./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.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_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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_7dea788a-df12-4791-9e13-07b8cdec1661/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 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:05,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:05,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:02:05,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:05,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:05,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:05,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:05,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:05,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:05,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:05,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:05,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:05,781 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:05,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:05,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:05,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:05,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:02:05,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:05,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:05,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:05,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:05,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:05,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:05,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:05,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:05,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:05,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:05,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:05,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:05,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:05,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:05,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:05,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:02:05,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:02:05,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:05,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:05,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:05,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:05,796 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:05,797 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_7dea788a-df12-4791-9e13-07b8cdec1661/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 [2023-11-06 23:02:06,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:06,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:06,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:06,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:06,144 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:06,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-06 23:02:09,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:09,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:09,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-06 23:02:09,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data/fee1b42be/379001c43a5e47e7aed6ff0b8a9d5ede/FLAG36a6ceb33 [2023-11-06 23:02:09,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data/fee1b42be/379001c43a5e47e7aed6ff0b8a9d5ede [2023-11-06 23:02:09,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:09,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:09,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:09,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:09,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:09,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:09" (1/1) ... [2023-11-06 23:02:09,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b38628c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:09, skipping insertion in model container [2023-11-06 23:02:09,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:09" (1/1) ... [2023-11-06 23:02:09,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:09,899 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_7dea788a-df12-4791-9e13-07b8cdec1661/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-06 23:02:09,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:09,970 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:09,985 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_7dea788a-df12-4791-9e13-07b8cdec1661/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-06 23:02:10,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:10,027 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:10,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10 WrapperNode [2023-11-06 23:02:10,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:10,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:10,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:10,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:10,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,092 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2023-11-06 23:02:10,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:10,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:10,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:10,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:10,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:10,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:10,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:10,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:10,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (1/1) ... [2023-11-06 23:02:10,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:10,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:10,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:10,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:02:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:02:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:10,291 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:10,294 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:10,605 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:10,611 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:10,615 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:10,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:10 BoogieIcfgContainer [2023-11-06 23:02:10,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:10,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:10,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:10,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:10,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:09" (1/3) ... [2023-11-06 23:02:10,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fc6143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:10, skipping insertion in model container [2023-11-06 23:02:10,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:10" (2/3) ... [2023-11-06 23:02:10,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fc6143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:10, skipping insertion in model container [2023-11-06 23:02:10,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:10" (3/3) ... [2023-11-06 23:02:10,633 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-9.i [2023-11-06 23:02:10,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:10,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:10,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:10,737 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;@77c24a48, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:10,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:02:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 23:02:10,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:10,756 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:10,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:10,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:10,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1288265670, now seen corresponding path program 1 times [2023-11-06 23:02:10,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:10,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141377751] [2023-11-06 