./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:08:59,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:08:59,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:08:59,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:08:59,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:08:59,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:08:59,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:08:59,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:08:59,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:08:59,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:08:59,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:08:59,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:08:59,814 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:08:59,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:08:59,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:08:59,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:08:59,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:08:59,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:08:59,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:08:59,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:08:59,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:08:59,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:08:59,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:08:59,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:08:59,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:08:59,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:08:59,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:08:59,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:08:59,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:59,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:08:59,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:08:59,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:08:59,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:08:59,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:08:59,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:08:59,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:08:59,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:08:59,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:08:59,829 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:08:59,829 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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2023-11-06 23:09:00,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:09:00,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:09:00,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:09:00,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:09:00,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:09:00,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-06 23:09:03,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:04,004 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:04,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-06 23:09:04,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data/c4c5cf18e/d1f2e2529a94490aa0754520c7f18d9b/FLAGaff495c20 [2023-11-06 23:09:04,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data/c4c5cf18e/d1f2e2529a94490aa0754520c7f18d9b [2023-11-06 23:09:04,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:04,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:04,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:04,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:04,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:04,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e233ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04, skipping insertion in model container [2023-11-06 23:09:04,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:04,311 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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-06 23:09:04,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:04,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:04,455 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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-06 23:09:04,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:04,593 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:04,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04 WrapperNode [2023-11-06 23:09:04,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:04,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:04,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:04,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:04,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,704 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2023-11-06 23:09:04,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:04,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:04,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:04,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:04,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:04,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:04,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:04,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:04,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (1/1) ... [2023-11-06 23:09:04,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:04,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:04,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:04,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:09:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:09:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:09:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:05,059 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:05,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:05,814 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:09:05,823 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:09:05,823 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:09:05,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:05 BoogieIcfgContainer [2023-11-06 23:09:05,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:09:05,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:09:05,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:09:05,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:09:05,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:04" (1/3) ... [2023-11-06 23:09:05,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ad74b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:05, skipping insertion in model container [2023-11-06 23:09:05,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:04" (2/3) ... [2023-11-06 23:09:05,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ad74b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:05, skipping insertion in model container [2023-11-06 23:09:05,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:05" (3/3) ... [2023-11-06 23:09:05,838 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-06 23:09:05,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:09:05,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:09:05,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:05,940 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;@2a888b52, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:05,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:09:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 79 states have internal predecessors, (114), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 23:09:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-06 23:09:05,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:05,984 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:05,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:05,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:05,994 INFO L85 PathProgramCache]: Analyzing trace with hash -10632110, now seen corresponding path program 1 times [2023-11-06 23:09:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4477397] [2023-11-06 23:09:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:06,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:06,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4477397] [2023-11-06 23:09:06,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:09:06,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151267258] [2023-11-06 23:09:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:06,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:06,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:06,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:09:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:06,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:09:06,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-11-06 23:09:06,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:06,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151267258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:06,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:06,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289496885] [2023-11-06 23:09:06,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:06,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:09:06,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:06,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:09:06,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:09:06,962 INFO L87 Difference]: Start difference. First operand has 112 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 79 states have internal predecessors, (114), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 23:09:07,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:07,012 INFO L93 Difference]: Finished difference Result 217 states and 377 transitions. [2023-11-06 23:09:07,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:09:07,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2023-11-06 23:09:07,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:07,027 INFO L225 Difference]: With dead ends: 217 [2023-11-06 23:09:07,028 INFO L226 Difference]: Without dead ends: 108 [2023-11-06 23:09:07,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 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 23:09:07,038 INFO L413 NwaCegarLoop]: 169 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, 169 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 23:09:07,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:09:07,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-06 23:09:07,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-06 23:09:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 23:09:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2023-11-06 23:09:07,113 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 204 [2023-11-06 23:09:07,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:07,114 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2023-11-06 23:09:07,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 23:09:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2023-11-06 23:09:07,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-06 23:09:07,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:07,122 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:07,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:07,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 23:09:07,331 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:07,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:07,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1650163880, now seen corresponding path program 1 times [2023-11-06 23:09:07,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:07,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131096551] [2023-11-06 23:09:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:07,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:07,484 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153874655] [2023-11-06 23:09:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:07,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:07,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:07,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:07,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:09:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:07,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:09:07,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:09:07,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:07,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131096551] [2023-11-06 23:09:07,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:07,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153874655] [2023-11-06 23:09:07,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153874655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:07,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:07,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:09:07,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288816154] [2023-11-06 23:09:07,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:07,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:09:07,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:07,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:09:07,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:09:07,939 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:08,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:08,172 INFO L93 Difference]: Finished difference Result 313 states and 491 transitions. [2023-11-06 23:09:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:09:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2023-11-06 23:09:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:08,186 INFO L225 Difference]: With dead ends: 313 [2023-11-06 23:09:08,186 INFO L226 Difference]: Without dead ends: 208 [2023-11-06 23:09:08,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 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 23:09:08,192 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 153 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:08,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 659 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:09:08,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-06 23:09:08,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 134. [2023-11-06 23:09:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 101 states have internal predecessors, (149), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 23:09:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 211 transitions. [2023-11-06 23:09:08,251 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 211 transitions. Word has length 204 [2023-11-06 23:09:08,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:08,255 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 211 transitions. [2023-11-06 23:09:08,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:08,256 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-06 23:09:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-06 23:09:08,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:08,268 