./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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_844d8966-04b1-4a70-b498-441894d179ed/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 b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:25,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:25,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:15:25,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:25,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:25,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:25,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:25,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:25,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:26,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:26,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:26,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:26,004 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:26,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:26,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:26,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:15:26,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:26,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:15:26,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:26,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:26,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:26,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:26,008 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:15:26,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:26,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:26,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:26,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:26,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:26,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:26,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:26,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:26,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:26,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:26,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:26,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:26,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:26,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:26,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:26,015 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:26,015 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_844d8966-04b1-4a70-b498-441894d179ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 [2023-11-12 02:15:26,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:26,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:26,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:26,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:26,341 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:26,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-12 02:15:29,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:29,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:29,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-12 02:15:29,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data/402aa6771/99972df231b641449dcdb5c9fd2f8733/FLAGc9d50d04f [2023-11-12 02:15:29,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data/402aa6771/99972df231b641449dcdb5c9fd2f8733 [2023-11-12 02:15:29,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:29,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:29,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:29,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:29,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:29,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79371ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29, skipping insertion in model container [2023-11-12 02:15:29,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:30,218 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_844d8966-04b1-4a70-b498-441894d179ed/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-12 02:15:30,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:30,369 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:30,383 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-12 02:15:30,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:30,483 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:30,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30 WrapperNode [2023-11-12 02:15:30,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:30,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:30,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:30,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:30,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,582 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-12 02:15:30,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:30,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:30,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:30,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:30,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:30,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:30,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:30,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:30,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (1/1) ... [2023-11-12 02:15:30,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:30,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:30,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:30,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:15:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:15:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:30,880 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:30,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:31,304 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:31,311 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:31,311 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:15:31,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:31 BoogieIcfgContainer [2023-11-12 02:15:31,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:31,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:31,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:31,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:31,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:29" (1/3) ... [2023-11-12 02:15:31,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fecd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:31, skipping insertion in model container [2023-11-12 02:15:31,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:30" (2/3) ... [2023-11-12 02:15:31,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fecd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:31, skipping insertion in model container [2023-11-12 02:15:31,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:31" (3/3) ... [2023-11-12 02:15:31,324 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-12 02:15:31,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:31,342 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:31,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:31,397 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;@7b47dc5d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:31,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:31,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 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 02:15:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 02:15:31,421 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:31,422 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 02:15:31,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:31,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:31,429 INFO L85 PathProgramCache]: Analyzing trace with hash -80032032, now seen corresponding path program 1 times [2023-11-12 02:15:31,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366522076] [2023-11-12 02:15:31,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:31,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366522076] [2023-11-12 02:15:31,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:15:31,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899114162] [2023-11-12 02:15:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:31,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:31,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:31,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:15:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:15:32,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:32,095 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 02:15:32,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899114162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:32,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:32,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:15:32,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434131454] [2023-11-12 02:15:32,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:32,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:15:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:32,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:15:32,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:15:32,150 INFO L87 Difference]: Start difference. First operand has 76 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 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 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 02:15:32,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:32,193 INFO L93 Difference]: Finished difference Result 149 states and 254 transitions. [2023-11-12 02:15:32,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:15:32,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 170 [2023-11-12 02:15:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:32,209 INFO L225 Difference]: With dead ends: 149 [2023-11-12 02:15:32,210 INFO L226 Difference]: Without dead ends: 72 [2023-11-12 02:15:32,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 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 02:15:32,220 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:32,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:15:32,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-12 02:15:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-12 02:15:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 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 02:15:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 108 transitions. [2023-11-12 02:15:32,326 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 108 transitions. Word has length 170 [2023-11-12 02:15:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:32,327 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 108 transitions. [2023-11-12 02:15:32,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 02:15:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2023-11-12 02:15:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 02:15:32,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:32,342 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 02:15:32,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:32,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:32,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:32,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:32,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1514078738, now seen corresponding path program 1 times [2023-11-12 02:15:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:32,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561482914] [2023-11-12 02:15:32,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:32,714 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:32,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190899714] [2023-11-12 02:15:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:32,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:32,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:32,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:15:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:15:32,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:33,298 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 02:15:33,299 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:33,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:33,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561482914] [2023-11-12 02:15:33,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:33,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190899714] [2023-11-12 02:15:33,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190899714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:33,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:33,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:15:33,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029474839] [2023-11-12 02:15:33,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:33,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:33,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:33,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:33,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:33,305 INFO L87 Difference]: Start difference. First operand 72 states and 108 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 02:15:33,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:33,590 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2023-11-12 02:15:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:15:33,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 170 [2023-11-12 02:15:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:33,595 INFO L225 Difference]: With dead ends: 220 [2023-11-12 02:15:33,596 INFO L226 Difference]: Without dead ends: 151 [2023-11-12 02:15:33,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 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 02:15:33,599 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 88 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:33,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 298 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:15:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-12 02:15:33,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 141. [2023-11-12 02:15:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 84 states have internal predecessors, (104), 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 02:15:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 212 transitions. [2023-11-12 02:15:33,644 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 212 transitions. Word has length 170 [2023-11-12 02:15:33,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:33,645 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 212 transitions. [2023-11-12 02:15:33,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 02:15:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2023-11-12 02:15:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 02:15:33,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:33,650 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 02:15:33,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:33,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-12 02:15:33,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:33,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:33,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1502871922, now seen corresponding path program 1 times [2023-11-12 02:15:33,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:33,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908567440] [2023-11-12 02:15:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:33,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:33,978 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:33,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746035277] [2023-11-12 02:15:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:33,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:33,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:33,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:34,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:15:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:15:34,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:34,545 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 02:15:34,552 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:34,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:34,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908567440] [2023-11-12 02:15:34,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:34,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746035277] [2023-11-12 02:15:34,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746035277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:34,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:34,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:15:34,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968306612] [2023-11-12 02:15:34,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:34,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:34,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:34,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:34,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:15:34,560 INFO L87 Difference]: Start difference. First operand 141 states and 212 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 02:15:34,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:34,645 INFO L93 Difference]: Finished difference Result 417 states and 630 transitions. [2023-11-12 02:15:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:34,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 170 [2023-11-12 02:15:34,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:34,652 INFO L225 Difference]: With dead ends: 417 [2023-11-12 02:15:34,652 INFO L226 Difference]: Without dead ends: 279 [2023-11-12 02:15:34,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 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 02:15:34,655 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 21 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 214 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 02:15:34,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 214 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:15:34,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-11-12 02:15:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 275. [2023-11-12 02:15:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 162 states have (on average 1.2098765432098766) internal successors, (196), 162 states have internal predecessors, (196), 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 02:15:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 412 transitions. [2023-11-12 02:15:34,731 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 412 transitions. Word has length 170 [2023-11-12 02:15:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:34,732 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 412 transitions. [2023-11-12 02:15:34,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 02:15:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 412 transitions. [2023-11-12 02:15:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 02:15:34,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:34,736 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, 1] [2023-11-12 02:15:34,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:34,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:34,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:34,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1835209244, now seen corresponding path program 1 times [2023-11-12 02:15:34,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:34,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100057934] [2023-11-12 02:15:34,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:34,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:35,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:35,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326985045] [2023-11-12 02:15:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:35,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:35,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:35,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:35,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:15:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:15:35,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:35,558 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 02:15:35,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:15:35,909 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 02:15:35,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:35,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100057934] [2023-11-12 02:15:35,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:35,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326985045] [2023-11-12 02:15:35,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326985045] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:15:35,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:15:35,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-12 02:15:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587485315] [2023-11-12 02:15:35,912 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:15:35,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:15:35,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:35,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:15:35,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:15:35,917 INFO L87 Difference]: Start difference. First operand 275 states and 412 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 02:15:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:36,724 INFO L93 Difference]: Finished difference Result 871 states and 1279 transitions. [2023-11-12 02:15:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-12 02:15:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 171 [2023-11-12 02:15:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:36,732 INFO L225 Difference]: With dead ends: 871 [2023-11-12 02:15:36,732 INFO L226 Difference]: Without dead ends: 599 [2023-11-12 02:15:36,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 334 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 02:15:36,736 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 242 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:36,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 296 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:15:36,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2023-11-12 02:15:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 291. [2023-11-12 02:15:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 174 states have (on average 1.1724137931034482) internal successors, (204), 174 states have internal predecessors, (204), 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 02:15:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 420 transitions. [2023-11-12 02:15:36,827 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 420 transitions. Word has length 171 [2023-11-12 02:15:36,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:36,828 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 420 transitions. [2023-11-12 02:15:36,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 02:15:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 420 transitions. [2023-11-12 02:15:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 02:15:36,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:36,831 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, 1] [2023-11-12 02:15:36,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:37,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:37,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:37,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1872952038, now seen corresponding path program 1 times [2023-11-12 02:15:37,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:37,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997937986] [2023-11-12 02:15:37,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:37,091 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:37,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1200954206] [2023-11-12 02:15:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:37,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:37,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:37,101 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:37,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:15:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:15:37,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:15:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:15:37,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:15:37,562 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:15:37,563 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:15:37,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-12 02:15:37,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:37,777 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 02:15:37,781 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:15:37,904 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:15:37,907 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:15:37,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:15:37 BoogieIcfgContainer [2023-11-12 02:15:37,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:15:37,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:15:37,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:15:37,948 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:15:37,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:31" (3/4) ... [2023-11-12 02:15:37,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:15:37,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:15:37,952 INFO L158 Benchmark]: Toolchain (without parser) took 8029.38ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.7MB in the beginning and 67.9MB in the end (delta: 53.9MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2023-11-12 02:15:37,953 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 113.2MB. Free memory was 61.9MB in the beginning and 61.7MB in the end (delta: 142.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:15:37,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.42ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 106.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:15:37,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.86ms. Allocated memory is still 159.4MB. Free memory was 106.7MB in the beginning and 102.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:15:37,954 INFO L158 Benchmark]: Boogie Preprocessor took 61.94ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:15:37,954 INFO L158 Benchmark]: RCFGBuilder took 667.70ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 122.6MB in the end (delta: -22.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-12 02:15:37,955 INFO L158 Benchmark]: TraceAbstraction took 6627.48ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 122.0MB in the beginning and 67.9MB in the end (delta: 54.2MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2023-11-12 02:15:37,955 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 192.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:15:37,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 113.2MB. Free memory was 61.9MB in the beginning and 61.7MB in the end (delta: 142.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.42ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 106.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.86ms. Allocated memory is still 159.4MB. Free memory was 106.7MB in the beginning and 102.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.94ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.70ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 122.6MB in the end (delta: -22.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6627.48ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 122.0MB in the beginning and 67.9MB in the end (delta: 54.2MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 192.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~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 138, overapproximation of shiftLeft at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. 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] [L142] isInitial = 1 [L143] FCALL initially() [L144] int k_loop; [L145] k_loop = 0 VAL [isInitial=1, k_loop=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] [L145] COND TRUE k_loop < 1 [L146] CALL updateLastVariables() [L133] last_1_var_1_8 = var_1_8 [L134] last_1_var_1_19 = var_1_19 [L135] 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] [L146] RET updateLastVariables() [L147] CALL updateVariables() [L89] var_1_3 = __VERIFIER_nondet_char() [L90] 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=127, 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=127, 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 >= -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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] 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=127, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L93] var_1_6 = __VERIFIER_nondet_uchar() [L94] 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=127, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L94] 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] 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=127, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L97] 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L98] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L99] var_1_10 = __VERIFIER_nondet_double() [L100] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L101] var_1_11 = __VERIFIER_nondet_double() [L102] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L103] var_1_12 = __VERIFIER_nondet_double() [L104] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L105] var_1_13 = __VERIFIER_nondet_double() [L106] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] 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=127, 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=127, 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_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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L109] var_1_16 = __VERIFIER_nondet_ushort() [L110] 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=32768, 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=127, 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=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L110] 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=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] 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=32768, 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=127, 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=32768, 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=127, 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_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=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L112] var_1_17 = __VERIFIER_nondet_ushort() [L113] 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=32768, var_1_17=32768, 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=127, 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=32768, var_1_17=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L113] 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=32768, var_1_17=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] 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=32768, var_1_17=32768, 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=127, 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=32768, var_1_17=32768, 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=127, 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_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=32768, var_1_17=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L115] var_1_18 = __VERIFIER_nondet_ushort() [L116] 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=32768, var_1_17=32768, var_1_18=32768, 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=127, 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=32768, var_1_17=32768, var_1_18=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L116] 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=32768, var_1_17=32768, var_1_18=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] 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=32768, var_1_17=32768, var_1_18=32768, 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=127, 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=32768, var_1_17=32768, var_1_18=32768, 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=127, 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_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=32768, var_1_17=32768, var_1_18=32768, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L118] var_1_20 = __VERIFIER_nondet_short() [L119] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, 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=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L119] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, 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=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, 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=127, 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_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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L121] var_1_21 = __VERIFIER_nondet_short() [L122] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, 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=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L122] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, 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=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, 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=127, 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_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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, 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=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L125] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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_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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L127] var_1_24 = __VERIFIER_nondet_ushort() [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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L147] RET updateVariables() [L148] 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L52] signed long int stepLocal_1 = -1 << last_1_var_1_19; [L53] unsigned long int stepLocal_0 = -1000000000 + 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, stepLocal_0=3294967312, stepLocal_1=0, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L54] COND TRUE stepLocal_1 < var_1_3 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L55] COND FALSE !((last_1_var_1_19 / var_1_3) > stepLocal_0) [L58] 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, stepLocal_0=3294967312, stepLocal_1=0, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L61] 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, stepLocal_0=3294967312, stepLocal_1=0, 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=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L62] COND TRUE var_1_10 >= var_1_11 [L63] 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, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L65] var_1_25 = -256 [L66] var_1_26 = var_1_17 [L67] 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, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L68] COND FALSE !(var_1_7 || var_1_1) [L79] 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, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=-4, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L81] COND TRUE var_1_6 || (var_1_16 <= (var_1_22 / var_1_24)) [L82] 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, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=32768, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L84] 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, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=32768, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L148] RET step() [L149] CALL, EXPR property() [L138] 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=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=32768, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L138-L139] 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)) ; [L149] RET, EXPR property() [L149] 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=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=32768, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, 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=32768, var_1_16=32768, var_1_17=32768, var_1_18=32768, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=32720, var_1_23=32768, var_1_24=32719, var_1_25=-256, var_1_26=32768, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 356 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 351 mSDsluCounter, 920 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 255 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 255 mSolverCounterUnsat, 415 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 866 GetRequests, 838 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred 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, 322 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 2237 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1655 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 02:15:38,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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_844d8966-04b1-4a70-b498-441894d179ed/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 b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:40,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:40,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:15:41,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:41,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:41,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:41,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:41,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:41,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:41,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:41,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:41,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:41,076 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:41,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:41,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:41,079 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:15:41,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:15:41,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:41,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:41,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:41,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:41,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:15:41,084 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:15:41,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:15:41,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:15:41,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:41,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:41,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:41,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:41,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:41,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:41,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:41,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:41,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:41,091 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:15:41,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:15:41,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:41,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:41,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:41,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:41,093 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:15:41,094 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:41,094 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_844d8966-04b1-4a70-b498-441894d179ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 [2023-11-12 02:15:41,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:41,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:41,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:41,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:41,521 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:41,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-12 02:15:44,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:44,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:44,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-12 02:15:44,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data/c87bcfe1e/9d070a7a86144d64ba36550b96350e25/FLAGde8f38c03 [2023-11-12 02:15:45,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/data/c87bcfe1e/9d070a7a86144d64ba36550b96350e25 [2023-11-12 02:15:45,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:45,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:45,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:45,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:45,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:45,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266ce24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45, skipping insertion in model container [2023-11-12 02:15:45,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:45,301 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_844d8966-04b1-4a70-b498-441894d179ed/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-12 02:15:45,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:45,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:45,454 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_844d8966-04b1-4a70-b498-441894d179ed/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-12 02:15:45,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:45,553 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:45,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45 WrapperNode [2023-11-12 02:15:45,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:45,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:45,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:45,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:45,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,626 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-12 02:15:45,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:45,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:45,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:45,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:45,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:45,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:45,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:45,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:45,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (1/1) ... [2023-11-12 02:15:45,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:45,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:45,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:45,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:15:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:15:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:15:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:45,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:45,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:50,622 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:50,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:50,630 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:15:50,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:50 BoogieIcfgContainer [2023-11-12 02:15:50,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:50,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:50,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:50,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:50,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:45" (1/3) ... [2023-11-12 02:15:50,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eed53c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:50, skipping insertion in model container [2023-11-12 02:15:50,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:45" (2/3) ... [2023-11-12 02:15:50,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eed53c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:50, skipping insertion in model container [2023-11-12 02:15:50,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:50" (3/3) ... [2023-11-12 02:15:50,644 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-12 02:15:50,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:50,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:50,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:50,748 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;@56177977, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:50,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 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 02:15:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-12 02:15:50,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:50,783 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 02:15:50,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:50,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:50,796 INFO L85 PathProgramCache]: Analyzing trace with hash -780425898, now seen corresponding path program 1 times [2023-11-12 02:15:50,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:15:50,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371496150] [2023-11-12 02:15:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:50,817 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 02:15:50,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:15:50,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:50,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:51,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:15:51,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:51,697 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 02:15:51,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:51,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:15:51,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371496150] [2023-11-12 02:15:51,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371496150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:51,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:51,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:15:51,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721561207] [2023-11-12 02:15:51,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:51,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:15:51,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:15:51,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:15:51,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:15:51,758 INFO L87 Difference]: Start difference. First operand has 72 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 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 02:15:51,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:51,793 INFO L93 Difference]: Finished difference Result 141 states and 242 transitions. [2023-11-12 02:15:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:15:51,796 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 02:15:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:51,805 INFO L225 Difference]: With dead ends: 141 [2023-11-12 02:15:51,805 INFO L226 Difference]: Without dead ends: 68 [2023-11-12 02:15:51,809 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 02:15:51,813 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 02:15:51,814 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 02:15:51,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-12 02:15:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-12 02:15:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 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 02:15:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 102 transitions. [2023-11-12 02:15:51,866 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 102 transitions. Word has length 166 [2023-11-12 02:15:51,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:51,866 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 102 transitions. [2023-11-12 02:15:51,867 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 02:15:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2023-11-12 02:15:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-12 02:15:51,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:51,872 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 02:15:51,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:52,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:52,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:52,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:52,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1684042908, now seen corresponding path program 1 times [2023-11-12 02:15:52,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:15:52,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983582253] [2023-11-12 02:15:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:52,095 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 02:15:52,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:15:52,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:52,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:52,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:15:52,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:53,552 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 02:15:53,552 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:53,552 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:15:53,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983582253] [2023-11-12 02:15:53,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983582253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:53,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:53,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:15:53,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234538204] [2023-11-12 02:15:53,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:53,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:53,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:15:53,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:53,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:53,558 INFO L87 Difference]: Start difference. First operand 68 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 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 02:15:56,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:15:58,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:15:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:58,452 INFO L93 Difference]: Finished difference Result 206 states and 308 transitions. [2023-11-12 02:15:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:58,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 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 02:15:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:58,492 INFO L225 Difference]: With dead ends: 206 [2023-11-12 02:15:58,493 INFO L226 Difference]: Without dead ends: 141 [2023-11-12 02:15:58,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:15:58,497 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 87 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:58,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 395 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-12 02:15:58,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-12 02:15:58,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2023-11-12 02:15:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 74 states have internal predecessors, (91), 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 02:15:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 199 transitions. [2023-11-12 02:15:58,565 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 199 transitions. Word has length 166 [2023-11-12 02:15:58,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:58,566 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 199 transitions. [2023-11-12 02:15:58,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 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 02:15:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 199 transitions. [2023-11-12 02:15:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 02:15:58,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:58,571 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 02:15:58,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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)] Ended with exit code 0 [2023-11-12 02:15:58,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:58,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:58,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:58,796 INFO L85 PathProgramCache]: Analyzing trace with hash 675088511, now seen corresponding path program 1 times [2023-11-12 02:15:58,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:15:58,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639764839] [2023-11-12 02:15:58,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:58,798 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 02:15:58,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:15:58,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:58,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_844d8966-04b1-4a70-b498-441894d179ed/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 02:15:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:59,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-12 02:15:59,594 INFO L285 TraceCheckSpWp]: Computing forward predicates...