23:02:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:10,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:11,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:02:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:11,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:02:11,222 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:02:11,224 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:02:11,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:02:11,230 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 23:02:11,233 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:02:11,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:02:11 BoogieIcfgContainer [2023-11-06 23:02:11,292 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:02:11,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:02:11,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:02:11,293 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:02:11,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:10" (3/4) ... [2023-11-06 23:02:11,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:02:11,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:02:11,298 INFO L158 Benchmark]: Toolchain (without parser) took 1642.97ms. Allocated memory is still 151.0MB. Free memory was 113.7MB in the beginning and 112.6MB in the end (delta: 1.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-06 23:02:11,299 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:11,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.34ms. Allocated memory is still 151.0MB. Free memory was 113.7MB in the beginning and 102.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:02:11,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.06ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:11,301 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 151.0MB. Free memory was 100.3MB in the beginning and 99.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:11,301 INFO L158 Benchmark]: RCFGBuilder took 495.55ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 87.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:02:11,302 INFO L158 Benchmark]: TraceAbstraction took 670.04ms. Allocated memory is still 151.0MB. Free memory was 86.5MB in the beginning and 112.6MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:11,302 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 151.0MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:11,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.34ms. Allocated memory is still 151.0MB. Free memory was 113.7MB in the beginning and 102.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.06ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 151.0MB. Free memory was 100.3MB in the beginning and 99.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.55ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 87.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 670.04ms. Allocated memory is still 151.0MB. Free memory was 86.5MB in the beginning and 112.6MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 151.0MB. Free memory is still 112.6MB. 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 someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 5; [L25] double var_1_4 = 4.2; [L26] double var_1_5 = 16.375; [L27] double var_1_6 = 99999.495; [L28] double var_1_7 = 1.2; [L29] double var_1_8 = 4.2; VAL [isInitial=0, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L73] isInitial = 1 [L74] FCALL initially() [L75] COND TRUE 1 [L76] FCALL updateLastVariables() [L77] CALL updateVariables() [L51] var_1_2 = __VERIFIER_nondet_uchar() [L52] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L52] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L53] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L53] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L54] var_1_3 = __VERIFIER_nondet_ushort() [L55] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L55] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L56] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L56] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L57] var_1_5 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L58] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=6/5, var_1_8=21/5] [L60] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=6/5, var_1_8=21/5] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=21/5] [L62] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=21/5] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L64] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L77] RET updateVariables() [L78] CALL step() [L33] COND TRUE ! var_1_2 [L34] var_1_1 = var_1_3 VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=21/5, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L36] COND FALSE !(31.6 > var_1_5) [L47] var_1_4 = var_1_8 VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=100006, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L78] RET step() [L79] CALL, EXPR property() [L69-L70] return ((! var_1_2) ? (var_1_1 == ((unsigned short int) var_1_3)) : 1) && ((31.6 > var_1_5) ? ((var_1_5 > var_1_6) ? (var_1_4 == ((double) ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_2 ? (var_1_4 == ((double) var_1_8)) : (var_1_4 == ((double) 1.0000000000000875E13)))) : (var_1_4 == ((double) var_1_8))) ; VAL [\result=0, isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=100006, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L79] RET, EXPR property() [L79] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=100006, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=100006, var_1_5=100005, var_1_6=100007, var_1_7=100004, var_1_8=100006] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 23:02:11,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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_7dea788a-df12-4791-9e13-07b8cdec1661/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 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:14,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:14,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:02:14,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:14,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:14,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:14,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:14,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:14,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:14,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:14,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:14,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:14,219 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:14,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:14,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:14,222 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:14,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:14,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:14,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:14,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:14,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:14,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:02:14,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:02:14,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:02:14,227 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:14,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:14,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:14,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:14,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:14,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:14,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:14,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:14,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:14,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:14,231 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:02:14,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:02:14,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:14,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:14,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:14,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:14,234 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:02:14,234 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:14,234 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_7dea788a-df12-4791-9e13-07b8cdec1661/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 [2023-11-06 23:02:14,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:14,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:14,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:14,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:14,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:14,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-06 23:02:17,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:18,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:18,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-06 23:02:18,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data/93b6cca81/f938729034fb4b2f8257f34a7290c02c/FLAG5b9e42bed [2023-11-06 23:02:18,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/data/93b6cca81/f938729034fb4b2f8257f34a7290c02c [2023-11-06 23:02:18,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:18,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:18,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:18,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:18,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:18,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecca486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18, skipping insertion in model container [2023-11-06 23:02:18,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:18,430 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_7dea788a-df12-4791-9e13-07b8cdec1661/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-06 23:02:18,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:18,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:18,525 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_7dea788a-df12-4791-9e13-07b8cdec1661/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-06 23:02:18,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:18,574 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:18,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18 WrapperNode [2023-11-06 23:02:18,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:18,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:18,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:18,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:18,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,645 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2023-11-06 23:02:18,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:18,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:18,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:18,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:18,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:18,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:18,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:18,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:18,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (1/1) ... [2023-11-06 23:02:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:18,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:18,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:18,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:02:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:02:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:02:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:18,894 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:18,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:19,201 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:19,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:19,208 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:19,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:19 BoogieIcfgContainer [2023-11-06 23:02:19,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:19,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:19,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:19,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:19,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:18" (1/3) ... [2023-11-06 23:02:19,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e1a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:19, skipping insertion in model container [2023-11-06 23:02:19,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:18" (2/3) ... [2023-11-06 23:02:19,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e1a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:19, skipping insertion in model container [2023-11-06 23:02:19,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:19" (3/3) ... [2023-11-06 23:02:19,220 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-9.i [2023-11-06 23:02:19,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:19,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:19,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:19,294 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;@37c09961, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:19,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:02:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 23:02:19,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:19,313 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:19,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:19,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:19,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1288265670, now seen corresponding path program 1 times [2023-11-06 23:02:19,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:02:19,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333965789] [2023-11-06 23:02:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:19,343 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 23:02:19,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:02:19,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:19,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:19,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:02:19,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-06 23:02:27,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:27,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:02:27,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333965789] [2023-11-06 23:02:27,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333965789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:27,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:27,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:02:27,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142381324] [2023-11-06 23:02:27,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:27,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:02:27,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:02:27,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:02:27,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:02:27,241 INFO L87 Difference]: Start difference. First operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:02:34,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:34,504 INFO L93 Difference]: Finished difference Result 129 states and 205 transitions. [2023-11-06 23:02:34,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 23:02:34,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 57 [2023-11-06 23:02:34,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:34,515 INFO L225 Difference]: With dead ends: 129 [2023-11-06 23:02:34,516 INFO L226 Difference]: Without dead ends: 95 [2023-11-06 23:02:34,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2023-11-06 23:02:34,522 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 105 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:34,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 213 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-06 23:02:34,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-06 23:02:34,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 55. [2023-11-06 23:02:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 42 states have internal predecessors, (50), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 23:02:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2023-11-06 23:02:34,573 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 57 [2023-11-06 23:02:34,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:34,574 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2023-11-06 23:02:34,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:02:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-06 23:02:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 23:02:34,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:34,577 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:34,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 23:02:34,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:34,784 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:34,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:34,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1345523972, now seen corresponding path program 1 times [2023-11-06 23:02:34,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:02:34,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686107477] [2023-11-06 23:02:34,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:34,785 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 23:02:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:02:34,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:34,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:34,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:02:34,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-06 23:02:39,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:39,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:02:39,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686107477] [2023-11-06 23:02:39,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686107477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:39,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:39,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:02:39,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367861133] [2023-11-06 23:02:39,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:39,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:02:39,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:02:39,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:02:39,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:02:39,739 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:02:44,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:44,483 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2023-11-06 23:02:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 23:02:44,485 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 57 [2023-11-06 23:02:44,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:44,489 INFO L225 Difference]: With dead ends: 151 [2023-11-06 23:02:44,489 INFO L226 Difference]: Without dead ends: 99 [2023-11-06 23:02:44,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-06 23:02:44,492 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 79 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:44,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 227 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-06 23:02:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-06 23:02:44,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 58. [2023-11-06 23:02:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 45 states have internal predecessors, (52), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 23:02:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-06 23:02:44,511 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 57 [2023-11-06 23:02:44,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:44,511 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-06 23:02:44,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:02:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-06 23:02:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 23:02:44,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:44,514 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:44,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:44,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:44,729 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:44,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:44,729 INFO L85 PathProgramCache]: Analyzing trace with hash 898206425, now seen corresponding path program 1 times [2023-11-06 23:02:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:02:44,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957500587] [2023-11-06 23:02:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:44,730 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 23:02:44,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:02:44,732 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:44,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 23:02:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:44,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:02:44,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-06 23:02:49,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:49,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:02:49,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957500587] [2023-11-06 23:02:49,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957500587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:49,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:49,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 23:02:49,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989248950] [2023-11-06 23:02:49,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:49,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:02:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:02:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:02:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:02:49,025 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:02:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:55,738 INFO L93 Difference]: Finished difference Result 121 states and 147 transitions. [2023-11-06 23:02:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 23:02:55,740 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-06 23:02:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:55,742 INFO L225 Difference]: With dead ends: 121 [2023-11-06 23:02:55,742 INFO L226 Difference]: Without dead ends: 119 [2023-11-06 23:02:55,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 23:02:55,745 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 165 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:55,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 217 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 23:02:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-06 23:02:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 62. [2023-11-06 23:02:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 23:02:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2023-11-06 23:02:55,761 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 58 [2023-11-06 23:02:55,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:55,761 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2023-11-06 23:02:55,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:02:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2023-11-06 23:02:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 23:02:55,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:55,764 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:55,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:55,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:55,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:55,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1621753509, now seen corresponding path program 1 times [2023-11-06 23:02:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:02:55,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910743808] [2023-11-06 23:02:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:55,973 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 23:02:55,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:02:55,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:02:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:56,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:02:56,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-06 23:03:00,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:00,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:00,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910743808] [2023-11-06 23:03:00,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910743808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:00,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:00,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 