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:08,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:08,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:08,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:08,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:08,477 INFO L85 PathProgramCache]: Analyzing trace with hash 197389543, now seen corresponding path program 1 times [2023-11-06 23:09:08,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:08,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053566063] [2023-11-06 23:09:08,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:08,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:08,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:08,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491647107] [2023-11-06 23:09:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:08,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:08,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:08,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:09:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:08,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:09:08,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:09:09,297 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:09,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:09,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053566063] [2023-11-06 23:09:09,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:09,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491647107] [2023-11-06 23:09:09,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491647107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:09,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:09,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:09:09,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060477929] [2023-11-06 23:09:09,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:09,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:09:09,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:09,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:09:09,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:09:09,302 INFO L87 Difference]: Start difference. First operand 134 states and 211 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:09,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:09,582 INFO L93 Difference]: Finished difference Result 454 states and 717 transitions. [2023-11-06 23:09:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:09:09,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2023-11-06 23:09:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:09,588 INFO L225 Difference]: With dead ends: 454 [2023-11-06 23:09:09,588 INFO L226 Difference]: Without dead ends: 323 [2023-11-06 23:09:09,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 202 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 23:09:09,591 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 161 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:09,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 514 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:09:09,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-06 23:09:09,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 312. [2023-11-06 23:09:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 247 states have (on average 1.4615384615384615) internal successors, (361), 247 states have internal predecessors, (361), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 23:09:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 485 transitions. [2023-11-06 23:09:09,673 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 485 transitions. Word has length 205 [2023-11-06 23:09:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:09,674 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 485 transitions. [2023-11-06 23:09:09,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 485 transitions. [2023-11-06 23:09:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-06 23:09:09,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:09,681 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:09,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 23:09:09,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:09,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:09,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1600664160, now seen corresponding path program 1 times [2023-11-06 23:09:09,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:09,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597469895] [2023-11-06 23:09:09,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:10,000 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:10,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329244024] [2023-11-06 23:09:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:10,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:10,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:10,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:10,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:09:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:10,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:09:10,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 454 proven. 78 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2023-11-06 23:09:10,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 23:09:11,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:11,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597469895] [2023-11-06 23:09:11,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:11,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329244024] [2023-11-06 23:09:11,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329244024] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:11,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:11,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-06 23:09:11,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836809561] [2023-11-06 23:09:11,256 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:11,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:09:11,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:11,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:09:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:09:11,260 INFO L87 Difference]: Start difference. First operand 312 states and 485 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 3 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2023-11-06 23:09:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:14,001 INFO L93 Difference]: Finished difference Result 1258 states and 1921 transitions. [2023-11-06 23:09:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-06 23:09:14,002 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 3 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 206 [2023-11-06 23:09:14,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:14,017 INFO L225 Difference]: With dead ends: 1258 [2023-11-06 23:09:14,018 INFO L226 Difference]: Without dead ends: 949 [2023-11-06 23:09:14,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=460, Invalid=1520, Unknown=0, NotChecked=0, Total=1980 [2023-11-06 23:09:14,027 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 1031 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:14,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 808 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [359 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 23:09:14,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2023-11-06 23:09:14,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 358. [2023-11-06 23:09:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 291 states have (on average 1.4536082474226804) internal successors, (423), 291 states have internal predecessors, (423), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 23:09:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 547 transitions. [2023-11-06 23:09:14,154 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 547 transitions. Word has length 206 [2023-11-06 23:09:14,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:14,156 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 547 transitions. [2023-11-06 23:09:14,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 3 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2023-11-06 23:09:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 547 transitions. [2023-11-06 23:09:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-06 23:09:14,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:14,162 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:14,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:14,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:14,370 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:14,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash -88279582, now seen corresponding path program 1 times [2023-11-06 23:09:14,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:14,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069453615] [2023-11-06 23:09:14,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:14,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:14,452 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:14,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515925614] [2023-11-06 23:09:14,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:14,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:14,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:14,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:14,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:09:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:14,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 23:09:14,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2023-11-06 23:09:15,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 23:09:16,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:16,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069453615] [2023-11-06 23:09:16,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:16,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515925614] [2023-11-06 23:09:16,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515925614] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:16,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:16,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 15 [2023-11-06 23:09:16,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778514619] [2023-11-06 23:09:16,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:16,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 23:09:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:16,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 23:09:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:09:16,539 INFO L87 Difference]: Start difference. First operand 358 states and 547 transitions. Second operand has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 5 states have call successors, (62), 4 states have call predecessors, (62), 6 states have return successors, (62), 5 states have call predecessors, (62), 5 states have call successors, (62) [2023-11-06 23:09:18,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:18,202 INFO L93 Difference]: Finished difference Result 926 states and 1382 transitions. [2023-11-06 23:09:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 23:09:18,203 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 5 states have call successors, (62), 4 states have call predecessors, (62), 6 states have return successors, (62), 5 states have call predecessors, (62), 5 states have call successors, (62) Word has length 206 [2023-11-06 23:09:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:18,208 INFO L225 Difference]: With dead ends: 926 [2023-11-06 23:09:18,209 INFO L226 Difference]: Without dead ends: 571 [2023-11-06 23:09:18,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 23:09:18,211 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 616 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:18,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 690 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 23:09:18,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2023-11-06 23:09:18,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 552. [2023-11-06 23:09:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 380 states have (on average 1.2973684210526315) internal successors, (493), 382 states have internal predecessors, (493), 155 states have call successors, (155), 16 states have call predecessors, (155), 16 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-06 23:09:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 803 transitions. [2023-11-06 23:09:18,350 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 803 transitions. Word has length 206 [2023-11-06 23:09:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:18,351 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 803 transitions. [2023-11-06 23:09:18,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 5 states have call successors, (62), 4 states have call predecessors, (62), 6 states have return successors, (62), 5 states have call predecessors, (62), 5 states have call successors, (62) [2023-11-06 23:09:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 803 transitions. [2023-11-06 23:09:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-06 23:09:18,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:18,356 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:18,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:18,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:18,562 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:18,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1456158918, now seen corresponding path program 1 times [2023-11-06 23:09:18,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:18,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876973015] [2023-11-06 23:09:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:18,611 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557323888] [2023-11-06 23:09:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:18,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:18,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:18,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:18,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:09:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-06 23:09:18,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 670 proven. 321 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2023-11-06 23:09:21,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 48 proven. 129 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-11-06 23:09:27,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:27,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876973015] [2023-11-06 23:09:27,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:27,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557323888] [2023-11-06 23:09:27,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557323888] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:27,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:27,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12] total 31 [2023-11-06 23:09:27,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663022107] [2023-11-06 23:09:27,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:27,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 23:09:27,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:27,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 23:09:27,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=752, Unknown=0, NotChecked=0, Total=930 [2023-11-06 23:09:27,238 INFO L87 Difference]: Start difference. First operand 552 states and 803 transitions. Second operand has 31 states, 30 states have (on average 3.966666666666667) internal successors, (119), 28 states have internal predecessors, (119), 8 states have call successors, (57), 6 states have call predecessors, (57), 10 states have return successors, (58), 8 states have call predecessors, (58), 8 states have call successors, (58) [2023-11-06 23:09:40,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:09:48,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:09:51,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:51,271 INFO L93 Difference]: Finished difference Result 1478 states and 2040 transitions. [2023-11-06 23:09:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-11-06 23:09:51,274 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.966666666666667) internal successors, (119), 28 states have internal predecessors, (119), 8 states have call successors, (57), 6 states have call predecessors, (57), 10 states have return successors, (58), 8 states have call predecessors, (58), 8 states have call successors, (58) Word has length 207 [2023-11-06 23:09:51,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:51,302 INFO L225 Difference]: With dead ends: 1478 [2023-11-06 23:09:51,303 INFO L226 Difference]: Without dead ends: 1232 [2023-11-06 23:09:51,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2595 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=1746, Invalid=6996, Unknown=0, NotChecked=0, Total=8742 [2023-11-06 23:09:51,319 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 516 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 181 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:51,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1538 Invalid, 2449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2267 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2023-11-06 23:09:51,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2023-11-06 23:09:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 869. [2023-11-06 23:09:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 648 states have (on average 1.2978395061728396) internal successors, (841), 653 states have internal predecessors, (841), 174 states have call successors, (174), 46 states have call predecessors, (174), 46 states have return successors, (174), 169 states have call predecessors, (174), 174 states have call successors, (174) [2023-11-06 23:09:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1189 transitions. [2023-11-06 23:09:51,570 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1189 transitions. Word has length 207 [2023-11-06 23:09:51,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:51,571 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1189 transitions. [2023-11-06 23:09:51,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.966666666666667) internal successors, (119), 28 states have internal predecessors, (119), 8 states have call successors, (57), 6 states have call predecessors, (57), 10 states have return successors, (58), 8 states have call predecessors, (58), 8 states have call successors, (58) [2023-11-06 23:09:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1189 transitions. [2023-11-06 23:09:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-06 23:09:51,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:51,576 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:51,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-06 23:09:51,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:09:51,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:51,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:51,785 INFO L85 PathProgramCache]: Analyzing trace with hash 445041668, now seen corresponding path program 1 times [2023-11-06 23:09:51,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:51,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890169645] [2023-11-06 23:09:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:51,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:51,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629919353] [2023-11-06 23:09:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:51,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:51,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:09:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:52,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:09:52,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:09:52,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:52,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:52,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890169645] [2023-11-06 23:09:52,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:52,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629919353] [2023-11-06 23:09:52,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629919353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:52,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:52,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:09:52,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582215930] [2023-11-06 23:09:52,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:52,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:09:52,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:52,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:09:52,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:09:52,451 INFO L87 Difference]: Start difference. First operand 869 states and 1189 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:53,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:53,330 INFO L93 Difference]: Finished difference Result 1568 states and 2156 transitions. [2023-11-06 23:09:53,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:09:53,331 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2023-11-06 23:09:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:53,344 INFO L225 Difference]: With dead ends: 1568 [2023-11-06 23:09:53,344 INFO L226 Difference]: Without dead ends: 1075 [2023-11-06 23:09:53,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:09:53,350 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 288 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:53,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 625 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:09:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2023-11-06 23:09:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 774. [2023-11-06 23:09:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 596 states have (on average 1.278523489932886) internal successors, (762), 599 states have internal predecessors, (762), 139 states have call successors, (139), 38 states have call predecessors, (139), 38 states have return successors, (139), 136 states have call predecessors, (139), 139 states have call successors, (139) [2023-11-06 23:09:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1040 transitions. [2023-11-06 23:09:53,559 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1040 transitions. Word has length 207 [2023-11-06 23:09:53,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:53,560 INFO L495 AbstractCegarLoop]: Abstraction has 774 states and 1040 transitions. [2023-11-06 23:09:53,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1040 transitions. [2023-11-06 23:09:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-06 23:09:53,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:53,571 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:53,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:53,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:53,779 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:53,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1549103038, now seen corresponding path program 1 times [2023-11-06 23:09:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:53,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548990684] [2023-11-06 23:09:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:53,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:53,821 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:53,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215349584] [2023-11-06 23:09:53,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:53,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:53,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:53,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:09:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:54,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:09:54,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:09:54,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:54,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548990684] [2023-11-06 23:09:54,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:09:54,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215349584] [2023-11-06 23:09:54,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215349584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:54,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:54,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 23:09:54,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546613397] [2023-11-06 23:09:54,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:54,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:09:54,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:54,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:09:54,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:09:54,595 INFO L87 Difference]: Start difference. First operand 774 states and 1040 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:55,703 INFO L93 Difference]: Finished difference Result 1751 states and 2364 transitions. [2023-11-06 23:09:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 23:09:55,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2023-11-06 23:09:55,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:55,713 INFO L225 Difference]: With dead ends: 1751 [2023-11-06 23:09:55,713 INFO L226 Difference]: Without dead ends: 1230 [2023-11-06 23:09:55,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:09:55,718 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 392 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:55,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 669 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:09:55,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2023-11-06 23:09:55,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 903. [2023-11-06 23:09:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 725 states have (on average 1.3062068965517242) internal successors, (947), 728 states have internal predecessors, (947), 139 states have call successors, (139), 38 states have call predecessors, (139), 38 states have return successors, (139), 136 states have call predecessors, (139), 139 states have call successors, (139) [2023-11-06 23:09:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1225 transitions. [2023-11-06 23:09:55,920 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1225 transitions. Word has length 207 [2023-11-06 23:09:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:55,921 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1225 transitions. [2023-11-06 23:09:55,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:09:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1225 transitions. [2023-11-06 23:09:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-06 23:09:55,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:55,925 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:55,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:56,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:56,132 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:56,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:56,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1542817456, now seen corresponding path program 1 times [2023-11-06 23:09:56,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:56,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836737092] [2023-11-06 23:09:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:56,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:56,175 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:09:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250982296] [2023-11-06 23:09:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:56,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:56,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:09:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:56,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-06 23:09:56,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:00,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 670 proven. 321 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2023-11-06 23:10:00,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:10:02,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:02,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836737092] [2023-11-06 23:10:02,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:02,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250982296] [2023-11-06 23:10:02,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250982296] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:02,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:10:02,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [25] total 30 [2023-11-06 23:10:02,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250086449] [2023-11-06 23:10:02,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:02,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:10:02,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:02,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:10:02,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2023-11-06 23:10:02,338 INFO L87 Difference]: Start difference. First operand 903 states and 1225 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:10:03,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:03,931 INFO L93 Difference]: Finished difference Result 1953 states and 2646 transitions. [2023-11-06 23:10:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:10:03,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2023-11-06 23:10:03,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:03,944 INFO L225 Difference]: With dead ends: 1953 [2023-11-06 23:10:03,944 INFO L226 Difference]: Without dead ends: 1528 [2023-11-06 23:10:03,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=234, Invalid=956, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 23:10:03,950 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 342 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:03,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 530 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 23:10:03,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2023-11-06 23:10:04,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 968. [2023-11-06 23:10:04,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 790 states have (on average 1.308860759493671) internal successors, (1034), 793 states have internal predecessors, (1034), 139 states have call successors, (139), 38 states have call predecessors, (139), 38 states have return successors, (139), 136 states have call predecessors, (139), 139 states have call successors, (139) [2023-11-06 23:10:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1312 transitions. [2023-11-06 23:10:04,185 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1312 transitions. Word has length 208 [2023-11-06 23:10:04,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:04,186 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1312 transitions. [2023-11-06 23:10:04,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:10:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1312 transitions. [2023-11-06 23:10:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-06 23:10:04,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:04,189 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:04,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:04,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:04,398 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:04,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:04,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1063206098, now seen corresponding path program 1 times [2023-11-06 23:10:04,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:04,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129026526] [2023-11-06 23:10:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:04,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:04,462 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:04,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166072573] [2023-11-06 23:10:04,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:04,475 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:04,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:10:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:04,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 23:10:04,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 692 proven. 210 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-06 23:10:06,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 24 proven. 66 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 23:10:08,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129026526] [2023-11-06 23:10:08,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166072573] [2023-11-06 23:10:08,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166072573] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:10:08,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:10:08,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13] total 30 [2023-11-06 23:10:08,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026320650] [2023-11-06 23:10:08,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:10:08,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-06 23:10:08,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:08,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-06 23:10:08,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=730, Unknown=0, NotChecked=0, Total=870 [2023-11-06 23:10:08,588 INFO L87 Difference]: Start difference. First operand 968 states and 1312 transitions. Second operand has 30 states, 30 states have (on average 3.7) internal successors, (111), 29 states have internal predecessors, (111), 5 states have call successors, (57), 4 states have call predecessors, (57), 7 states have return successors, (58), 5 states have call predecessors, (58), 5 states have call successors, (58) [2023-11-06 23:10:35,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:35,862 INFO L93 Difference]: Finished difference Result 4216 states and 5694 transitions. [2023-11-06 23:10:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2023-11-06 23:10:35,863 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.7) internal successors, (111), 29 states have internal predecessors, (111), 5 states have call successors, (57), 4 states have call predecessors, (57), 7 states have return successors, (58), 5 states have call predecessors, (58), 5 states have call successors, (58) Word has length 208 [2023-11-06 23:10:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:35,891 INFO L225 Difference]: With dead ends: 4216 [2023-11-06 23:10:35,891 INFO L226 Difference]: Without dead ends: 3694 [2023-11-06 23:10:35,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20524 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=7906, Invalid=43850, Unknown=0, NotChecked=0, Total=51756 [2023-11-06 23:10:35,921 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 2281 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 5399 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 6005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 5399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:35,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 3480 Invalid, 6005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [606 Valid, 5399 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-06 23:10:35,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2023-11-06 23:10:36,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 1268. [2023-11-06 23:10:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1088 states have (on average 1.3667279411764706) internal successors, (1487), 1090 states have internal predecessors, (1487), 139 states have call successors, (139), 40 states have call predecessors, (139), 40 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2023-11-06 23:10:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1765 transitions. [2023-11-06 23:10:36,268 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1765 transitions. Word has length 208 [2023-11-06 23:10:36,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:36,269 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1765 transitions. [2023-11-06 23:10:36,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.7) internal successors, (111), 29 states have internal predecessors, (111), 5 states have call successors, (57), 4 states have call predecessors, (57), 7 states have return successors, (58), 5 states have call predecessors, (58), 5 states have call successors, (58) [2023-11-06 23:10:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1765 transitions. [2023-11-06 23:10:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-06 23:10:36,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:36,272 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:36,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:36,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:10:36,480 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:36,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash 315172027, now seen corresponding path program 1 times [2023-11-06 23:10:36,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:36,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724478668] [2023-11-06 23:10:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,547 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:36,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917741736] [2023-11-06 23:10:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:36,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:36,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:36,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:10:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:36,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 23:10:36,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 920 proven. 183 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2023-11-06 23:10:38,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 23:10:39,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:39,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724478668] [2023-11-06 23:10:39,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:39,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917741736] [2023-11-06 23:10:39,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917741736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:10:39,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:10:39,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 23 [2023-11-06 23:10:39,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061661107] [2023-11-06 23:10:39,404 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:10:39,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-06 23:10:39,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:39,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-06 23:10:39,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2023-11-06 23:10:39,407 INFO L87 Difference]: Start difference. First operand 1268 states and 1765 transitions. Second operand has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 22 states have internal predecessors, (112), 6 states have call successors, (62), 5 states have call predecessors, (62), 8 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-06 23:10:45,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:45,322 INFO L93 Difference]: Finished difference Result 2727 states and 3744 transitions. [2023-11-06 23:10:45,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-06 23:10:45,323 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 22 states have internal predecessors, (112), 6 states have call successors, (62), 5 states have call predecessors, (62), 8 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 208 [2023-11-06 23:10:45,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:45,335 INFO L225 Difference]: With dead ends: 2727 [2023-11-06 23:10:45,335 INFO L226 Difference]: Without dead ends: 1582 [2023-11-06 23:10:45,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=836, Invalid=2946, Unknown=0, NotChecked=0, Total=3782 [2023-11-06 23:10:45,341 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1929 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 2759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:45,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 1467 Invalid, 2759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-06 23:10:45,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2023-11-06 23:10:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 861. [2023-11-06 23:10:45,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 720 states have (on average 1.3208333333333333) internal successors, (951), 722 states have internal predecessors, (951), 108 states have call successors, (108), 32 states have call predecessors, (108), 32 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 23:10:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1167 transitions. [2023-11-06 23:10:45,648 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1167 transitions. Word has length 208 [2023-11-06 23:10:45,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:45,649 INFO L495 AbstractCegarLoop]: Abstraction has 861 states and 1167 transitions. [2023-11-06 23:10:45,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 22 states have internal predecessors, (112), 6 states have call successors, (62), 5 states have call predecessors, (62), 8 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-06 23:10:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1167 transitions. [2023-11-06 23:10:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 23:10:45,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:45,652 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:45,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-06 23:10:45,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:45,860 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:45,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:45,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1204713749, now seen corresponding path program 1 times [2023-11-06 23:10:45,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:45,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571541344] [2023-11-06 23:10:45,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:45,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:45,928 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:45,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583350332] [2023-11-06 23:10:45,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:45,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:45,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:45,941 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:45,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:10:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:46,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:10:46,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 670 proven. 144 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2023-11-06 23:10:47,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 147 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-11-06 23:10:47,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:47,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571541344] [2023-11-06 23:10:47,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:47,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583350332] [2023-11-06 23:10:47,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583350332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:10:47,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:10:47,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2023-11-06 23:10:47,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023995865] [2023-11-06 23:10:47,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:10:47,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 23:10:47,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:47,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 23:10:47,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:10:47,492 INFO L87 Difference]: Start difference. First operand 861 states and 1167 transitions. Second operand has 15 states, 15 states have (on average 7.133333333333334) internal successors, (107), 15 states have internal predecessors, (107), 4 states have call successors, (57), 3 states have call predecessors, (57), 7 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2023-11-06 23:10:49,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:49,026 INFO L93 Difference]: Finished difference Result 2145 states and 2918 transitions. [2023-11-06 23:10:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-06 23:10:49,027 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.133333333333334) internal successors, (107), 15 states have internal predecessors, (107), 4 states have call successors, (57), 3 states have call predecessors, (57), 7 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 209 [2023-11-06 23:10:49,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:49,036 INFO L225 Difference]: With dead ends: 2145 [2023-11-06 23:10:49,036 INFO L226 Difference]: Without dead ends: 1395 [2023-11-06 23:10:49,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 404 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=429, Invalid=1053, Unknown=0, NotChecked=0, Total=1482 [2023-11-06 23:10:49,040 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 955 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:49,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 425 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:10:49,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2023-11-06 23:10:49,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 930. [2023-11-06 23:10:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 789 states have (on average 1.3219264892268694) internal successors, (1043), 791 states have internal predecessors, (1043), 108 states have call successors, (108), 32 states have call predecessors, (108), 32 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 23:10:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1259 transitions. [2023-11-06 23:10:49,281 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1259 transitions. Word has length 209 [2023-11-06 23:10:49,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:49,282 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1259 transitions. [2023-11-06 23:10:49,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.133333333333334) internal successors, (107), 15 states have internal predecessors, (107), 4 states have call successors, (57), 3 states have call predecessors, (57), 7 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2023-11-06 23:10:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1259 transitions. [2023-11-06 23:10:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 23:10:49,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:49,285 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:49,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:49,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:10:49,493 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:49,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:49,493 INFO L85 PathProgramCache]: Analyzing trace with hash -143448820, now seen corresponding path program 1 times [2023-11-06 23:10:49,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:49,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52771679] [2023-11-06 23:10:49,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:49,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:49,554 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:49,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504158370] [2023-11-06 23:10:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:49,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:49,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:49,556 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:49,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:10:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:50,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-06 23:10:50,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 722 proven. 264 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2023-11-06 23:10:52,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:10:54,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:54,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52771679] [2023-11-06 23:10:54,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:54,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504158370] [2023-11-06 23:10:54,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504158370] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:54,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:10:54,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 27 [2023-11-06 23:10:54,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717659942] [2023-11-06 23:10:54,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:54,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:10:54,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:54,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:10:54,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=551, Unknown=0, NotChecked=0, Total=702 [2023-11-06 23:10:54,014 INFO L87 Difference]: Start difference. First operand 930 states and 1259 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:10:54,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:54,999 INFO L93 Difference]: Finished difference Result 2513 states and 3418 transitions. [2023-11-06 23:10:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:10:55,000 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2023-11-06 23:10:55,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:55,009 INFO L225 Difference]: With dead ends: 2513 [2023-11-06 23:10:55,009 INFO L226 Difference]: Without dead ends: 1699 [2023-11-06 23:10:55,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=202, Invalid=790, Unknown=0, NotChecked=0, Total=992 [2023-11-06 23:10:55,012 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 439 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:55,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 536 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:10:55,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2023-11-06 23:10:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1087. [2023-11-06 23:10:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 946 states have (on average 1.3456659619450317) internal successors, (1273), 948 states have internal predecessors, (1273), 108 states have call successors, (108), 32 states have call predecessors, (108), 32 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 23:10:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1489 transitions. [2023-11-06 23:10:55,302 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1489 transitions. Word has length 209 [2023-11-06 23:10:55,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:55,302 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1489 transitions. [2023-11-06 23:10:55,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:10:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1489 transitions. [2023-11-06 23:10:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 23:10:55,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:55,305 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:55,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:55,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:10:55,514 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:55,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1154566070, now seen corresponding path program 1 times [2023-11-06 23:10:55,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:55,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661191256] [2023-11-06 23:10:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:55,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:55,560 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:55,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830854283] [2023-11-06 23:10:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:55,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:55,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:55,562 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:55,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:10:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:55,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 23:10:55,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 454 proven. 78 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2023-11-06 23:10:56,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:10:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:10:58,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:58,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661191256] [2023-11-06 23:10:58,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:58,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830854283] [2023-11-06 23:10:58,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830854283] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:10:58,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:10:58,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 21 [2023-11-06 23:10:58,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935520570] [2023-11-06 23:10:58,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:58,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:10:58,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:58,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:10:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:10:58,173 INFO L87 Difference]: Start difference. First operand 1087 states and 1489 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:05,789 INFO L93 Difference]: Finished difference Result 2654 states and 3626 transitions. [2023-11-06 23:11:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:11:05,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2023-11-06 23:11:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:05,801 INFO L225 Difference]: With dead ends: 2654 [2023-11-06 23:11:05,801 INFO L226 Difference]: Without dead ends: 1683 [2023-11-06 23:11:05,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2023-11-06 23:11:05,804 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 443 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:05,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 892 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-06 23:11:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2023-11-06 23:11:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1084. [2023-11-06 23:11:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 943 states have (on average 1.344644750795334) internal successors, (1268), 945 states have internal predecessors, (1268), 108 states have call successors, (108), 32 states have call predecessors, (108), 32 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 23:11:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1484 transitions. [2023-11-06 23:11:06,097 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1484 transitions. Word has length 209 [2023-11-06 23:11:06,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:06,098 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1484 transitions. [2023-11-06 23:11:06,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1484 transitions. [2023-11-06 23:11:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 23:11:06,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:06,102 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:06,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:06,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:11:06,311 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:06,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash 279253006, now seen corresponding path program 1 times [2023-11-06 23:11:06,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:06,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233588284] [2023-11-06 23:11:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:06,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:06,360 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:06,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059303700] [2023-11-06 23:11:06,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:06,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:06,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:06,363 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:06,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:11:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:06,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:11:06,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:11:07,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:07,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:07,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233588284] [2023-11-06 23:11:07,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:07,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059303700] [2023-11-06 23:11:07,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059303700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:07,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:07,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:11:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902351472] [2023-11-06 23:11:07,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:07,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:11:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:07,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:11:07,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:07,275 INFO L87 Difference]: Start difference. First operand 1084 states and 1484 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:08,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:08,373 INFO L93 Difference]: Finished difference Result 2601 states and 3524 transitions. [2023-11-06 23:11:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 23:11:08,373 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2023-11-06 23:11:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:08,380 INFO L225 Difference]: With dead ends: 2601 [2023-11-06 23:11:08,381 INFO L226 Difference]: Without dead ends: 1633 [2023-11-06 23:11:08,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:11:08,383 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 177 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:08,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1008 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:11:08,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2023-11-06 23:11:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1106. [2023-11-06 23:11:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 965 states have (on average 1.3492227979274611) internal successors, (1302), 967 states have internal predecessors, (1302), 108 states have call successors, (108), 32 states have call predecessors, (108), 32 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 23:11:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1518 transitions. [2023-11-06 23:11:08,604 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1518 transitions. Word has length 209 [2023-11-06 23:11:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:08,605 INFO L495 AbstractCegarLoop]: Abstraction has 1106 states and 1518 transitions. [2023-11-06 23:11:08,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1518 transitions. [2023-11-06 23:11:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 23:11:08,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:08,608 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:08,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:08,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 23:11:08,815 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:08,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash -731864244, now seen corresponding path program 1 times [2023-11-06 23:11:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151683193] [2023-11-06 23:11:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:08,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:08,849 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:08,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472173216] [2023-11-06 23:11:08,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:08,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:08,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:08,852 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:08,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:11:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:11:09,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:11:10,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:10,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151683193] [2023-11-06 23:11:10,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472173216] [2023-11-06 23:11:10,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472173216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:10,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:10,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 23:11:10,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62117930] [2023-11-06 23:11:10,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:10,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:11:10,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:10,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:11:10,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:11:10,175 INFO L87 Difference]: Start difference. First operand 1106 states and 1518 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:13,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:13,060 INFO L93 Difference]: Finished difference Result 2600 states and 3527 transitions. [2023-11-06 23:11:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 23:11:13,061 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2023-11-06 23:11:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:13,067 INFO L225 Difference]: With dead ends: 2600 [2023-11-06 23:11:13,067 INFO L226 Difference]: Without dead ends: 1610 [2023-11-06 23:11:13,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2023-11-06 23:11:13,069 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 211 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:13,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 869 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 23:11:13,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2023-11-06 23:11:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1052. [2023-11-06 23:11:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 911 states have (on average 1.345773874862788) internal successors, (1226), 913 states have internal predecessors, (1226), 108 states have call successors, (108), 32 states have call predecessors, (108), 32 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 23:11:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1442 transitions. [2023-11-06 23:11:13,303 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1442 transitions. Word has length 209 [2023-11-06 23:11:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:13,303 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1442 transitions. [2023-11-06 23:11:13,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1442 transitions. [2023-11-06 23:11:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-06 23:11:13,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:13,306 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:13,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-06 23:11:13,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:11:13,513 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:13,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:13,513 INFO L85 PathProgramCache]: Analyzing trace with hash -667749192, now seen corresponding path program 1 times [2023-11-06 23:11:13,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:13,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130325956] [2023-11-06 23:11:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:13,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:13,549 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:13,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141040921] [2023-11-06 23:11:13,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:13,551 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:13,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:11:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:11:13,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:11:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:11:14,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:11:14,160 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:11:14,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:11:14,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-06 23:11:14,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 23:11:14,376 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:14,380 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:14,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:14 BoogieIcfgContainer [2023-11-06 23:11:14,543 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:14,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:14,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:14,544 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:14,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:05" (3/4) ... [2023-11-06 23:11:14,547 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:11:14,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:14,549 INFO L158 Benchmark]: Toolchain (without parser) took 130506.66ms. Allocated memory was 163.6MB in the beginning and 513.8MB in the end (delta: 350.2MB). Free memory was 120.4MB in the beginning and 254.8MB in the end (delta: -134.4MB). Peak memory consumption was 216.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:14,549 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:14,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.56ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 103.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:11:14,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.11ms. Allocated memory is still 163.6MB. Free memory was 103.5MB in the beginning and 97.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:14,550 INFO L158 Benchmark]: Boogie Preprocessor took 81.03ms. Allocated memory is still 163.6MB. Free memory was 97.8MB in the beginning and 95.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:14,550 INFO L158 Benchmark]: RCFGBuilder took 1035.68ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 109.1MB in the end (delta: -14.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-06 23:11:14,551 INFO L158 Benchmark]: TraceAbstraction took 128713.15ms. Allocated memory was 163.6MB in the beginning and 513.8MB in the end (delta: 350.2MB). Free memory was 108.5MB in the beginning and 254.8MB in the end (delta: -146.2MB). Peak memory consumption was 202.5MB. Max. memory is 16.1GB. [2023-11-06 23:11:14,551 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 513.8MB. Free memory is still 254.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:14,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.56ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 103.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.11ms. Allocated memory is still 163.6MB. Free memory was 103.5MB in the beginning and 97.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.03ms. Allocated memory is still 163.6MB. Free memory was 97.8MB in the beginning and 95.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1035.68ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 109.1MB in the end (delta: -14.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 128713.15ms. Allocated memory was 163.6MB in the beginning and 513.8MB in the end (delta: 350.2MB). Free memory was 108.5MB in the beginning and 254.8MB in the end (delta: -146.2MB). Peak memory consumption was 202.5MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 513.8MB. Free memory is still 254.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of bitwiseOr at line 199, overapproximation of someBinaryDOUBLEComparisonOperation at line 199, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_5 = 100; [L26] unsigned char var_1_6 = 1; [L27] unsigned short int var_1_7 = 0; [L28] unsigned short int var_1_8 = 21062; [L29] signed long int var_1_9 = -4; [L30] unsigned long int var_1_10 = 256; [L31] unsigned long int var_1_11 = 2706779013; [L32] float var_1_13 = 25.1; [L33] float var_1_15 = 9.25; [L34] float var_1_16 = 0.8; [L35] float var_1_17 = 9.75; [L36] signed long int var_1_18 = 10; [L37] signed long int var_1_19 = 2050467977; [L38] unsigned short int var_1_20 = 1; [L39] unsigned short int var_1_21 = 63087; [L40] unsigned char var_1_22 = 1; [L41] double var_1_23 = 25.3; [L42] double var_1_24 = 999.1; [L43] unsigned char var_1_25 = 5; [L44] unsigned char var_1_26 = 200; [L45] unsigned char var_1_27 = 32; [L46] unsigned char var_1_28 = 4; [L47] unsigned char var_1_29 = 100; [L48] unsigned char var_1_30 = 2; [L49] unsigned char var_1_31 = 0; [L50] unsigned char var_1_32 = 5; [L51] float var_1_33 = 0.8; [L52] unsigned short int last_1_var_1_20 = 1; [L53] unsigned char last_1_var_1_22 = 1; VAL [isInitial=0, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L203] isInitial = 1 [L204] FCALL initially() [L205] COND TRUE 1 [L206] CALL updateLastVariables() [L195] last_1_var_1_20 = var_1_20 [L196] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L206] RET updateLastVariables() [L207] CALL updateVariables() [L145] var_1_2 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L146] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L147] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L147] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L148] var_1_3 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L149] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L150] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L150] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L151] var_1_5 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_5 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L152] RET assume_abort_if_not(var_1_5 >= 64) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L153] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L153] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L154] var_1_6 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L155] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L156] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L156] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L157] var_1_8 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L158] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L159] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L159] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L160] var_1_11 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L161] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L162] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L162] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L163] var_1_15 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L164] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L165] var_1_16 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L166] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L167] var_1_17 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L168] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L169] var_1_19 = __VERIFIER_nondet_long() [L170] CALL assume_abort_if_not(var_1_19 >= 1610612734) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L170] RET assume_abort_if_not(var_1_19 >= 1610612734) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L171] CALL assume_abort_if_not(var_1_19 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L171] RET assume_abort_if_not(var_1_19 <= 2147483646) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L172] var_1_21 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_21 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L173] RET assume_abort_if_not(var_1_21 >= 32767) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L174] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L174] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L175] var_1_26 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_26 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L176] RET assume_abort_if_not(var_1_26 >= 190) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L177] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L177] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L178] var_1_27 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_27 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L179] RET assume_abort_if_not(var_1_27 >= 31) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L180] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L180] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L181] var_1_28 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L182] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L183] CALL assume_abort_if_not(var_1_28 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L183] RET assume_abort_if_not(var_1_28 <= 31) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L184] var_1_29 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_29 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L185] RET assume_abort_if_not(var_1_29 >= 95) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L186] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L186] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L187] var_1_30 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L188] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L189] CALL assume_abort_if_not(var_1_30 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L189] RET assume_abort_if_not(var_1_30 <= 32) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L190] var_1_31 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L191] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L192] CALL assume_abort_if_not(var_1_31 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L192] RET assume_abort_if_not(var_1_31 <= 63) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L207] RET updateVariables() [L208] CALL step() [L57] unsigned char stepLocal_10 = last_1_var_1_22; [L58] signed long int stepLocal_9 = last_1_var_1_20; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_9=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L59] COND TRUE last_1_var_1_22 || stepLocal_10 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_9=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L60] COND TRUE \read(last_1_var_1_22) [L61] var_1_25 = var_1_5 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_9=1, var_1_10=256, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L72] var_1_10 = (var_1_11 - last_1_var_1_20) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L73] EXPR var_1_10 ^ var_1_25 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_9=1, var_1_10 ^ var_1_25=4294967296, var_1_10=2147483646, var_1_11=2147483647, var_1_13=251/10, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L73] unsigned long int stepLocal_4 = var_1_10 ^ var_1_25; [L74] COND TRUE var_1_6 >= stepLocal_4 [L75] var_1_13 = ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_4=0, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L77] COND TRUE ! (var_1_2 && var_1_3) [L78] var_1_22 = ((var_1_21 > var_1_11) && (! 1)) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_4=0, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L80] var_1_32 = var_1_5 [L81] var_1_33 = var_1_15 [L82] unsigned char stepLocal_1 = var_1_22; [L83] unsigned char stepLocal_0 = var_1_25; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_4=0, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L84] COND FALSE !(var_1_22 || stepLocal_1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_4=0, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L89] unsigned long int stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L90] COND TRUE var_1_25 <= stepLocal_3 [L91] var_1_9 = var_1_25 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L93] unsigned long int stepLocal_5 = (3451179663u - var_1_6) * var_1_8; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L94] COND FALSE !(\read(var_1_22)) [L99] var_1_18 = ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L101] signed long int stepLocal_2 = var_1_18; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L102] COND FALSE !((var_1_6 / var_1_5) > stepLocal_2) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L105] COND TRUE ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6 [L106] var_1_23 = ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L114] signed long int stepLocal_7 = 4; [L115] unsigned long int stepLocal_6 = var_1_10; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_6=2147483646, stepLocal_7=4, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L116] COND TRUE var_1_7 < stepLocal_6 [L117] var_1_20 = ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_6=2147483646, stepLocal_7=4, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L129] unsigned short int stepLocal_8 = var_1_20; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_6=2147483646, stepLocal_7=4, stepLocal_8=80, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L130] COND FALSE !(stepLocal_8 > var_1_18) [L141] var_1_24 = var_1_16 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_10=1, stepLocal_1=0, stepLocal_2=16383, stepLocal_3=2147483646, stepLocal_4=0, stepLocal_5=1726934385, stepLocal_6=2147483646, stepLocal_7=4, stepLocal_8=80, stepLocal_9=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L208] RET step() [L209] CALL, EXPR property() [L199] EXPR (((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1) VAL [(((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199] EXPR var_1_10 ^ var_1_25 VAL [(((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10 ^ var_1_25=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199] EXPR (((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1) VAL [(((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10 ^ var_1_25=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199] EXPR (((((((((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)) && (var_1_22 ? ((var_1_9 != ((3451179663u - var_1_6) * var_1_8)) ? (var_1_18 == ((signed long int) (var_1_25 - ((var_1_19 - var_1_10) - var_1_6)))) : 1) : (var_1_18 == ((signed long int) ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))))) && ((var_1_7 < var_1_10) ? (var_1_20 == ((unsigned short int) ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16))) : (var_1_22 ? ((4 >= var_1_32) ? (var_1_20 == ((unsigned short int) ((((var_1_21 - (var_1_8 - 16)) < 0 ) ? -(var_1_21 - (var_1_8 - 16)) : (var_1_21 - (var_1_8 - 16)))))) : (var_1_20 == ((unsigned short int) var_1_8))) : (var_1_20 == ((unsigned short int) var_1_6))))) && ((! (var_1_2 && var_1_3)) ? (var_1_22 == ((unsigned char) ((var_1_21 > var_1_11) && (! 1)))) : 1)) && ((((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6) ? (var_1_23 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))))) : ((var_1_5 <= var_1_7) ? (var_1_23 == ((double) var_1_15)) : (var_1_23 == ((double) var_1_17))))) && ((var_1_20 > var_1_18) ? ((! var_1_22) ? (var_1_24 == ((double) (((((var_1_17 - var_1_16)) > (var_1_15)) ? ((var_1_17 - var_1_16)) : (var_1_15))))) : ((! (var_1_9 <= var_1_20)) ? (var_1_24 == ((double) 9.8)) : (var_1_24 == ((double) var_1_15)))) : (var_1_24 == ((double) var_1_16)))) && ((last_1_var_1_22 || last_1_var_1_22) ? (last_1_var_1_22 ? (var_1_25 == ((unsigned char) var_1_5)) : ((last_1_var_1_20 < (1u * (100u >> var_1_6))) ? (var_1_25 == ((unsigned char) var_1_6)) : (var_1_25 == ((unsigned char) var_1_5)))) : (var_1_25 == ((unsigned char) ((var_1_26 - (var_1_27 - var_1_28)) - ((var_1_29 - var_1_30) - var_1_31))))) VAL [(((((((((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)) && (var_1_22 ? ((var_1_9 != ((3451179663u - var_1_6) * var_1_8)) ? (var_1_18 == ((signed long int) (var_1_25 - ((var_1_19 - var_1_10) - var_1_6)))) : 1) : (var_1_18 == ((signed long int) ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))))) && ((var_1_7 < var_1_10) ? (var_1_20 == ((unsigned short int) ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16))) : (var_1_22 ? ((4 >= var_1_32) ? (var_1_20 == ((unsigned short int) ((((var_1_21 - (var_1_8 - 16)) < 0 ) ? -(var_1_21 - (var_1_8 - 16)) : (var_1_21 - (var_1_8 - 16)))))) : (var_1_20 == ((unsigned short int) var_1_8))) : (var_1_20 == ((unsigned short int) var_1_6))))) && ((! (var_1_2 && var_1_3)) ? (var_1_22 == ((unsigned char) ((var_1_21 > var_1_11) && (! 1)))) : 1)) && ((((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6) ? (var_1_23 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))))) : ((var_1_5 <= var_1_7) ? (var_1_23 == ((double) var_1_15)) : (var_1_23 == ((double) var_1_17))))) && ((var_1_20 > var_1_18) ? ((! var_1_22) ? (var_1_24 == ((double) (((((var_1_17 - var_1_16)) > (var_1_15)) ? ((var_1_17 - var_1_16)) : (var_1_15))))) : ((! (var_1_9 <= var_1_20)) ? (var_1_24 == ((double) 9.8)) : (var_1_24 == ((double) var_1_15)))) : (var_1_24 == ((double) var_1_16)))) && ((last_1_var_1_22 || last_1_var_1_22) ? (last_1_var_1_22 ? (var_1_25 == ((unsigned char) var_1_5)) : ((last_1_var_1_20 < (1u * (100u >> var_1_6))) ? (var_1_25 == ((unsigned char) var_1_6)) : (var_1_25 == ((unsigned char) var_1_5)))) : (var_1_25 == ((unsigned char) ((var_1_26 - (var_1_27 - var_1_28)) - ((var_1_29 - var_1_30) - var_1_31)))))=0, (((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10 ^ var_1_25=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199-L200] return (((((((((((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)) && (var_1_22 ? ((var_1_9 != ((3451179663u - var_1_6) * var_1_8)) ? (var_1_18 == ((signed long int) (var_1_25 - ((var_1_19 - var_1_10) - var_1_6)))) : 1) : (var_1_18 == ((signed long int) ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))))) && ((var_1_7 < var_1_10) ? (var_1_20 == ((unsigned short int) ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16))) : (var_1_22 ? ((4 >= var_1_32) ? (var_1_20 == ((unsigned short int) ((((var_1_21 - (var_1_8 - 16)) < 0 ) ? -(var_1_21 - (var_1_8 - 16)) : (var_1_21 - (var_1_8 - 16)))))) : (var_1_20 == ((unsigned short int) var_1_8))) : (var_1_20 == ((unsigned short int) var_1_6))))) && ((! (var_1_2 && var_1_3)) ? (var_1_22 == ((unsigned char) ((var_1_21 > var_1_11) && (! 1)))) : 1)) && ((((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6) ? (var_1_23 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))))) : ((var_1_5 <= var_1_7) ? (var_1_23 == ((double) var_1_15)) : (var_1_23 == ((double) var_1_17))))) && ((var_1_20 > var_1_18) ? ((! var_1_22) ? (var_1_24 == ((double) (((((var_1_17 - var_1_16)) > (var_1_15)) ? ((var_1_17 - var_1_16)) : (var_1_15))))) : ((! (var_1_9 <= var_1_20)) ? (var_1_24 == ((double) 9.8)) : (var_1_24 == ((double) var_1_15)))) : (var_1_24 == ((double) var_1_16)))) && ((last_1_var_1_22 || last_1_var_1_22) ? (last_1_var_1_22 ? (var_1_25 == ((unsigned char) var_1_5)) : ((last_1_var_1_20 < (1u * (100u >> var_1_6))) ? (var_1_25 == ((unsigned char) var_1_6)) : (var_1_25 == ((unsigned char) var_1_5)))) : (var_1_25 == ((unsigned char) ((var_1_26 - (var_1_27 - var_1_28)) - ((var_1_29 - var_1_30) - var_1_31)))))) && (var_1_32 == ((unsigned char) var_1_5))) && (var_1_33 == ((float) var_1_15)) ; [L209] RET, EXPR property() [L209] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=2147483646, var_1_11=2147483647, var_1_13=2, var_1_15=2, var_1_16=3, var_1_17=4, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=65534, var_1_22=0, var_1_23=5, var_1_24=3, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=63, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 128.5s, OverallIterations: 17, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 80.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 9993 SdHoareTripleChecker+Valid, 37.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9934 mSDsluCounter, 14879 SdHoareTripleChecker+Invalid, 34.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11805 mSDsCounter, 2561 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14457 IncrementalHoareTripleChecker+Invalid, 17019 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2561 mSolverCounterUnsat, 3074 mSDtfsCounter, 14457 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5618 GetRequests, 4976 SyntacticMatches, 1 SemanticMatches, 641 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26345 ImplicationChecksByTransitivity, 43.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1268occurred in iteration=10, InterpolantAutomatonStates: 526, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 8154 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 3730 NumberOfCodeBlocks, 3730 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5160 ConstructedInterpolants, 3 QuantifiedInterpolants, 41109 SizeOfPredicates, 171 NumberOfNonLiveVariables, 7839 ConjunctsInSsa, 309 ConjunctsInUnsatCore, 25 InterpolantComputations, 10 PerfectInterpolantSequences, 44247/46500 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 23:11:14,796 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 23:11:14,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:17,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:17,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:11:17,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:17,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:17,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:17,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:17,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:17,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:17,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:17,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:17,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:17,457 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:17,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:17,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:17,459 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:17,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:17,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:17,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:17,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:17,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:17,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:11:17,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:11:17,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:11:17,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:17,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:17,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:17,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:17,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:17,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:17,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:17,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:17,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:17,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:17,470 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:11:17,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:11:17,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:17,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:17,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:17,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:17,472 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:11:17,473 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:17,473 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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2023-11-06 23:11:17,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:17,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:17,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:17,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:17,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:17,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-06 23:11:21,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:21,681 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:21,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-06 23:11:21,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data/307efb40f/9f3f6100f7204d6f9424d8d2bd5f735e/FLAGcbe26e7a1 [2023-11-06 23:11:21,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/data/307efb40f/9f3f6100f7204d6f9424d8d2bd5f735e [2023-11-06 23:11:21,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:21,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:21,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:21,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:21,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:21,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:21" (1/1) ... [2023-11-06 23:11:21,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a589d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:21, skipping insertion in model container [2023-11-06 23:11:21,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:21" (1/1) ... [2023-11-06 23:11:21,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:22,017 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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-06 23:11:22,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:22,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:22,175 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_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-06 23:11:22,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:22,254 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:22,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22 WrapperNode [2023-11-06 23:11:22,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:22,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:22,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:22,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:22,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,358 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-06 23:11:22,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:22,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:22,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:22,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:22,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:22,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:22,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:22,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:22,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (1/1) ... [2023-11-06 23:11:22,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:22,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:22,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:11:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:11:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:11:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:22,855 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:22,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:26,484 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:26,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:26,498 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:11:26,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:26 BoogieIcfgContainer [2023-11-06 23:11:26,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:26,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:26,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:26,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:26,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:21" (1/3) ... [2023-11-06 23:11:26,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd22318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:26, skipping insertion in model container [2023-11-06 23:11:26,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:22" (2/3) ... [2023-11-06 23:11:26,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd22318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:26, skipping insertion in model container [2023-11-06 23:11:26,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:26" (3/3) ... [2023-11-06 23:11:26,512 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-06 23:11:26,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:26,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:11:26,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:26,615 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;@56874617, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:26,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:11:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 23:11:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 23:11:26,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:26,688 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:26,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:26,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:26,707 INFO L85 PathProgramCache]: Analyzing trace with hash 156744060, now seen corresponding path program 1 times [2023-11-06 23:11:26,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:11:26,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022953269] [2023-11-06 23:11:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:26,739 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 23:11:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:11:26,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:11:26,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:11:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:27,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:27,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 23:11:28,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:28,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:11:28,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022953269] [2023-11-06 23:11:28,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022953269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:28,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:28,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:11:28,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897582411] [2023-11-06 23:11:28,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:28,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:28,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:11:28,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:28,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:28,591 INFO L87 Difference]: Start difference. First operand has 93 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:31,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:32,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:35,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:37,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:37,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:37,585 INFO L93 Difference]: Finished difference Result 291 states and 527 transitions. [2023-11-06 23:11:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:37,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-11-06 23:11:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:37,646 INFO L225 Difference]: With dead ends: 291 [2023-11-06 23:11:37,646 INFO L226 Difference]: Without dead ends: 201 [2023-11-06 23:11:37,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 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 23:11:37,656 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 113 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 68 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:37,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 414 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-11-06 23:11:37,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-06 23:11:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 172. [2023-11-06 23:11:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 23:11:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 264 transitions. [2023-11-06 23:11:37,760 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 264 transitions. Word has length 198 [2023-11-06 23:11:37,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:37,762 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 264 transitions. [2023-11-06 23:11:37,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 23:11:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 264 transitions. [2023-11-06 23:11:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 23:11:37,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:37,769 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:37,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:37,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:11:37,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:37,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:37,991 INFO L85 PathProgramCache]: Analyzing trace with hash -257273013, now seen corresponding path program 1 times [2023-11-06 23:11:37,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:11:37,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585904679] [2023-11-06 23:11:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:37,993 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 23:11:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:11:37,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:11:38,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:11:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:38,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:11:38,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 722 proven. 264 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2023-11-06 23:11:42,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:48,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:11:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585904679] [2023-11-06 23:11:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585904679] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:48,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [209951650] [2023-11-06 23:11:48,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:11:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:11:48,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:11:48,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 23:11:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:49,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:11:49,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 850 proven. 60 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-06 23:11:50,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:51,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [209951650] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:51,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:11:51,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6] total 19 [2023-11-06 23:11:51,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637349753] [2023-11-06 23:11:51,511 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 23:11:51,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:11:51,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 23:11:51,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2023-11-06 23:11:51,519 INFO L87 Difference]: Start difference. First operand 172 states and 264 transitions. Second operand has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 17 states have internal predecessors, (96), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) [2023-11-06 23:12:00,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:12:03,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:12:07,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:12:09,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:12:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:10,300 INFO L93 Difference]: Finished difference Result 510 states and 730 transitions. [2023-11-06 23:12:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-06 23:12:10,302 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 17 states have internal predecessors, (96), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) Word has length 199 [2023-11-06 23:12:10,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:10,309 INFO L225 Difference]: With dead ends: 510 [2023-11-06 23:12:10,309 INFO L226 Difference]: Without dead ends: 341 [2023-11-06 23:12:10,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=852, Invalid=2808, Unknown=0, NotChecked=0, Total=3660 [2023-11-06 23:12:10,316 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 547 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 69 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:10,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 623 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1037 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-11-06 23:12:10,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-11-06 23:12:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 263. [2023-11-06 23:12:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 178 states have (on average 1.2640449438202248) internal successors, (225), 180 states have internal predecessors, (225), 70 states have call successors, (70), 14 states have call predecessors, (70), 14 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-06 23:12:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 365 transitions. [2023-11-06 23:12:10,437 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 365 transitions. Word has length 199 [2023-11-06 23:12:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:10,440 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 365 transitions. [2023-11-06 23:12:10,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 17 states have internal predecessors, (96), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) [2023-11-06 23:12:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 365 transitions. [2023-11-06 23:12:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 23:12:10,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:10,455 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:12:10,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:12:10,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 23:12:10,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:10,875 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1955723531, now seen corresponding path program 1 times [2023-11-06 23:12:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:10,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667706390] [2023-11-06 23:12:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:10,877 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 23:12:10,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:10,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/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 23:12:10,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c8b4c-c900-4428-bcb0-0b8e37ffa6f5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 23:12:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:11,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:12:11,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 895 proven. 132 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2023-11-06 23:12:14,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 23:12:15,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:15,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667706390] [2023-11-06 23:12:15,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667706390] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:15,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:12:15,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2023-11-06 23:12:15,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233618679] [2023-11-06 23:12:15,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:15,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 23:12:15,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:15,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 23:12:15,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:12:15,082 INFO L87 Difference]: Start difference. First operand 263 states and 365 transitions. Second operand has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 5 states have call successors, (62), 4 states have call predecessors, (62), 7 states have return successors, (62), 5 states have call predecessors, (62), 5 states have call successors, (62) [2023-11-06 23:12:20,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:22,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:23,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []