [2023-11-12 02:13:39,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:39,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:39,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:13:39,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:13:39,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,294 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-12 02:13:39,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:39,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:13:39,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:13:39,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:13:39,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:13:39,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:13:39,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:13:39,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:13:39,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (1/1) ... [2023-11-12 02:13:39,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:39,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:13:39,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:13:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:13:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:13:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:13:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:13:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:13:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:13:39,609 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:13:39,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:13:40,042 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:13:40,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:13:40,050 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:13:40,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:40 BoogieIcfgContainer [2023-11-12 02:13:40,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:13:40,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:13:40,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:13:40,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:13:40,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:13:38" (1/3) ... [2023-11-12 02:13:40,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c34d49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:40, skipping insertion in model container [2023-11-12 02:13:40,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:39" (2/3) ... [2023-11-12 02:13:40,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c34d49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:40, skipping insertion in model container [2023-11-12 02:13:40,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:40" (3/3) ... [2023-11-12 02:13:40,088 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-94.i [2023-11-12 02:13:40,135 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:13:40,136 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:13:40,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:13:40,207 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60db7481, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:13:40,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:13:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:13:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 02:13:40,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:40,236 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:40,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:13:40,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1021161390, now seen corresponding path program 1 times [2023-11-12 02:13:40,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:40,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699881121] [2023-11-12 02:13:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:40,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:40,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:40,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699881121] [2023-11-12 02:13:40,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:13:40,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531521172] [2023-11-12 02:13:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:40,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:40,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:40,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:13:40,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:13:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:40,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:13:40,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:13:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-12 02:13:40,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:13:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531521172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:40,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:40,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:13:40,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127926835] [2023-11-12 02:13:40,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:40,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:13:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:40,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:13:40,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:13:40,925 INFO L87 Difference]: Start difference. First operand has 74 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 02:13:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:13:40,959 INFO L93 Difference]: Finished difference Result 141 states and 247 transitions. [2023-11-12 02:13:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:13:40,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 169 [2023-11-12 02:13:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:13:40,969 INFO L225 Difference]: With dead ends: 141 [2023-11-12 02:13:40,969 INFO L226 Difference]: Without dead ends: 70 [2023-11-12 02:13:40,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:13:40,976 INFO L413 NwaCegarLoop]: 106 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, 106 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 [2023-11-12 02:13:40,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:13:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-12 02:13:41,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-12 02:13:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:13:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2023-11-12 02:13:41,039 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 169 [2023-11-12 02:13:41,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:13:41,040 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2023-11-12 02:13:41,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 02:13:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2023-11-12 02:13:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 02:13:41,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:41,045 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:41,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:13:41,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:13:41,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:13:41,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:41,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2073139488, now seen corresponding path program 1 times [2023-11-12 02:13:41,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:41,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934796835] [2023-11-12 02:13:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:41,384 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:13:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774877465] [2023-11-12 02:13:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:41,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:41,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:13:41,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:13:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:41,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:13:41,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:13:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:13:41,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:13:41,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:41,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934796835] [2023-11-12 02:13:41,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:13:41,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774877465] [2023-11-12 02:13:41,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774877465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:41,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:41,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:13:41,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252424745] [2023-11-12 02:13:41,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:41,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:13:41,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:41,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:13:41,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:13:41,976 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:13:42,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:13:42,165 INFO L93 Difference]: Finished difference Result 213 states and 322 transitions. [2023-11-12 02:13:42,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:13:42,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2023-11-12 02:13:42,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:13:42,170 INFO L225 Difference]: With dead ends: 213 [2023-11-12 02:13:42,171 INFO L226 Difference]: Without dead ends: 146 [2023-11-12 02:13:42,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:13:42,174 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 83 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:13:42,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 294 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:13:42,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-12 02:13:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 137. [2023-11-12 02:13:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 80 states have (on average 1.25) internal successors, (100), 80 states have internal predecessors, (100), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 02:13:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 208 transitions. [2023-11-12 02:13:42,231 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 208 transitions. Word has length 169 [2023-11-12 02:13:42,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:13:42,236 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 208 transitions. [2023-11-12 02:13:42,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:13:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 208 transitions. [2023-11-12 02:13:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 02:13:42,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:42,248 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:42,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:13:42,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:42,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:13:42,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1212557600, now seen corresponding path program 1 times [2023-11-12 02:13:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619833439] [2023-11-12 02:13:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:42,523 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:13:42,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610460911] [2023-11-12 02:13:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:42,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:42,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:42,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:13:42,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:13:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:42,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:13:42,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:13:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:13:43,000 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:13:43,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:43,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619833439] [2023-11-12 02:13:43,002 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:13:43,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610460911] [2023-11-12 02:13:43,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610460911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:43,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:43,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:13:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749725341] [2023-11-12 02:13:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:43,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:13:43,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:43,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:13:43,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:13:43,008 INFO L87 Difference]: Start difference. First operand 137 states and 208 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:13:43,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:13:43,113 INFO L93 Difference]: Finished difference Result 405 states and 618 transitions. [2023-11-12 02:13:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:13:43,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2023-11-12 02:13:43,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:13:43,125 INFO L225 Difference]: With dead ends: 405 [2023-11-12 02:13:43,125 INFO L226 Difference]: Without dead ends: 271 [2023-11-12 02:13:43,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:13:43,131 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 20 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:13:43,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 209 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:13:43,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2023-11-12 02:13:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2023-11-12 02:13:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 154 states have (on average 1.2207792207792207) internal successors, (188), 154 states have internal predecessors, (188), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-12 02:13:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 404 transitions. [2023-11-12 02:13:43,250 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 404 transitions. Word has length 169 [2023-11-12 02:13:43,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:13:43,251 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 404 transitions. [2023-11-12 02:13:43,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:13:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 404 transitions. [2023-11-12 02:13:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 02:13:43,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:43,257 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:43,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:13:43,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:43,464 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:13:43,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:43,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2049948662, now seen corresponding path program 1 times [2023-11-12 02:13:43,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:43,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753297818] [2023-11-12 02:13:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:43,516 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:13:43,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897855783] [2023-11-12 02:13:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:43,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:43,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:13:43,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:13:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:43,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:13:43,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:13:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-12 02:13:44,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:13:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 02:13:44,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:44,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753297818] [2023-11-12 02:13:44,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:13:44,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897855783] [2023-11-12 02:13:44,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897855783] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:13:44,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:13:44,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-12 02:13:44,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804678890] [2023-11-12 02:13:44,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:13:44,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:13:44,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:44,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:13:44,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:13:44,326 INFO L87 Difference]: Start difference. First operand 267 states and 404 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-12 02:13:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:13:45,165 INFO L93 Difference]: Finished difference Result 847 states and 1255 transitions. [2023-11-12 02:13:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-12 02:13:45,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 170 [2023-11-12 02:13:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:13:45,172 INFO L225 Difference]: With dead ends: 847 [2023-11-12 02:13:45,172 INFO L226 Difference]: Without dead ends: 583 [2023-11-12 02:13:45,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 332 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-12 02:13:45,175 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 189 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:13:45,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 346 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:13:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2023-11-12 02:13:45,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 283. [2023-11-12 02:13:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 166 states have (on average 1.180722891566265) internal successors, (196), 166 states have internal predecessors, (196), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-12 02:13:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 412 transitions. [2023-11-12 02:13:45,252 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 412 transitions. Word has length 170 [2023-11-12 02:13:45,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:13:45,253 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 412 transitions. [2023-11-12 02:13:45,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-12 02:13:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 412 transitions. [2023-11-12 02:13:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 02:13:45,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:45,256 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:45,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:13:45,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:45,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:13:45,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:45,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1463142648, now seen corresponding path program 1 times [2023-11-12 02:13:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:45,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454333708] [2023-11-12 02:13:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:45,540 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:13:45,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458103978] [2023-11-12 02:13:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:45,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:45,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:45,549 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:13:45,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:13:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:13:45,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:13:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:13:46,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:13:46,003 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:13:46,005 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:13:46,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-12 02:13:46,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:13:46,218 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 02:13:46,222 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:13:46,345 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:13:46,347 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:13:46,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:13:46 BoogieIcfgContainer [2023-11-12 02:13:46,385 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:13:46,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:13:46,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:13:46,386 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:13:46,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:40" (3/4) ... [2023-11-12 02:13:46,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:13:46,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:13:46,392 INFO L158 Benchmark]: Toolchain (without parser) took 7633.79ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 122.2MB in the beginning and 69.1MB in the end (delta: 53.1MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,392 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 111.1MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:13:46,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.27ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 107.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.87ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,393 INFO L158 Benchmark]: Boogie Preprocessor took 81.00ms. Allocated memory is still 159.4MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,394 INFO L158 Benchmark]: RCFGBuilder took 679.72ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 78.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,394 INFO L158 Benchmark]: TraceAbstraction took 6304.16ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.0MB in the beginning and 70.2MB in the end (delta: 57.8MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,394 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 192.9MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:13:46,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 111.1MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.27ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 107.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.87ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.00ms. Allocated memory is still 159.4MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.72ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 78.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6304.16ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.0MB in the beginning and 70.2MB in the end (delta: 57.8MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 192.9MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 136, overapproximation of shiftLeft at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 1; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 50; [L27] double var_1_9 = 32.7; [L28] double var_1_10 = 64.25; [L29] double var_1_11 = 10.3; [L30] double var_1_12 = 3.3; [L31] double var_1_13 = 16.5; [L32] double var_1_14 = 7.125; [L33] unsigned short int var_1_15 = 50; [L34] unsigned short int var_1_16 = 16; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 64; [L37] unsigned long int var_1_19 = 16; [L38] signed short int var_1_20 = 100; [L39] signed short int var_1_21 = 2; [L40] signed short int var_1_22 = 8; [L41] signed long int var_1_23 = -4; [L42] unsigned short int var_1_24 = 128; [L43] signed long int var_1_25 = 2; [L44] unsigned short int var_1_26 = 256; [L45] unsigned char var_1_27 = 0; [L46] signed long int last_1_var_1_8 = 50; [L47] unsigned long int last_1_var_1_19 = 16; [L48] unsigned char last_1_var_1_27 = 0; VAL [isInitial=0, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] CALL updateLastVariables() [L131] last_1_var_1_8 = var_1_8 [L132] last_1_var_1_19 = var_1_19 [L133] last_1_var_1_27 = var_1_27 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L143] RET updateLastVariables() [L144] CALL updateVariables() [L87] var_1_3 = __VERIFIER_nondet_char() [L88] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L88] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L89] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L89] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L90] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L90] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L93] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L93] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L94] var_1_7 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L96] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L96] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L97] var_1_10 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L98] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L99] var_1_11 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L100] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L101] var_1_12 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L102] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L103] var_1_13 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L104] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L105] var_1_14 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L106] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L107] var_1_16 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L108] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L109] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L109] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L110] var_1_17 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L112] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L112] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L113] var_1_18 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L115] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L115] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L116] var_1_20 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L118] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L118] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L119] var_1_21 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L121] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L121] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L124] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L124] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L125] var_1_24 = __VERIFIER_nondet_ushort() [L126] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L127] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L127] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L128] CALL assume_abort_if_not(var_1_24 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L128] RET assume_abort_if_not(var_1_24 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L144] RET updateVariables() [L145] CALL step() [L52] EXPR -1 << last_1_var_1_19 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L52] COND TRUE (-1 << last_1_var_1_19) < var_1_3 [L53] COND FALSE !((last_1_var_1_19 / var_1_3) > (-1000000000 + last_1_var_1_19)) [L56] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L59] var_1_9 = (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L60] COND TRUE var_1_10 >= var_1_11 [L61] var_1_15 = ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L63] var_1_25 = -256 [L64] var_1_26 = var_1_17 [L65] var_1_27 = var_1_6 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L66] COND FALSE !(var_1_7 || var_1_1) [L77] var_1_8 = last_1_var_1_8 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=-4, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L79] COND TRUE var_1_6 || (var_1_16 <= (var_1_22 / var_1_24)) [L80] var_1_23 = (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L82] COND FALSE !((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR -1 << last_1_var_1_19 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L136-L137] return ((((((((((-1 << last_1_var_1_19) < var_1_3) ? (((last_1_var_1_19 / var_1_3) > (-1000000000 + last_1_var_1_19)) ? (var_1_1 == ((unsigned char) (last_1_var_1_27 || var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : 1) && ((var_1_7 || var_1_1) ? (((var_1_26 >= var_1_3) && var_1_1) ? (var_1_8 == ((signed long int) ((((var_1_3) < (var_1_26)) ? (var_1_3) : (var_1_26))))) : (var_1_1 ? (var_1_8 == ((signed long int) last_1_var_1_8)) : (var_1_8 == ((signed long int) last_1_var_1_8)))) : (var_1_8 == ((signed long int) last_1_var_1_8)))) && (var_1_9 == ((double) (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14)))))) && ((var_1_10 >= var_1_11) ? (var_1_15 == ((unsigned short int) ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))))) : 1)) && (((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) ? (var_1_19 == ((unsigned long int) ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_6 || (var_1_16 <= (var_1_22 / var_1_24))) ? (var_1_23 == ((signed long int) (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : 1)) && (var_1_25 == ((signed long int) -256))) && (var_1_26 == ((unsigned short int) var_1_17))) && (var_1_27 == ((unsigned char) var_1_6)) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=0, var_1_17=0, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=32767, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 955 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 553 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 402 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 861 GetRequests, 833 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 313 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1016 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 2222 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1631 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 6882/7020 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 [2023-11-12 02:13:46,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e259d0d348361eebf16bf1e72a5d71337e9d01f69230834d61aaa75aa741f6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:49,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:49,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:13:49,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:49,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:49,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:49,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:49,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:49,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:49,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:49,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:49,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:49,423 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:49,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:49,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:13:49,426 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:13:49,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:13:49,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:49,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:13:49,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:49,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:13:49,430 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:13:49,430 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:13:49,431 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:13:49,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:13:49,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:13:49,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:49,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:49,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:49,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:49,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:49,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:49,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:49,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:13:49,437 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:13:49,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:13:49,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:49,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:13:49,438 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:49,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:49,439 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:13:49,440 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:49,440 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_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e259d0d348361eebf16bf1e72a5d71337e9d01f69230834d61aaa75aa741f6d [2023-11-12 02:13:49,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:49,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:49,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:49,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:49,956 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:49,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i [2023-11-12 02:13:53,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:53,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:53,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i [2023-11-12 02:13:53,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data/5ca6354ad/b0f83e30e5924ca7a250c97ddaa13e51/FLAGb6b26c5c1 [2023-11-12 02:13:53,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/data/5ca6354ad/b0f83e30e5924ca7a250c97ddaa13e51 [2023-11-12 02:13:53,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:53,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:53,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:53,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:53,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:53,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4814a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53, skipping insertion in model container [2023-11-12 02:13:53,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:53,632 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_916f2249-658c-4648-80ba-28ccdf77a8a7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i[919,932] [2023-11-12 02:13:53,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:53,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:13:53,789 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_916f2249-658c-4648-80ba-28ccdf77a8a7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-94.i[919,932] [2023-11-12 02:13:53,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:53,887 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:13:53,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53 WrapperNode [2023-11-12 02:13:53,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:53,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:53,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:13:53,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:13:53,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,972 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-12 02:13:53,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:53,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:13:53,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:13:53,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:13:53,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:13:54,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:13:54,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:13:54,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:13:54,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:54,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:54,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:13:54,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:13:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:13:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:13:54,293 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:13:54,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:13:58,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:13:58,903 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:13:58,904 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:13:58,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:58 BoogieIcfgContainer [2023-11-12 02:13:58,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:13:58,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:13:58,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:13:58,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:13:58,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:13:53" (1/3) ... [2023-11-12 02:13:58,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1646e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:58, skipping insertion in model container [2023-11-12 02:13:58,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (2/3) ... [2023-11-12 02:13:58,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1646e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:58, skipping insertion in model container [2023-11-12 02:13:58,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:58" (3/3) ... [2023-11-12 02:13:58,915 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-94.i [2023-11-12 02:13:58,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:13:58,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:13:58,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:13:59,000 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f0b1854, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:13:59,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:13:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:13:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-12 02:13:59,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:59,024 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:59,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:13:59,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:59,029 INFO L85 PathProgramCache]: Analyzing trace with hash -11235031, now seen corresponding path program 1 times [2023-11-12 02:13:59,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:13:59,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763540615] [2023-11-12 02:13:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:59,044 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 [2023-11-12 02:13:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:13:59,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:13:59,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:13:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:59,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:13:59,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:13:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-12 02:13:59,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:13:59,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:13:59,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763540615] [2023-11-12 02:13:59,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763540615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:59,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:59,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:13:59,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291111981] [2023-11-12 02:13:59,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:59,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:13:59,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:13:59,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:13:59,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:13:59,844 INFO L87 Difference]: Start difference. First operand has 71 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 02:13:59,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:13:59,905 INFO L93 Difference]: Finished difference Result 135 states and 237 transitions. [2023-11-12 02:13:59,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:13:59,908 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 166 [2023-11-12 02:13:59,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:13:59,915 INFO L225 Difference]: With dead ends: 135 [2023-11-12 02:13:59,916 INFO L226 Difference]: Without dead ends: 67 [2023-11-12 02:13:59,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:13:59,924 INFO L413 NwaCegarLoop]: 101 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, 101 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 [2023-11-12 02:13:59,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:13:59,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-12 02:13:59,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-12 02:13:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:13:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2023-11-12 02:13:59,984 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 166 [2023-11-12 02:13:59,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:13:59,985 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2023-11-12 02:13:59,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 02:13:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2023-11-12 02:13:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-12 02:13:59,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:13:59,999 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:00,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:00,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:00,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:00,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:00,221 INFO L85 PathProgramCache]: Analyzing trace with hash -914852041, now seen corresponding path program 1 times [2023-11-12 02:14:00,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:14:00,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825553066] [2023-11-12 02:14:00,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:00,223 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 [2023-11-12 02:14:00,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:14:00,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:14:00,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:00,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:14:00,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:14:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:14:01,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:14:01,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:14:01,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825553066] [2023-11-12 02:14:01,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825553066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:01,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:01,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:01,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160957284] [2023-11-12 02:14:01,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:01,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:14:01,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:14:01,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:14:01,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:14:01,708 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:14:04,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:14:05,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:14:08,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:14:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:08,165 INFO L93 Difference]: Finished difference Result 202 states and 304 transitions. [2023-11-12 02:14:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:14:08,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2023-11-12 02:14:08,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:08,199 INFO L225 Difference]: With dead ends: 202 [2023-11-12 02:14:08,199 INFO L226 Difference]: Without dead ends: 138 [2023-11-12 02:14:08,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:14:08,202 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 55 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:08,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 288 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2023-11-12 02:14:08,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-12 02:14:08,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 129. [2023-11-12 02:14:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 72 states have internal predecessors, (89), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 02:14:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 197 transitions. [2023-11-12 02:14:08,253 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 197 transitions. Word has length 166 [2023-11-12 02:14:08,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:08,256 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 197 transitions. [2023-11-12 02:14:08,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:14:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2023-11-12 02:14:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 02:14:08,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:08,264 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:08,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:08,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:08,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:08,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:08,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1950862965, now seen corresponding path program 1 times [2023-11-12 02:14:08,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:14:08,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513331851] [2023-11-12 02:14:08,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:08,479 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 [2023-11-12 02:14:08,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:14:08,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:14:08,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:09,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:14:09,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:14:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-12 02:14:09,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:14:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 02:14:10,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:14:10,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513331851] [2023-11-12 02:14:10,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513331851] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:14:10,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:14:10,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-12 02:14:10,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039972] [2023-11-12 02:14:10,362 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:14:10,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:14:10,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:14:10,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:14:10,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:14:10,365 INFO L87 Difference]: Start difference. First operand 129 states and 197 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-12 02:14:13,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:14:15,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:14:16,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:16,341 INFO L93 Difference]: Finished difference Result 537 states and 799 transitions. [2023-11-12 02:14:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-12 02:14:16,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 167 [2023-11-12 02:14:16,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:16,349 INFO L225 Difference]: With dead ends: 537 [2023-11-12 02:14:16,349 INFO L226 Difference]: Without dead ends: 411 [2023-11-12 02:14:16,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-12 02:14:16,353 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 218 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 207 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:16,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 243 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2023-11-12 02:14:16,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-12 02:14:16,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 210. [2023-11-12 02:14:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 122 states have internal predecessors, (145), 81 states have call successors, (81), 6 states have call predecessors, (81), 6 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-12 02:14:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 307 transitions. [2023-11-12 02:14:16,451 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 307 transitions. Word has length 167 [2023-11-12 02:14:16,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:16,452 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 307 transitions. [2023-11-12 02:14:16,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-12 02:14:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 307 transitions. [2023-11-12 02:14:16,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 02:14:16,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:16,455 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:16,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:16,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:14:16,668 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:16,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1249798387, now seen corresponding path program 1 times [2023-11-12 02:14:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:14:16,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836631166] [2023-11-12 02:14:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:16,670 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 [2023-11-12 02:14:16,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:14:16,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:14:16,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916f2249-658c-4648-80ba-28ccdf77a8a7/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 02:14:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:17,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-12 02:14:17,286 INFO L285 TraceCheckSpWp]: Computing forward predicates...