23:03:00,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702032138] [2023-11-06 23:03:00,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:00,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:03:00,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:00,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:03:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:03:00,140 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:03:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:04,442 INFO L93 Difference]: Finished difference Result 114 states and 140 transitions. [2023-11-06 23:03:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 23:03:04,444 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-06 23:03:04,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:04,445 INFO L225 Difference]: With dead ends: 114 [2023-11-06 23:03:04,446 INFO L226 Difference]: Without dead ends: 112 [2023-11-06 23:03:04,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2023-11-06 23:03:04,448 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:04,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 341 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 23:03:04,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-06 23:03:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 62. [2023-11-06 23:03:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 23:03:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2023-11-06 23:03:04,464 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 58 [2023-11-06 23:03:04,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:04,464 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2023-11-06 23:03:04,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:03:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2023-11-06 23:03:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 23:03:04,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:04,466 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:04,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:04,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:03:04,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:04,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:04,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2127173630, now seen corresponding path program 1 times [2023-11-06 23:03:04,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:04,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447926470] [2023-11-06 23:03:04,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:04,669 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 23:03:04,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:04,675 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:03:04,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 23:03:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:04,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:03:04,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-06 23:03:06,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:06,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447926470] [2023-11-06 23:03:06,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447926470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:06,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:06,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:03:06,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030900826] [2023-11-06 23:03:06,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:06,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:03:06,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:06,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:03:06,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:03:06,032 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:03:07,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:09,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:09,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:09,561 INFO L93 Difference]: Finished difference Result 158 states and 198 transitions. [2023-11-06 23:03:09,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:03:09,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59 [2023-11-06 23:03:09,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:09,566 INFO L225 Difference]: With dead ends: 158 [2023-11-06 23:03:09,567 INFO L226 Difference]: Without dead ends: 99 [2023-11-06 23:03:09,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:03:09,569 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 51 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:09,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 278 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-06 23:03:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-06 23:03:09,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 59. [2023-11-06 23:03:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 45 states have internal predecessors, (50), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 23:03:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2023-11-06 23:03:09,597 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 59 [2023-11-06 23:03:09,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:09,598 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2023-11-06 23:03:09,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:03:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2023-11-06 23:03:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 23:03:09,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:09,607 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:09,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:09,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:03:09,824 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:09,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:09,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1315979962, now seen corresponding path program 1 times [2023-11-06 23:03:09,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:09,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661204597] [2023-11-06 23:03:09,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:09,825 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 23:03:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:09,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:03:09,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 (7)] Waiting until timeout for monitored process [2023-11-06 23:03:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:09,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:03:09,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-06 23:03:15,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:15,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:15,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661204597] [2023-11-06 23:03:15,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661204597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:15,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:15,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:03:15,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194305625] [2023-11-06 23:03:15,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:15,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:03:15,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:15,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:03:15,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:03:15,323 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:03:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:21,520 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2023-11-06 23:03:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 23:03:21,524 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59 [2023-11-06 23:03:21,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:21,525 INFO L225 Difference]: With dead ends: 97 [2023-11-06 23:03:21,525 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:03:21,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:03:21,527 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 74 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:21,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 242 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-06 23:03:21,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:03:21,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:03:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:03:21,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2023-11-06 23:03:21,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:21,530 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:03:21,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 23:03:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:03:21,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:03:21,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:03:21,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 (7)] Ended with exit code 0 [2023-11-06 23:03:21,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/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 23:03:21,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:03:33,407 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (let ((.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))) (and (fp.geq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode .cse1)) (fp.leq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode .cse0))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 23:03:33,407 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 50 65) no Hoare annotation was computed. [2023-11-06 23:03:33,408 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-06 23:03:33,408 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2023-11-06 23:03:33,408 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-06 23:03:33,408 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-06 23:03:33,408 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-06 23:03:33,408 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 23:03:33,409 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 23:03:33,409 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (let ((.cse7 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse8 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse8))) (.cse4 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse7))) (.cse6 ((_ to_fp 11 53) currentRoundingMode .cse8)) (.cse5 ((_ to_fp 11 53) currentRoundingMode .cse7))) (let ((.cse0 (or (and (fp.geq ~var_1_8~0 .cse3) (fp.leq ~var_1_8~0 .cse4)) (and (fp.leq ~var_1_8~0 .cse6) (fp.geq ~var_1_8~0 .cse5)))) (.cse1 (or (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse4)) (and (fp.geq ~var_1_7~0 .cse5) (fp.leq ~var_1_7~0 .cse6)))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 .cse2 (not (= ~var_1_2~0 (_ bv0 8)))) (and (= ~var_1_3~0 ~var_1_1~0) .cse0 .cse1 .cse2))))) [2023-11-06 23:03:33,409 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 72 83) the Hoare annotation is: false [2023-11-06 23:03:33,409 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2023-11-06 23:03:33,409 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 49) no Hoare annotation was computed. [2023-11-06 23:03:33,409 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:03:33,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:03:33,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 23:03:33,410 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-06 23:03:33,410 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 68 71) the Hoare annotation is: (let ((.cse18 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse19 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse10 (= ~var_1_2~0 (_ bv0 8))) (.cse5 (fp.gt ~var_1_5~0 ~var_1_6~0)) (.cse13 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse19))) (.cse14 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse18))) (.cse16 ((_ to_fp 11 53) currentRoundingMode .cse19)) (.cse15 ((_ to_fp 11 53) currentRoundingMode .cse18)) (.cse0 (= ~var_1_4~0 ~var_1_8~0)) (.cse7 (fp.gt ((_ to_fp 11 53) currentRoundingMode (/ 158.0 5.0)) ~var_1_5~0))) (let ((.cse2 (not .cse7)) (.cse6 (let ((.cse17 (fp.lt ~var_1_7~0 ~var_1_8~0))) (or (and .cse0 (not .cse17)) (and .cse17 (= ~var_1_4~0 ~var_1_7~0))))) (.cse1 (= |ULTIMATE.start_property_#res#1| (_ bv1 32))) (.cse8 (or (and (fp.geq ~var_1_8~0 .cse13) (fp.leq ~var_1_8~0 .cse14)) (and (fp.leq ~var_1_8~0 .cse16) (fp.geq ~var_1_8~0 .cse15)))) (.cse3 (or (and (fp.geq ~var_1_7~0 .cse13) (fp.leq ~var_1_7~0 .cse14)) (and (fp.geq ~var_1_7~0 .cse15) (fp.leq ~var_1_7~0 .cse16)))) (.cse12 (not .cse5)) (.cse4 (= currentRoundingMode roundNearestTiesToEven)) (.cse9 (not .cse10))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse3 .cse4)) .cse8 .cse9) (and (let ((.cse11 (= ~var_1_3~0 ~var_1_1~0))) (or (and .cse10 (= ((_ to_fp 11 53) currentRoundingMode (/ 80000000000007.0 8.0)) ~var_1_4~0) .cse1 .cse11 .cse7 .cse3 .cse12 .cse4) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse11 .cse7 .cse3 .cse4))) .cse8) (and .cse0 .cse1 .cse8 .cse3 .cse12 .cse4 .cse9))))) [2023-11-06 23:03:33,410 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 45) no Hoare annotation was computed. [2023-11-06 23:03:33,411 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 67) no Hoare annotation was computed. [2023-11-06 23:03:33,411 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-06 23:03:33,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:03:33,411 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 49) no Hoare annotation was computed. [2023-11-06 23:03:33,411 INFO L895 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))) (and (fp.leq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 23:03:33,411 INFO L899 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2023-11-06 23:03:33,412 INFO L895 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-06 23:03:33,412 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-06 23:03:33,412 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:03:33,412 INFO L895 garLoopResultBuilder]: At program point L75-2(lines 75 81) the Hoare annotation is: (let ((.cse7 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse8 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse8))) (.cse4 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse7))) (.cse6 ((_ to_fp 11 53) currentRoundingMode .cse8)) (.cse5 ((_ to_fp 11 53) currentRoundingMode .cse7))) (let ((.cse0 (or (and (fp.geq ~var_1_8~0 .cse3) (fp.leq ~var_1_8~0 .cse4)) (and (fp.leq ~var_1_8~0 .cse6) (fp.geq ~var_1_8~0 .cse5)))) (.cse1 (or (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse4)) (and (fp.geq ~var_1_7~0 .cse5) (fp.leq ~var_1_7~0 .cse6)))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 .cse2 (not (= ~var_1_2~0 (_ bv0 8)))) (and (= ~var_1_3~0 ~var_1_1~0) .cse0 .cse1 .cse2))))) [2023-11-06 23:03:33,412 INFO L899 garLoopResultBuilder]: For program point L75-3(lines 75 81) no Hoare annotation was computed. [2023-11-06 23:03:33,412 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 31) no Hoare annotation was computed. [2023-11-06 23:03:33,412 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-06 23:03:33,413 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-06 23:03:33,413 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 23:03:33,413 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 23:03:33,413 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 23:03:33,413 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 23:03:33,416 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 23:03:33,418 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:03:33,434 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,436 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,436 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,437 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,437 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,437 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,438 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,438 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,438 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,439 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,440 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,440 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,443 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,446 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,446 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,447 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,447 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,447 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,453 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,454 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,455 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,455 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:03:33 BoogieIcfgContainer [2023-11-06 23:03:33,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:03:33,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:03:33,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:03:33,457 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:03:33,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:19" (3/4) ... [2023-11-06 23:03:33,460 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:03:33,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 23:03:33,469 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 23:03:33,470 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:03:33,470 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:03:33,471 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:03:33,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((var_1_4 == var_1_8) && (\result == 1)) || (((var_1_4 == var_1_8) || (var_1_4 == var_1_7)) && (\result == 1))) && !((var_1_2 == 0))) || (((((var_1_2 == 0) && (\result == 1)) && (var_1_3 == var_1_1)) || (((var_1_4 == var_1_8) && (\result == 1)) && (var_1_3 == var_1_1))) || ((((var_1_4 == var_1_8) || (var_1_4 == var_1_7)) && (\result == 1)) && (var_1_3 == var_1_1)))) || (((var_1_4 == var_1_8) && (\result == 1)) && !((var_1_2 == 0)))) [2023-11-06 23:03:33,544 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((var_1_4 == var_1_8) && (\result == 1)) || (((var_1_4 == var_1_8) || (var_1_4 == var_1_7)) && (\result == 1))) && !((var_1_2 == 0))) || (((((var_1_2 == 0) && (\result == 1)) && (var_1_3 == var_1_1)) || (((var_1_4 == var_1_8) && (\result == 1)) && (var_1_3 == var_1_1))) || ((((var_1_4 == var_1_8) || (var_1_4 == var_1_7)) && (\result == 1)) && (var_1_3 == var_1_1)))) || (((var_1_4 == var_1_8) && (\result == 1)) && !((var_1_2 == 0)))) [2023-11-06 23:03:33,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:03:33,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:03:33,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:03:33,560 INFO L158 Benchmark]: Toolchain (without parser) took 75318.71ms. Allocated memory was 88.1MB in the beginning and 174.1MB in the end (delta: 86.0MB). Free memory was 63.7MB in the beginning and 120.5MB in the end (delta: -56.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,561 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:03:33,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.34ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 51.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.58ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,562 INFO L158 Benchmark]: Boogie Preprocessor took 50.68ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,563 INFO L158 Benchmark]: RCFGBuilder took 513.09ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 61.1MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,563 INFO L158 Benchmark]: TraceAbstraction took 74243.45ms. Allocated memory was 88.1MB in the beginning and 174.1MB in the end (delta: 86.0MB). Free memory was 60.5MB in the beginning and 124.7MB in the end (delta: -64.1MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,564 INFO L158 Benchmark]: Witness Printer took 103.04ms. Allocated memory is still 174.1MB. Free memory was 124.7MB in the beginning and 120.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:03:33,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.34ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 51.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.58ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.68ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.09ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 61.1MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 74243.45ms. Allocated memory was 88.1MB in the beginning and 174.1MB in the end (delta: 86.0MB). Free memory was 60.5MB in the beginning and 124.7MB in the end (delta: -64.1MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Witness Printer took 103.04ms. Allocated memory is still 174.1MB. Free memory was 124.7MB in the beginning and 120.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.lt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.gt~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 74.1s, OverallIterations: 6, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 610 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 560 mSDsluCounter, 1518 SdHoareTripleChecker+Invalid, 15.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1183 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1848 IncrementalHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 335 mSDtfsCounter, 1848 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 23.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=3, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 228 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 58 PreInvPairs, 88 NumberOfFragments, 1243 HoareAnnotationTreeSize, 58 FomulaSimplifications, 73068 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 13 FomulaSimplificationsInter, 19873 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 27.2s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2395 SizeOfPredicates, 79 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 672/672 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant [2023-11-06 23:03:33,582 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,583 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,583 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,583 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,584 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,584 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,584 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,585 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,585 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,585 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,586 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,586 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,586 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,587 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,588 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,589 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,589 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,589 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,590 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,590 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,590 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,591 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,591 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,591 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,592 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.lt~64 [2023-11-06 23:03:33,592 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,592 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.gt~64 [2023-11-06 23:03:33,593 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: ((((((var_1_4 == var_1_8) && (\result == 1)) || (((var_1_4 == var_1_8) || (var_1_4 == var_1_7)) && (\result == 1))) && !((var_1_2 == 0))) || (((((var_1_2 == 0) && (\result == 1)) && (var_1_3 == var_1_1)) || (((var_1_4 == var_1_8) && (\result == 1)) && (var_1_3 == var_1_1))) || ((((var_1_4 == var_1_8) || (var_1_4 == var_1_7)) && (\result == 1)) && (var_1_3 == var_1_1)))) || (((var_1_4 == var_1_8) && (\result == 1)) && !((var_1_2 == 0)))) - InvariantResult [Line: 75]: Loop Invariant [2023-11-06 23:03:33,594 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,594 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,595 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,595 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: (!((var_1_2 == 0)) || (var_1_3 == var_1_1)) - InvariantResult [Line: 19]: Loop Invariant [2023-11-06 23:03:33,596 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,596 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,597 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:03:33,597 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: (!((var_1_2 == 0)) || (var_1_3 == var_1_1)) RESULT: Ultimate proved your program to be correct! [2023-11-06 23:03:33,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dea788a-df12-4791-9e13-07b8cdec1661/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE