./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71c7df1fae20fc80c584d7fcd9c77a1cbb9d81b2af2b3bc6d67d6058472b2f60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:06,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:06,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:02:06,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:06,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:06,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:06,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:06,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:06,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:06,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:06,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:06,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:06,119 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:06,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:06,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:06,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:06,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:06,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:06,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:06,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:06,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:06,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:06,126 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:06,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:06,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:06,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:06,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:06,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:06,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:06,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:06,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:06,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:06,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:06,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:06,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:06,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:06,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:06,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:06,134 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:06,134 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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c7df1fae20fc80c584d7fcd9c77a1cbb9d81b2af2b3bc6d67d6058472b2f60 [2023-11-06 22:02:06,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:06,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:06,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:06,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:06,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:06,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i [2023-11-06 22:02:09,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:10,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:10,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i [2023-11-06 22:02:10,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data/26b5afb5a/0251cfab9d3a4d6a81bc753a9350c25b/FLAGa95a893ac [2023-11-06 22:02:10,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data/26b5afb5a/0251cfab9d3a4d6a81bc753a9350c25b [2023-11-06 22:02:10,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:10,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:10,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:10,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:10,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:10,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544d403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10, skipping insertion in model container [2023-11-06 22:02:10,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:10,401 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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i[916,929] [2023-11-06 22:02:10,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:10,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:10,597 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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i[916,929] [2023-11-06 22:02:10,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:10,659 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:10,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10 WrapperNode [2023-11-06 22:02:10,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:10,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:10,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:10,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:10,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,750 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2023-11-06 22:02:10,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:10,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:10,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:10,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:10,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:10,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:10,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:10,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:10,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (1/1) ... [2023-11-06 22:02:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:10,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:10,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:02:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:02:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:11,081 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:11,083 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:11,845 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:11,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:11,854 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:02:11,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:11 BoogieIcfgContainer [2023-11-06 22:02:11,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:11,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:11,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:11,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:11,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:10" (1/3) ... [2023-11-06 22:02:11,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0bcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:11, skipping insertion in model container [2023-11-06 22:02:11,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:10" (2/3) ... [2023-11-06 22:02:11,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0bcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:11, skipping insertion in model container [2023-11-06 22:02:11,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:11" (3/3) ... [2023-11-06 22:02:11,872 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-53.i [2023-11-06 22:02:11,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:11,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:11,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:11,978 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17dd6341, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:11,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:02:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 65 states have (on average 1.476923076923077) internal successors, (96), 66 states have internal predecessors, (96), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:02:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:02:12,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:12,009 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:12,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:12,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:12,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2046767455, now seen corresponding path program 1 times [2023-11-06 22:02:12,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:12,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227690921] [2023-11-06 22:02:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:12,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:12,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:12,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227690921] [2023-11-06 22:02:12,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:02:12,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280446810] [2023-11-06 22:02:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:12,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:12,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:02:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:12,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:02:12,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2023-11-06 22:02:12,713 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:12,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280446810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:12,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:12,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:12,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117160829] [2023-11-06 22:02:12,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:12,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:02:12,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:12,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:02:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:12,756 INFO L87 Difference]: Start difference. First operand has 93 states, 65 states have (on average 1.476923076923077) internal successors, (96), 66 states have internal predecessors, (96), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:02:12,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:12,793 INFO L93 Difference]: Finished difference Result 179 states and 311 transitions. [2023-11-06 22:02:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:02:12,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 169 [2023-11-06 22:02:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:12,805 INFO L225 Difference]: With dead ends: 179 [2023-11-06 22:02:12,805 INFO L226 Difference]: Without dead ends: 89 [2023-11-06 22:02:12,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:12,813 INFO L413 NwaCegarLoop]: 139 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, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:12,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:12,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-06 22:02:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-06 22:02:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.435483870967742) internal successors, (89), 62 states have internal predecessors, (89), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:02:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 139 transitions. [2023-11-06 22:02:12,869 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 139 transitions. Word has length 169 [2023-11-06 22:02:12,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:12,869 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 139 transitions. [2023-11-06 22:02:12,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:02:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2023-11-06 22:02:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:02:12,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:12,875 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:12,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:13,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:02:13,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:13,081 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:13,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1587640283, now seen corresponding path program 1 times [2023-11-06 22:02:13,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:13,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927989995] [2023-11-06 22:02:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:13,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:13,230 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966059881] [2023-11-06 22:02:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:13,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:13,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:02:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:13,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:02:13,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:13,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:13,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:13,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927989995] [2023-11-06 22:02:13,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:13,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966059881] [2023-11-06 22:02:13,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966059881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:13,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:13,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:13,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784768639] [2023-11-06 22:02:13,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:13,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:13,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:13,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:13,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:13,581 INFO L87 Difference]: Start difference. First operand 89 states and 139 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:13,717 INFO L93 Difference]: Finished difference Result 220 states and 343 transitions. [2023-11-06 22:02:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:13,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 169 [2023-11-06 22:02:13,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:13,722 INFO L225 Difference]: With dead ends: 220 [2023-11-06 22:02:13,723 INFO L226 Difference]: Without dead ends: 134 [2023-11-06 22:02:13,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:13,726 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 63 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:13,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 392 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-06 22:02:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 131. [2023-11-06 22:02:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 states have internal predecessors, (142), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:02:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 204 transitions. [2023-11-06 22:02:13,765 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 204 transitions. Word has length 169 [2023-11-06 22:02:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:13,767 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 204 transitions. [2023-11-06 22:02:13,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2023-11-06 22:02:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:02:13,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:13,781 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:13,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:13,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:02:13,982 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:13,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:13,983 INFO L85 PathProgramCache]: Analyzing trace with hash 187367079, now seen corresponding path program 1 times [2023-11-06 22:02:13,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:13,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447550311] [2023-11-06 22:02:13,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:13,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:14,076 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:14,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [196014342] [2023-11-06 22:02:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:14,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:14,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:14,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:14,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:02:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:14,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:02:14,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:15,260 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447550311] [2023-11-06 22:02:15,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:15,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196014342] [2023-11-06 22:02:15,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196014342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:15,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:15,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:02:15,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125556491] [2023-11-06 22:02:15,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:15,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:15,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:15,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:15,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:02:15,268 INFO L87 Difference]: Start difference. First operand 131 states and 204 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:15,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:15,855 INFO L93 Difference]: Finished difference Result 389 states and 613 transitions. [2023-11-06 22:02:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:02:15,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 169 [2023-11-06 22:02:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:15,862 INFO L225 Difference]: With dead ends: 389 [2023-11-06 22:02:15,862 INFO L226 Difference]: Without dead ends: 261 [2023-11-06 22:02:15,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:15,867 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 157 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:15,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 408 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:02:15,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-06 22:02:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 178. [2023-11-06 22:02:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 144 states have (on average 1.5277777777777777) internal successors, (220), 145 states have internal predecessors, (220), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:02:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 282 transitions. [2023-11-06 22:02:15,902 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 282 transitions. Word has length 169 [2023-11-06 22:02:15,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:15,904 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 282 transitions. [2023-11-06 22:02:15,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 282 transitions. [2023-11-06 22:02:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:02:15,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:15,908 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:15,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:16,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:16,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:16,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1444637754, now seen corresponding path program 1 times [2023-11-06 22:02:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:16,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713438468] [2023-11-06 22:02:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:16,195 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:16,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026265114] [2023-11-06 22:02:16,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:16,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:16,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:02:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:16,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:02:16,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:18,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:18,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:18,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713438468] [2023-11-06 22:02:18,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:18,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026265114] [2023-11-06 22:02:18,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026265114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:18,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:18,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:02:18,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782466755] [2023-11-06 22:02:18,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:18,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:02:18,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:18,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:02:18,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:02:18,473 INFO L87 Difference]: Start difference. First operand 178 states and 282 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:20,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:20,919 INFO L93 Difference]: Finished difference Result 755 states and 1185 transitions. [2023-11-06 22:02:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 22:02:20,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 170 [2023-11-06 22:02:20,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:20,925 INFO L225 Difference]: With dead ends: 755 [2023-11-06 22:02:20,926 INFO L226 Difference]: Without dead ends: 580 [2023-11-06 22:02:20,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:02:20,928 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 419 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:20,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 867 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:02:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-11-06 22:02:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 274. [2023-11-06 22:02:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 213 states have (on average 1.4929577464788732) internal successors, (318), 214 states have internal predecessors, (318), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-06 22:02:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 430 transitions. [2023-11-06 22:02:21,006 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 430 transitions. Word has length 170 [2023-11-06 22:02:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:21,008 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 430 transitions. [2023-11-06 22:02:21,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 430 transitions. [2023-11-06 22:02:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:02:21,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:21,012 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:21,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:21,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:21,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:21,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:21,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1021935928, now seen corresponding path program 1 times [2023-11-06 22:02:21,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:21,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565465322] [2023-11-06 22:02:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:21,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:21,289 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:21,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910691927] [2023-11-06 22:02:21,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:21,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:21,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:21,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:21,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:02:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:21,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:02:21,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:21,507 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:21,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:21,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565465322] [2023-11-06 22:02:21,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:21,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910691927] [2023-11-06 22:02:21,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910691927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:21,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:21,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:21,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981058348] [2023-11-06 22:02:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:21,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:21,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:21,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:21,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:21,516 INFO L87 Difference]: Start difference. First operand 274 states and 430 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:21,657 INFO L93 Difference]: Finished difference Result 561 states and 874 transitions. [2023-11-06 22:02:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:21,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 170 [2023-11-06 22:02:21,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:21,663 INFO L225 Difference]: With dead ends: 561 [2023-11-06 22:02:21,664 INFO L226 Difference]: Without dead ends: 386 [2023-11-06 22:02:21,665 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 [2023-11-06 22:02:21,667 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 98 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:21,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 364 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:21,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-11-06 22:02:21,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 382. [2023-11-06 22:02:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 310 states have (on average 1.4838709677419355) internal successors, (460), 313 states have internal predecessors, (460), 64 states have call successors, (64), 7 states have call predecessors, (64), 7 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 588 transitions. [2023-11-06 22:02:21,718 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 588 transitions. Word has length 170 [2023-11-06 22:02:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:21,720 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 588 transitions. [2023-11-06 22:02:21,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 588 transitions. [2023-11-06 22:02:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:02:21,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:21,725 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:21,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:21,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:21,932 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:21,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:21,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1040698528, now seen corresponding path program 1 times [2023-11-06 22:02:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697628172] [2023-11-06 22:02:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:21,975 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:21,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1690685206] [2023-11-06 22:02:21,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:21,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:21,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:21,980 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:22,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:02:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:22,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:02:22,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:23,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:23,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:23,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697628172] [2023-11-06 22:02:23,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690685206] [2023-11-06 22:02:23,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690685206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:23,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:23,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:02:23,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614215770] [2023-11-06 22:02:23,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:23,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:23,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:23,378 INFO L87 Difference]: Start difference. First operand 382 states and 588 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:24,065 INFO L93 Difference]: Finished difference Result 1004 states and 1556 transitions. [2023-11-06 22:02:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:02:24,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 170 [2023-11-06 22:02:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:24,072 INFO L225 Difference]: With dead ends: 1004 [2023-11-06 22:02:24,072 INFO L226 Difference]: Without dead ends: 725 [2023-11-06 22:02:24,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:24,075 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 267 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:24,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 579 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:02:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2023-11-06 22:02:24,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 382. [2023-11-06 22:02:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 310 states have (on average 1.4838709677419355) internal successors, (460), 313 states have internal predecessors, (460), 64 states have call successors, (64), 7 states have call predecessors, (64), 7 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 588 transitions. [2023-11-06 22:02:24,119 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 588 transitions. Word has length 170 [2023-11-06 22:02:24,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:24,120 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 588 transitions. [2023-11-06 22:02:24,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 588 transitions. [2023-11-06 22:02:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:02:24,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:24,124 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:24,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:24,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:24,332 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:24,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash -532576798, now seen corresponding path program 1 times [2023-11-06 22:02:24,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:24,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549965121] [2023-11-06 22:02:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:24,380 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:24,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051944521] [2023-11-06 22:02:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:24,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:24,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:24,382 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:24,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:02:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:24,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:02:24,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 204 proven. 66 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-11-06 22:02:26,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-06 22:02:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549965121] [2023-11-06 22:02:27,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051944521] [2023-11-06 22:02:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051944521] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:27,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:27,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-11-06 22:02:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648099488] [2023-11-06 22:02:27,851 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:27,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 22:02:27,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:27,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:02:27,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:02:27,854 INFO L87 Difference]: Start difference. First operand 382 states and 588 transitions. Second operand has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-06 22:02:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:29,361 INFO L93 Difference]: Finished difference Result 1016 states and 1559 transitions. [2023-11-06 22:02:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:02:29,365 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 171 [2023-11-06 22:02:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:29,370 INFO L225 Difference]: With dead ends: 1016 [2023-11-06 22:02:29,371 INFO L226 Difference]: Without dead ends: 705 [2023-11-06 22:02:29,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=278, Invalid=778, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 22:02:29,373 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 470 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:29,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 859 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:02:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-11-06 22:02:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 446. [2023-11-06 22:02:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 372 states have (on average 1.4973118279569892) internal successors, (557), 375 states have internal predecessors, (557), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 685 transitions. [2023-11-06 22:02:29,424 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 685 transitions. Word has length 171 [2023-11-06 22:02:29,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:29,425 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 685 transitions. [2023-11-06 22:02:29,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-06 22:02:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 685 transitions. [2023-11-06 22:02:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:02:29,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:29,429 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:29,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:29,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:29,636 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:29,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1350671706, now seen corresponding path program 1 times [2023-11-06 22:02:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:29,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497045575] [2023-11-06 22:02:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:29,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:29,681 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:29,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740015040] [2023-11-06 22:02:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:29,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:29,683 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:02:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:29,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:02:29,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:29,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:29,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:29,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497045575] [2023-11-06 22:02:29,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:29,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740015040] [2023-11-06 22:02:29,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740015040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:29,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:29,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:29,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089215222] [2023-11-06 22:02:29,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:29,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:29,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:29,952 INFO L87 Difference]: Start difference. First operand 446 states and 685 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:30,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:30,144 INFO L93 Difference]: Finished difference Result 733 states and 1130 transitions. [2023-11-06 22:02:30,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:30,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 171 [2023-11-06 22:02:30,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:30,149 INFO L225 Difference]: With dead ends: 733 [2023-11-06 22:02:30,150 INFO L226 Difference]: Without dead ends: 454 [2023-11-06 22:02:30,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:30,152 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:30,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 394 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:30,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-11-06 22:02:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2023-11-06 22:02:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 376 states have (on average 1.4920212765957446) internal successors, (561), 379 states have internal predecessors, (561), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 689 transitions. [2023-11-06 22:02:30,208 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 689 transitions. Word has length 171 [2023-11-06 22:02:30,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:30,209 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 689 transitions. [2023-11-06 22:02:30,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 689 transitions. [2023-11-06 22:02:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:02:30,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:30,214 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:30,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:30,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:30,421 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:30,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:30,422 INFO L85 PathProgramCache]: Analyzing trace with hash -761166611, now seen corresponding path program 1 times [2023-11-06 22:02:30,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:30,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032856135] [2023-11-06 22:02:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:30,446 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:30,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510275611] [2023-11-06 22:02:30,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:30,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:30,448 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:30,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:02:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:30,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:02:30,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:31,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:31,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:31,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032856135] [2023-11-06 22:02:31,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:31,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510275611] [2023-11-06 22:02:31,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510275611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:31,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:31,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:02:31,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980089786] [2023-11-06 22:02:31,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:31,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:31,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:31,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:31,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:31,563 INFO L87 Difference]: Start difference. First operand 450 states and 689 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:35,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:35,698 INFO L93 Difference]: Finished difference Result 1148 states and 1761 transitions. [2023-11-06 22:02:35,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:02:35,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 171 [2023-11-06 22:02:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:35,703 INFO L225 Difference]: With dead ends: 1148 [2023-11-06 22:02:35,704 INFO L226 Difference]: Without dead ends: 865 [2023-11-06 22:02:35,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:02:35,706 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 397 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:35,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 732 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-06 22:02:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2023-11-06 22:02:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 450. [2023-11-06 22:02:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 376 states have (on average 1.4920212765957446) internal successors, (561), 379 states have internal predecessors, (561), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 689 transitions. [2023-11-06 22:02:35,763 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 689 transitions. Word has length 171 [2023-11-06 22:02:35,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:35,764 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 689 transitions. [2023-11-06 22:02:35,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 689 transitions. [2023-11-06 22:02:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:02:35,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:35,768 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:35,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:35,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:35,984 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:35,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:35,985 INFO L85 PathProgramCache]: Analyzing trace with hash -588566660, now seen corresponding path program 1 times [2023-11-06 22:02:35,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:35,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897911990] [2023-11-06 22:02:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:35,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:36,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:36,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632927638] [2023-11-06 22:02:36,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:36,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:36,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:36,022 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:36,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:02:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:36,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:02:36,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:36,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:36,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:36,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897911990] [2023-11-06 22:02:36,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:36,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632927638] [2023-11-06 22:02:36,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632927638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:36,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:36,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:02:36,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327649257] [2023-11-06 22:02:36,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:36,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:36,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:36,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:36,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:36,917 INFO L87 Difference]: Start difference. First operand 450 states and 689 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:38,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:38,529 INFO L93 Difference]: Finished difference Result 1299 states and 2017 transitions. [2023-11-06 22:02:38,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:02:38,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 171 [2023-11-06 22:02:38,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:38,536 INFO L225 Difference]: With dead ends: 1299 [2023-11-06 22:02:38,536 INFO L226 Difference]: Without dead ends: 938 [2023-11-06 22:02:38,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:38,538 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 258 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:38,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 596 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:02:38,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-11-06 22:02:38,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 455. [2023-11-06 22:02:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 381 states have (on average 1.4934383202099737) internal successors, (569), 384 states have internal predecessors, (569), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 697 transitions. [2023-11-06 22:02:38,593 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 697 transitions. Word has length 171 [2023-11-06 22:02:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:38,593 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 697 transitions. [2023-11-06 22:02:38,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 697 transitions. [2023-11-06 22:02:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:02:38,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:38,596 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:38,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:38,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:02:38,803 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:38,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash -448018050, now seen corresponding path program 1 times [2023-11-06 22:02:38,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:38,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683501539] [2023-11-06 22:02:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:38,845 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:38,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072220392] [2023-11-06 22:02:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:38,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:38,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:38,860 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:38,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:02:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:39,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:02:39,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:02:39,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:39,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:39,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683501539] [2023-11-06 22:02:39,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:39,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072220392] [2023-11-06 22:02:39,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072220392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:39,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:39,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:02:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783903060] [2023-11-06 22:02:39,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:39,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:39,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:39,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:39,638 INFO L87 Difference]: Start difference. First operand 455 states and 697 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:40,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:40,792 INFO L93 Difference]: Finished difference Result 1261 states and 1955 transitions. [2023-11-06 22:02:40,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:02:40,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 171 [2023-11-06 22:02:40,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:40,799 INFO L225 Difference]: With dead ends: 1261 [2023-11-06 22:02:40,799 INFO L226 Difference]: Without dead ends: 900 [2023-11-06 22:02:40,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:02:40,802 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 199 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:40,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 549 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:02:40,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2023-11-06 22:02:40,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 407. [2023-11-06 22:02:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 333 states have (on average 1.4744744744744744) internal successors, (491), 336 states have internal predecessors, (491), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:02:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 619 transitions. [2023-11-06 22:02:40,854 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 619 transitions. Word has length 171 [2023-11-06 22:02:40,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:40,855 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 619 transitions. [2023-11-06 22:02:40,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:02:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 619 transitions. [2023-11-06 22:02:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 22:02:40,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:40,857 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:40,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:41,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:02:41,065 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:41,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:41,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1226158271, now seen corresponding path program 1 times [2023-11-06 22:02:41,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:41,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792799160] [2023-11-06 22:02:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:41,095 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:02:41,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424659325] [2023-11-06 22:02:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:41,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:41,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:41,097 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:41,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:02:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:41,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:02:41,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 602 proven. 159 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2023-11-06 22:02:42,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 111 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-11-06 22:02:50,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:50,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792799160] [2023-11-06 22:02:50,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:02:50,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424659325] [2023-11-06 22:02:50,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424659325] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:50,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:50,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2023-11-06 22:02:50,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880355853] [2023-11-06 22:02:50,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:50,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 22:02:50,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:50,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 22:02:50,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:02:50,425 INFO L87 Difference]: Start difference. First operand 407 states and 619 transitions. Second operand has 31 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 29 states have internal predecessors, (112), 8 states have call successors, (49), 5 states have call predecessors, (49), 11 states have return successors, (50), 7 states have call predecessors, (50), 8 states have call successors, (50) [2023-11-06 22:03:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:41,439 INFO L93 Difference]: Finished difference Result 1120 states and 1625 transitions. [2023-11-06 22:03:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-06 22:03:41,440 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 29 states have internal predecessors, (112), 8 states have call successors, (49), 5 states have call predecessors, (49), 11 states have return successors, (50), 7 states have call predecessors, (50), 8 states have call successors, (50) Word has length 172 [2023-11-06 22:03:41,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:41,445 INFO L225 Difference]: With dead ends: 1120 [2023-11-06 22:03:41,446 INFO L226 Difference]: Without dead ends: 785 [2023-11-06 22:03:41,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1449 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=1311, Invalid=4389, Unknown=0, NotChecked=0, Total=5700 [2023-11-06 22:03:41,450 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 1286 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:41,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 1069 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 33.4s Time] [2023-11-06 22:03:41,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2023-11-06 22:03:41,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 462. [2023-11-06 22:03:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 375 states have (on average 1.408) internal successors, (528), 378 states have internal predecessors, (528), 64 states have call successors, (64), 22 states have call predecessors, (64), 22 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:03:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 656 transitions. [2023-11-06 22:03:41,549 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 656 transitions. Word has length 172 [2023-11-06 22:03:41,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:41,551 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 656 transitions. [2023-11-06 22:03:41,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 29 states have internal predecessors, (112), 8 states have call successors, (49), 5 states have call predecessors, (49), 11 states have return successors, (50), 7 states have call predecessors, (50), 8 states have call successors, (50) [2023-11-06 22:03:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 656 transitions. [2023-11-06 22:03:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 22:03:41,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:41,559 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:41,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-06 22:03:41,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:41,773 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:41,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash -758091201, now seen corresponding path program 1 times [2023-11-06 22:03:41,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:41,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132429415] [2023-11-06 22:03:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:41,800 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:03:41,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349602163] [2023-11-06 22:03:41,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:41,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:41,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:41,802 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:41,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:03:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:42,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:03:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:42,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:03:42,295 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:03:42,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:03:42,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:42,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:42,507 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:42,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:42,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:42 BoogieIcfgContainer [2023-11-06 22:03:42,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:42,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:42,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:42,673 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:42,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:11" (3/4) ... [2023-11-06 22:03:42,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:03:42,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:42,677 INFO L158 Benchmark]: Toolchain (without parser) took 92540.96ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 109.5MB in the beginning and 268.3MB in the end (delta: -158.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2023-11-06 22:03:42,678 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 126.2MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:42,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.57ms. Allocated memory is still 157.3MB. Free memory was 109.5MB in the beginning and 91.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:03:42,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.58ms. Allocated memory is still 157.3MB. Free memory was 91.8MB in the beginning and 83.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:03:42,679 INFO L158 Benchmark]: Boogie Preprocessor took 80.42ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 80.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:03:42,679 INFO L158 Benchmark]: RCFGBuilder took 1026.25ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 80.1MB in the beginning and 155.1MB in the end (delta: -75.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-06 22:03:42,680 INFO L158 Benchmark]: TraceAbstraction took 90808.00ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 154.0MB in the beginning and 269.4MB in the end (delta: -115.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:42,680 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 373.3MB. Free memory was 269.4MB in the beginning and 268.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:42,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 126.2MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.57ms. Allocated memory is still 157.3MB. Free memory was 109.5MB in the beginning and 91.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.58ms. Allocated memory is still 157.3MB. Free memory was 91.8MB in the beginning and 83.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.42ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 80.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1026.25ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 80.1MB in the beginning and 155.1MB in the end (delta: -75.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 90808.00ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 154.0MB in the beginning and 269.4MB in the end (delta: -115.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 373.3MB. Free memory was 269.4MB in the beginning and 268.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 193, overapproximation of someUnaryDOUBLEoperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -100; [L23] unsigned char var_1_2 = 200; [L24] unsigned char var_1_3 = 100; [L25] unsigned char var_1_4 = 8; [L26] unsigned char var_1_7 = 16; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned short int var_1_17 = 256; [L34] signed short int var_1_19 = -100; [L35] signed short int var_1_20 = 32; [L36] unsigned char var_1_21 = 1; [L37] signed short int var_1_23 = -256; [L38] float var_1_24 = -0.5; [L39] float var_1_25 = 255.8; [L40] float var_1_26 = 31.2; [L41] float var_1_27 = 0.5; [L42] unsigned char var_1_28 = 32; [L43] unsigned char var_1_29 = 64; [L44] unsigned short int var_1_30 = 16; [L45] double var_1_31 = 255.9; [L46] unsigned short int var_1_33 = 39141; [L47] unsigned short int var_1_34 = 52589; [L48] signed long int last_1_var_1_1 = -100; [L49] unsigned char last_1_var_1_7 = 16; [L50] unsigned short int last_1_var_1_17 = 256; [L51] signed short int last_1_var_1_19 = -100; [L52] signed short int last_1_var_1_20 = 32; [L53] signed short int last_1_var_1_23 = -256; [L54] unsigned char last_1_var_1_28 = 32; VAL [isInitial=0, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_7 = var_1_7 [L186] last_1_var_1_17 = var_1_17 [L187] last_1_var_1_19 = var_1_19 [L188] last_1_var_1_20 = var_1_20 [L189] last_1_var_1_23 = var_1_23 [L190] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L200] RET updateLastVariables() [L201] CALL updateVariables() [L143] var_1_2 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L144] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L145] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L146] var_1_3 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_3 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=8, var_1_7=16, var_1_9=0] [L147] RET assume_abort_if_not(var_1_3 >= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=8, var_1_7=16, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=8, var_1_7=16, var_1_9=0] [L148] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=8, var_1_7=16, var_1_9=0] [L149] var_1_4 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L151] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L154] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L155] var_1_13 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L156] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L157] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L158] var_1_15 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L159] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L160] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L161] var_1_16 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L162] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L163] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L164] var_1_25 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L165] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L166] var_1_26 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L167] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L168] var_1_27 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L169] RET assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L171] RET assume_abort_if_not(var_1_29 >= 64) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L172] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L173] var_1_31 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L174] RET assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L175] CALL assume_abort_if_not(var_1_31 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L175] RET assume_abort_if_not(var_1_31 != 0.0F) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L179] var_1_34 = __VERIFIER_nondet_ushort() [L180] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L180] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L181] CALL assume_abort_if_not(var_1_34 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L181] RET assume_abort_if_not(var_1_34 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L201] RET updateVariables() [L202] CALL step() [L58] COND FALSE !((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) [L67] var_1_1 = var_1_2 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L69] unsigned char stepLocal_3 = var_1_4; [L70] signed long int stepLocal_2 = last_1_var_1_17; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L71] COND FALSE !(stepLocal_2 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) [L78] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L80] unsigned char stepLocal_1 = last_1_var_1_28 < (var_1_3 - var_1_4); [L81] signed long int stepLocal_0 = last_1_var_1_28; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L82] COND TRUE stepLocal_1 || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=16, var_1_9=0] [L83] COND TRUE stepLocal_0 >= var_1_4 [L84] var_1_7 = 2 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L91] var_1_24 = (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27)))) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L92] COND TRUE ! var_1_12 [L93] var_1_28 = ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L97] COND TRUE (var_1_24 / var_1_31) > var_1_24 [L98] var_1_30 = (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - var_1_4) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L100] EXPR var_1_4 ^ var_1_1 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4 ^ var_1_1=127, var_1_4=0, var_1_7=2, var_1_9=0] [L100] COND FALSE !(var_1_1 != (var_1_4 ^ var_1_1)) [L109] unsigned char stepLocal_6 = var_1_9; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_6=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L110] COND TRUE stepLocal_6 || (var_1_28 >= last_1_var_1_20) [L111] var_1_20 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_6=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L115] unsigned char stepLocal_8 = var_1_28 > var_1_7; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_6=0, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L116] COND TRUE stepLocal_8 || var_1_14 [L117] var_1_23 = (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_6=0, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L121] var_1_19 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28))) [L122] unsigned char stepLocal_7 = ((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_6=0, stepLocal_7=1, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L123] COND FALSE !(stepLocal_7 && var_1_13) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_6=0, stepLocal_7=1, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L128] signed short int stepLocal_5 = var_1_23; [L129] unsigned char stepLocal_4 = var_1_12; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_4=0, stepLocal_5=0, stepLocal_6=0, stepLocal_7=1, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L130] COND FALSE !((var_1_28 / (2571661009u - var_1_2)) != stepLocal_5) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_4=0, stepLocal_5=0, stepLocal_6=0, stepLocal_7=1, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L135] COND TRUE \read(var_1_21) [L136] var_1_17 = var_1_7 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, stepLocal_2=256, stepLocal_3=0, stepLocal_4=0, stepLocal_5=0, stepLocal_6=0, stepLocal_7=1, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L202] RET step() [L203] CALL, EXPR property() [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) VAL [((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L193] EXPR var_1_4 ^ var_1_1 VAL [((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4 ^ var_1_1=127, var_1_4=0, var_1_7=2, var_1_9=0] [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) VAL [((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4 ^ var_1_1=127, var_1_4=0, var_1_7=2, var_1_9=0] [L193-L194] return (((((((((((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)) && ((last_1_var_1_17 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) ? ((var_1_4 >= last_1_var_1_19) ? (var_1_14 == ((unsigned char) var_1_12)) : (var_1_14 == ((unsigned char) (var_1_15 && var_1_16)))) : (var_1_14 == ((unsigned char) var_1_15)))) && (((var_1_28 / (2571661009u - var_1_2)) != var_1_23) ? ((var_1_12 && var_1_21) ? (var_1_17 == ((unsigned short int) 2)) : 1) : (var_1_21 ? (var_1_17 == ((unsigned short int) var_1_7)) : (var_1_17 == ((unsigned short int) var_1_2))))) && (var_1_19 == ((signed short int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28)))))) && ((var_1_9 || (var_1_28 >= last_1_var_1_20)) ? (var_1_20 == ((signed short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4))) : (var_1_20 == ((signed short int) (var_1_4 - (((((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) < 0 ) ? -((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) : ((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3)))))))))) && (((((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0) && var_1_13) ? (var_1_14 ? (var_1_21 == ((unsigned char) var_1_16)) : 1) : 1)) && (((var_1_28 > var_1_7) || var_1_14) ? (var_1_23 == ((signed short int) (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))))) : (var_1_23 == ((signed short int) (var_1_2 - var_1_28))))) && (var_1_24 == ((float) (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27))))))) && ((! var_1_12) ? (var_1_28 == ((unsigned char) ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4))) : (var_1_28 == ((unsigned char) ((((((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) > (var_1_3)) ? (((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) : (var_1_3))))))) && (((var_1_24 / var_1_31) > var_1_24) ? (var_1_30 == ((unsigned short int) (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - var_1_4))) : 1) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=253, var_1_29=127, var_1_2=127, var_1_30=65534, var_1_31=5, var_1_33=65534, var_1_34=65534, var_1_3=126, var_1_4=0, var_1_7=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 90.6s, OverallIterations: 13, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 63.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3698 SdHoareTripleChecker+Valid, 42.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3674 mSDsluCounter, 6948 SdHoareTripleChecker+Invalid, 41.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5151 mSDsCounter, 249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5573 IncrementalHoareTripleChecker+Invalid, 5822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 249 mSolverCounterUnsat, 1797 mSDtfsCounter, 5573 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2489 GetRequests, 2299 SyntacticMatches, 1 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1848 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=12, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2716 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 19.1s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2373 ConstructedInterpolants, 0 QuantifiedInterpolants, 14563 SizeOfPredicates, 111 NumberOfNonLiveVariables, 5130 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 16398/16800 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:03:42,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71c7df1fae20fc80c584d7fcd9c77a1cbb9d81b2af2b3bc6d67d6058472b2f60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:45,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:45,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:03:45,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:45,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:45,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:45,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:45,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:45,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:45,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:45,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:45,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:45,315 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:45,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:45,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:45,317 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:03:45,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:03:45,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:45,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:45,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:45,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:45,322 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:03:45,323 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:03:45,323 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:03:45,324 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:03:45,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:45,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:45,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:45,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:45,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:45,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:45,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:45,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:45,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:45,329 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:03:45,329 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:03:45,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:45,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:45,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:45,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:45,331 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:03:45,331 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:45,331 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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c7df1fae20fc80c584d7fcd9c77a1cbb9d81b2af2b3bc6d67d6058472b2f60 [2023-11-06 22:03:45,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:45,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:45,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:45,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:45,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:45,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i [2023-11-06 22:03:48,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:49,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:49,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i [2023-11-06 22:03:49,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data/27729d20a/8e6f108168fe411eb397caff5bd658c6/FLAG79d109d1e [2023-11-06 22:03:49,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/data/27729d20a/8e6f108168fe411eb397caff5bd658c6 [2023-11-06 22:03:49,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:49,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:49,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:49,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:49,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:49,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4bb4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49, skipping insertion in model container [2023-11-06 22:03:49,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:49,472 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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i[916,929] [2023-11-06 22:03:49,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:49,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:49,657 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_68c53e9a-9dbf-46bc-849f-3286cf5edc21/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-53.i[916,929] [2023-11-06 22:03:49,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:49,768 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:49,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49 WrapperNode [2023-11-06 22:03:49,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:49,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:49,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:49,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:49,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,875 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-06 22:03:49,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:49,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:49,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:49,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:49,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:49,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:49,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:49,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:49,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (1/1) ... [2023-11-06 22:03:49,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:49,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:49,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:50,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:03:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:03:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:03:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:50,177 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:50,179 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:58,314 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:58,322 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:58,322 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:03:58,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:58 BoogieIcfgContainer [2023-11-06 22:03:58,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:58,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:58,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:58,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:58,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:49" (1/3) ... [2023-11-06 22:03:58,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758d9c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:58, skipping insertion in model container [2023-11-06 22:03:58,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:49" (2/3) ... [2023-11-06 22:03:58,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758d9c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:58, skipping insertion in model container [2023-11-06 22:03:58,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:58" (3/3) ... [2023-11-06 22:03:58,334 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-53.i [2023-11-06 22:03:58,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:58,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:58,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:58,416 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@af2f515, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:58,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:03:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:03:58,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:58,440 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:58,441 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:58,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:58,447 INFO L85 PathProgramCache]: Analyzing trace with hash 244620392, now seen corresponding path program 1 times [2023-11-06 22:03:58,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:58,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128582965] [2023-11-06 22:03:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:58,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:03:58,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:58,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:03:58,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:03:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:59,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:03:59,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-06 22:04:00,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:00,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:00,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128582965] [2023-11-06 22:04:00,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128582965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:00,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:00,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:04:00,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578960022] [2023-11-06 22:04:00,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:00,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:04:00,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:00,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:04:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:04:00,084 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:04:00,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:00,120 INFO L93 Difference]: Finished difference Result 161 states and 279 transitions. [2023-11-06 22:04:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:04:00,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 166 [2023-11-06 22:04:00,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:00,131 INFO L225 Difference]: With dead ends: 161 [2023-11-06 22:04:00,132 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:04:00,136 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 [2023-11-06 22:04:00,139 INFO L413 NwaCegarLoop]: 123 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, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:00,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:04:00,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:04:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 22:04:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:04:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2023-11-06 22:04:00,193 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 166 [2023-11-06 22:04:00,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:00,194 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2023-11-06 22:04:00,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:04:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2023-11-06 22:04:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:04:00,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:00,200 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:00,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 22:04:00,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:04:00,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:00,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:00,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1412158622, now seen corresponding path program 1 times [2023-11-06 22:04:00,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:00,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792572914] [2023-11-06 22:04:00,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:00,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:04:00,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:00,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:04:00,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:04:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:01,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:04:01,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 514 proven. 51 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-06 22:04:04,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:04:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-06 22:04:06,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:06,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792572914] [2023-11-06 22:04:06,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792572914] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:04:06,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:04:06,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-06 22:04:06,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20608350] [2023-11-06 22:04:06,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:04:06,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:04:06,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:06,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:04:06,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:04:06,055 INFO L87 Difference]: Start difference. First operand 80 states and 123 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-06 22:04:11,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:13,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:15,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:17,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:04:17,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:17,688 INFO L93 Difference]: Finished difference Result 165 states and 250 transitions. [2023-11-06 22:04:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:04:18,092 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 166 [2023-11-06 22:04:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:18,095 INFO L225 Difference]: With dead ends: 165 [2023-11-06 22:04:18,095 INFO L226 Difference]: Without dead ends: 88 [2023-11-06 22:04:18,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:18,098 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 57 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:18,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 298 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 182 Invalid, 4 Unknown, 0 Unchecked, 11.2s Time] [2023-11-06 22:04:18,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-06 22:04:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2023-11-06 22:04:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 56 states have internal predecessors, (74), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:04:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2023-11-06 22:04:18,121 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 166 [2023-11-06 22:04:18,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:18,123 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2023-11-06 22:04:18,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-06 22:04:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2023-11-06 22:04:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:04:18,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:18,127 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:18,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:04:18,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:04:18,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:18,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:18,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1410311580, now seen corresponding path program 1 times [2023-11-06 22:04:18,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:18,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375711536] [2023-11-06 22:04:18,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:18,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:04:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:18,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:04:18,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:04:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:19,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:04:19,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 332 proven. 177 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2023-11-06 22:04:32,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:04:34,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:34,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375711536] [2023-11-06 22:04:34,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375711536] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:04:34,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1553278931] [2023-11-06 22:04:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:34,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:04:34,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:04:34,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:04:34,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c53e9a-9dbf-46bc-849f-3286cf5edc21/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-06 22:04:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:37,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:04:37,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 332 proven. 177 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2023-11-06 22:04:47,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:04:48,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1553278931] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:04:48,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:04:48,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2023-11-06 22:04:48,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202279287] [2023-11-06 22:04:48,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:04:48,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:04:48,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:48,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:04:48,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:04:48,208 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-06 22:04:59,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:01,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:03,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:05,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:07,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:09,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:11,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:13,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:15,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:19,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:21,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:25,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:27,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:29,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:31,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:33,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:35,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:37,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:42,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:44,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:46,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:48,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:50,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:52,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:54,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:56,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:05:58,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:06:00,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:06:04,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]