./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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 5ba331e7382548a714447aae24dc39067b99d6e58e7280c88c6b71afa304f6fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:56:31,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:56:31,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:56:31,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:56:31,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:56:31,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:56:31,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:56:31,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:56:31,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:56:31,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:56:31,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:56:31,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:56:31,350 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:56:31,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:56:31,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:56:31,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:56:31,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:56:31,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:56:31,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:56:31,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:56:31,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:56:31,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:56:31,355 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:56:31,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:56:31,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:56:31,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:56:31,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:56:31,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:56:31,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:31,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:56:31,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:56:31,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:56:31,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:56:31,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:56:31,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:56:31,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:56:31,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:56:31,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:56:31,371 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:56:31,372 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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba331e7382548a714447aae24dc39067b99d6e58e7280c88c6b71afa304f6fc [2023-11-06 22:56:31,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:56:31,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:56:31,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:56:31,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:56:31,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:56:31,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i [2023-11-06 22:56:34,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:56:35,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:56:35,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i [2023-11-06 22:56:35,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data/f38ee972a/a5fee7e04a3047bb8e5a0b59fdb48c60/FLAG6ed39ff1a [2023-11-06 22:56:35,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data/f38ee972a/a5fee7e04a3047bb8e5a0b59fdb48c60 [2023-11-06 22:56:35,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:56:35,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:56:35,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:35,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:56:35,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:56:35,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e118565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35, skipping insertion in model container [2023-11-06 22:56:35,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:56:35,367 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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i[915,928] [2023-11-06 22:56:35,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:35,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:56:35,433 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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i[915,928] [2023-11-06 22:56:35,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:35,473 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:56:35,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35 WrapperNode [2023-11-06 22:56:35,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:35,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:35,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:56:35,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:56:35,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,527 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2023-11-06 22:56:35,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:35,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:56:35,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:56:35,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:56:35,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:56:35,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:56:35,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:56:35,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:56:35,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (1/1) ... [2023-11-06 22:56:35,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:35,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:35,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:35,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:56:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:56:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:56:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:56:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:56:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:56:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:56:35,712 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:56:35,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:56:35,911 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:56:35,917 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:56:35,918 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:56:35,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:35 BoogieIcfgContainer [2023-11-06 22:56:35,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:56:35,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:56:35,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:56:35,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:56:35,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:56:35" (1/3) ... [2023-11-06 22:56:35,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd1360a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:35, skipping insertion in model container [2023-11-06 22:56:35,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:35" (2/3) ... [2023-11-06 22:56:35,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd1360a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:35, skipping insertion in model container [2023-11-06 22:56:35,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:35" (3/3) ... [2023-11-06 22:56:35,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-34.i [2023-11-06 22:56:35,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:56:35,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:56:35,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:56:36,000 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@4eacc478, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:56:36,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:56:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 22:56:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 22:56:36,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:36,014 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] [2023-11-06 22:56:36,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:36,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2108200417, now seen corresponding path program 1 times [2023-11-06 22:56:36,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:36,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749533180] [2023-11-06 22:56:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:36,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:56:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:56:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:56:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:56:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:56:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:56:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:56:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:56:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:36,287 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 22:56:36,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:36,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749533180] [2023-11-06 22:56:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749533180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:36,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:36,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:56:36,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597329793] [2023-11-06 22:56:36,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:36,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:56:36,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:36,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:56:36,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:56:36,350 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:56:36,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:36,388 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2023-11-06 22:56:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:56:36,392 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2023-11-06 22:56:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:36,400 INFO L225 Difference]: With dead ends: 61 [2023-11-06 22:56:36,400 INFO L226 Difference]: Without dead ends: 30 [2023-11-06 22:56:36,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:56:36,410 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:56:36,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:56:36,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-06 22:56:36,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-06 22:56:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 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 22:56:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-11-06 22:56:36,474 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 55 [2023-11-06 22:56:36,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:36,475 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-06 22:56:36,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:56:36,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-06 22:56:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 22:56:36,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:36,480 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] [2023-11-06 22:56:36,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:56:36,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:36,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:36,483 INFO L85 PathProgramCache]: Analyzing trace with hash -700383971, now seen corresponding path program 1 times [2023-11-06 22:56:36,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:36,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381374805] [2023-11-06 22:56:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:36,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:36,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:56:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:36,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:56:36,728 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:56:36,730 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:56:36,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:56:36,736 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:56:36,740 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:56:36,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:56:36 BoogieIcfgContainer [2023-11-06 22:56:36,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:56:36,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:56:36,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:56:36,817 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:56:36,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:35" (3/4) ... [2023-11-06 22:56:36,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:56:36,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:56:36,824 INFO L158 Benchmark]: Toolchain (without parser) took 1645.60ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 63.8MB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:36,825 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:56:36,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.53ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 118.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:56:36,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.62ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:36,827 INFO L158 Benchmark]: Boogie Preprocessor took 31.35ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 115.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:36,827 INFO L158 Benchmark]: RCFGBuilder took 360.16ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 102.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:56:36,828 INFO L158 Benchmark]: TraceAbstraction took 892.51ms. Allocated memory is still 163.6MB. Free memory was 101.6MB in the beginning and 64.4MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-06 22:56:36,829 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 163.6MB. Free memory was 64.4MB in the beginning and 63.8MB in the end (delta: 561.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:56:36,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.53ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 118.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.62ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.35ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 115.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.16ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 102.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 892.51ms. Allocated memory is still 163.6MB. Free memory was 101.6MB in the beginning and 64.4MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 163.6MB. Free memory was 64.4MB in the beginning and 63.8MB in the end (delta: 561.9kB). 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 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] double var_1_2 = 4.4; [L24] double var_1_3 = 16.475; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 5; VAL [isInitial=0, var_1_1=16, var_1_2=22/5, var_1_3=659/40, var_1_4=1, var_1_5=2, var_1_6=5] [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_double() [L43] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=659/40, var_1_4=1, var_1_5=2, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=659/40, var_1_4=1, var_1_5=2, var_1_6=5] [L43] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=16, var_1_3=659/40, var_1_4=1, var_1_5=2, var_1_6=5] [L44] var_1_3 = __VERIFIER_nondet_double() [L45] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L45] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L46] var_1_4 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L48] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L48] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=2, var_1_6=5] [L49] var_1_5 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=5] [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=5] [L51] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=5] [L51] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=5] [L52] var_1_6 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L53] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L54] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L54] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, var_1_1=16, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L67] RET updateVariables() [L68] CALL step() [L31] COND FALSE !(var_1_2 > (- var_1_3)) [L38] var_1_1 = var_1_5 VAL [isInitial=1, var_1_1=253, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return (var_1_2 > (- var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned char) ((((var_1_5) < (((((25) > (((((var_1_6) < (8)) ? (var_1_6) : (8))))) ? (25) : (((((var_1_6) < (8)) ? (var_1_6) : (8)))))))) ? (var_1_5) : (((((25) > (((((var_1_6) < (8)) ? (var_1_6) : (8))))) ? (25) : (((((var_1_6) < (8)) ? (var_1_6) : (8))))))))))) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_1=253, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=253, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=253, var_1_3=262, var_1_4=1, var_1_5=253, var_1_6=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 39 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:56:36,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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 5ba331e7382548a714447aae24dc39067b99d6e58e7280c88c6b71afa304f6fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:56:39,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:56:39,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:56:39,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:56:39,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:56:39,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:56:39,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:56:39,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:56:39,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:56:39,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:56:39,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:56:39,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:56:39,815 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:56:39,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:56:39,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:56:39,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:56:39,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:56:39,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:56:39,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:56:39,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:56:39,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:56:39,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:56:39,821 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:56:39,822 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:56:39,822 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:56:39,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:56:39,823 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:56:39,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:56:39,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:56:39,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:56:39,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:39,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:56:39,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:56:39,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:56:39,828 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:56:39,828 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:56:39,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:56:39,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:56:39,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:56:39,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:56:39,830 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:56:39,831 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:56:39,831 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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba331e7382548a714447aae24dc39067b99d6e58e7280c88c6b71afa304f6fc [2023-11-06 22:56:40,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:56:40,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:56:40,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:56:40,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:56:40,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:56:40,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i [2023-11-06 22:56:43,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:56:43,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:56:43,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i [2023-11-06 22:56:43,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data/864406ff8/86fbae1c2ea14754a0798d40a02ec6ac/FLAG7d9dd36d9 [2023-11-06 22:56:43,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/data/864406ff8/86fbae1c2ea14754a0798d40a02ec6ac [2023-11-06 22:56:43,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:56:43,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:56:43,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:43,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:56:43,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:56:43,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3ed67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43, skipping insertion in model container [2023-11-06 22:56:43,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:56:43,834 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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i[915,928] [2023-11-06 22:56:43,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:43,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:56:43,901 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_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-34.i[915,928] [2023-11-06 22:56:43,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:43,936 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:56:43,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43 WrapperNode [2023-11-06 22:56:43,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:43,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:43,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:56:43,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:56:43,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,981 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2023-11-06 22:56:43,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:43,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:56:43,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:56:43,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:56:43,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:43,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:44,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:44,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:44,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:44,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:44,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:56:44,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:56:44,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:56:44,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:56:44,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (1/1) ... [2023-11-06 22:56:44,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:44,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:44,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:44,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:56:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:56:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:56:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:56:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:56:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:56:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:56:44,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:56:44,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:56:44,513 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:56:44,520 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:56:44,521 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:56:44,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:44 BoogieIcfgContainer [2023-11-06 22:56:44,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:56:44,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:56:44,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:56:44,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:56:44,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:56:43" (1/3) ... [2023-11-06 22:56:44,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e31d9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:44, skipping insertion in model container [2023-11-06 22:56:44,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:43" (2/3) ... [2023-11-06 22:56:44,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e31d9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:44, skipping insertion in model container [2023-11-06 22:56:44,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:44" (3/3) ... [2023-11-06 22:56:44,534 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-34.i [2023-11-06 22:56:44,554 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:56:44,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:56:44,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:56:44,635 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;@21f6e7e4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:56:44,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:56:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 22:56:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 22:56:44,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:44,655 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] [2023-11-06 22:56:44,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:44,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2108200417, now seen corresponding path program 1 times [2023-11-06 22:56:44,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:56:44,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549395275] [2023-11-06 22:56:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:44,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:56:44,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:56:44,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:56:44,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:56:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:44,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:56:44,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:56:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:56:44,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:56:44,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:56:44,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549395275] [2023-11-06 22:56:44,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549395275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:44,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:44,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:56:44,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690563814] [2023-11-06 22:56:44,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:44,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:56:45,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:56:45,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:56:45,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:56:45,036 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:56:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:45,064 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2023-11-06 22:56:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:56:45,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2023-11-06 22:56:45,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:45,075 INFO L225 Difference]: With dead ends: 61 [2023-11-06 22:56:45,075 INFO L226 Difference]: Without dead ends: 30 [2023-11-06 22:56:45,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:56:45,088 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:56:45,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:56:45,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-06 22:56:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-06 22:56:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 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 22:56:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-11-06 22:56:45,152 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 55 [2023-11-06 22:56:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:45,153 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-06 22:56:45,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:56:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-06 22:56:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 22:56:45,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:45,157 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] [2023-11-06 22:56:45,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:56:45,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:56:45,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:45,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:45,377 INFO L85 PathProgramCache]: Analyzing trace with hash -700383971, now seen corresponding path program 1 times [2023-11-06 22:56:45,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:56:45,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146763600] [2023-11-06 22:56:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:45,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:56:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:56:45,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:56:45,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:56:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:45,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:56:45,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:56:54,520 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 22:56:54,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:56:54,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:56:54,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146763600] [2023-11-06 22:56:54,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146763600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:54,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:54,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:56:54,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332660754] [2023-11-06 22:56:54,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:54,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:56:54,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:56:54,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:56:54,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:56:54,532 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 22:56:54,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:54,810 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions. [2023-11-06 22:56:54,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:56:54,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 55 [2023-11-06 22:56:54,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:54,813 INFO L225 Difference]: With dead ends: 55 [2023-11-06 22:56:54,813 INFO L226 Difference]: Without dead ends: 53 [2023-11-06 22:56:54,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:56:54,815 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 20 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:56:54,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 210 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:56:54,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-06 22:56:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 33. [2023-11-06 22:56:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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 22:56:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2023-11-06 22:56:54,827 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 55 [2023-11-06 22:56:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:54,828 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-11-06 22:56:54,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 22:56:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-06 22:56:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:56:54,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:54,831 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] [2023-11-06 22:56:54,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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)] Ended with exit code 0 [2023-11-06 22:56:55,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:56:55,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:55,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:55,046 INFO L85 PathProgramCache]: Analyzing trace with hash -472626954, now seen corresponding path program 1 times [2023-11-06 22:56:55,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:56:55,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287805465] [2023-11-06 22:56:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:56:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:56:55,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:56:55,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:56:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:56:55,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:00,670 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 22:57:00,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:57:00,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:57:00,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287805465] [2023-11-06 22:57:00,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287805465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:00,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:00,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:57:00,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526816405] [2023-11-06 22:57:00,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:00,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:57:00,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:57:00,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:57:00,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:57:00,674 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 22:57:01,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:01,135 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2023-11-06 22:57:01,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:57:01,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 56 [2023-11-06 22:57:01,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:01,138 INFO L225 Difference]: With dead ends: 62 [2023-11-06 22:57:01,139 INFO L226 Difference]: Without dead ends: 60 [2023-11-06 22:57:01,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:57:01,140 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 30 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:01,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 259 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:57:01,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-06 22:57:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 33. [2023-11-06 22:57:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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 22:57:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2023-11-06 22:57:01,149 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 56 [2023-11-06 22:57:01,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:01,150 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-11-06 22:57:01,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 22:57:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-06 22:57:01,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:57:01,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:01,156 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] [2023-11-06 22:57:01,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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 22:57:01,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:57:01,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:01,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -470779912, now seen corresponding path program 1 times [2023-11-06 22:57:01,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:57:01,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820379504] [2023-11-06 22:57:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:01,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:57:01,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:57:01,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:57:01,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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 22:57:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:01,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:57:01,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:03,983 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 22:57:03,984 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:57:03,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:57:03,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820379504] [2023-11-06 22:57:03,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820379504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:03,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:03,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:57:03,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200234174] [2023-11-06 22:57:03,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:03,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:57:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:57:03,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:57:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:57:03,987 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 22:57:04,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:04,283 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2023-11-06 22:57:04,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:57:04,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 56 [2023-11-06 22:57:04,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:04,285 INFO L225 Difference]: With dead ends: 60 [2023-11-06 22:57:04,285 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:57:04,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:57:04,287 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 28 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:04,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 225 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:57:04,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:57:04,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:57:04,290 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 22:57:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:57:04,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2023-11-06 22:57:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:04,290 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:57:04,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 22:57:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:57:04,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:57:04,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:57:04,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/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)] Ended with exit code 0 [2023-11-06 22:57:04,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:57:04,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:57:04,599 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 39) no Hoare annotation was computed. [2023-11-06 22:57:04,599 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2023-11-06 22:57:04,599 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:57:04,599 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:57:04,599 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-06 22:57:04,599 INFO L902 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: true [2023-11-06 22:57:04,599 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 62 73) the Hoare annotation is: false [2023-11-06 22:57:04,600 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 36) no Hoare annotation was computed. [2023-11-06 22:57:04,600 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:57:04,600 INFO L902 garLoopResultBuilder]: At program point L65-2(lines 65 71) the Hoare annotation is: true [2023-11-06 22:57:04,600 INFO L899 garLoopResultBuilder]: For program point L65-3(lines 65 71) no Hoare annotation was computed. [2023-11-06 22:57:04,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:57:04,600 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2023-11-06 22:57:04,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:57:04,600 INFO L902 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: true [2023-11-06 22:57:04,608 INFO L902 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: true [2023-11-06 22:57:04,608 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 58 61) the Hoare annotation is: (let ((.cse0 (fp.gt ~var_1_2~0 (fp.neg ~var_1_3~0))) (.cse1 (= |ULTIMATE.start_property_#res#1| (_ bv1 32))) (.cse2 (= ~var_1_4~0 (_ bv0 8)))) (or (and (not .cse0) (= ~var_1_1~0 ~var_1_5~0) .cse1) (and .cse0 .cse1 .cse2 (= ~var_1_1~0 ~var_1_6~0)) (and (let ((.cse4 ((_ zero_extend 24) ~var_1_5~0))) (let ((.cse3 (bvslt .cse4 (_ bv25 32)))) (or (and (not .cse3) (= ~var_1_1~0 (_ bv25 8))) (and .cse3 (= ~var_1_1~0 ((_ extract 7 0) .cse4)))))) .cse0 .cse1 (not .cse2)))) [2023-11-06 22:57:04,608 INFO L902 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: true [2023-11-06 22:57:04,608 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-06 22:57:04,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:57:04,609 INFO L899 garLoopResultBuilder]: For program point L54(lines 41 55) no Hoare annotation was computed. [2023-11-06 22:57:04,609 INFO L902 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: true [2023-11-06 22:57:04,609 INFO L902 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: true [2023-11-06 22:57:04,609 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:57:04,609 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 40) no Hoare annotation was computed. [2023-11-06 22:57:04,609 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-06 22:57:04,609 INFO L902 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: true [2023-11-06 22:57:04,610 INFO L902 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: true [2023-11-06 22:57:04,610 INFO L902 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: true [2023-11-06 22:57:04,610 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-11-06 22:57:04,610 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:57:04,610 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:57:04,611 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:57:04,611 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:57:04,614 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:57:04,616 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:57:04,625 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,626 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,627 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,628 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,628 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,629 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:57:04 BoogieIcfgContainer [2023-11-06 22:57:04,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:57:04,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:57:04,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:57:04,631 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:57:04,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:44" (3/4) ... [2023-11-06 22:57:04,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:57:04,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:57:04,643 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:57:04,643 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:57:04,644 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:57:04,644 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:57:04,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((var_1_1 == var_1_5) && (\result == 1)) || (((\result == 1) && (var_1_4 == 0)) && (var_1_1 == var_1_6))) || ((((!((var_1_5 < 25)) && (var_1_1 == 25)) || ((var_1_5 < 25) && (var_1_1 == (var_1_5 & 127)))) && (\result == 1)) && !((var_1_4 == 0)))) [2023-11-06 22:57:04,755 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((var_1_1 == var_1_5) && (\result == 1)) || (((\result == 1) && (var_1_4 == 0)) && (var_1_1 == var_1_6))) || ((((!((var_1_5 < 25)) && (var_1_1 == 25)) || ((var_1_5 < 25) && (var_1_1 == (var_1_5 & 127)))) && (\result == 1)) && !((var_1_4 == 0)))) [2023-11-06 22:57:04,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:57:04,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:57:04,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:57:04,763 INFO L158 Benchmark]: Toolchain (without parser) took 21133.00ms. Allocated memory was 67.1MB in the beginning and 775.9MB in the end (delta: 708.8MB). Free memory was 35.2MB in the beginning and 749.3MB in the end (delta: -714.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:04,775 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:04,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.00ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 35.1MB in the beginning and 78.4MB in the end (delta: -43.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-06 22:57:04,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.45ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:57:04,777 INFO L158 Benchmark]: Boogie Preprocessor took 49.13ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 74.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:04,777 INFO L158 Benchmark]: RCFGBuilder took 490.71ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 63.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:57:04,777 INFO L158 Benchmark]: TraceAbstraction took 20103.49ms. Allocated memory was 102.8MB in the beginning and 645.9MB in the end (delta: 543.2MB). Free memory was 62.1MB in the beginning and 619.1MB in the end (delta: -557.0MB). Peak memory consumption was 369.1MB. Max. memory is 16.1GB. [2023-11-06 22:57:04,778 INFO L158 Benchmark]: Witness Printer took 132.49ms. Allocated memory was 645.9MB in the beginning and 775.9MB in the end (delta: 130.0MB). Free memory was 619.1MB in the beginning and 749.3MB in the end (delta: -130.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:57:04,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.00ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 35.1MB in the beginning and 78.4MB in the end (delta: -43.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.45ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.13ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 74.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.71ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 63.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20103.49ms. Allocated memory was 102.8MB in the beginning and 645.9MB in the end (delta: 543.2MB). Free memory was 62.1MB in the beginning and 619.1MB in the end (delta: -557.0MB). Peak memory consumption was 369.1MB. Max. memory is 16.1GB. * Witness Printer took 132.49ms. Allocated memory was 645.9MB in the beginning and 775.9MB in the end (delta: 130.0MB). Free memory was 619.1MB in the beginning and 749.3MB in the end (delta: -130.2MB). 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: Missing case for function ~fp.neg~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~64 * 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 733 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 494 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 239 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 36 PreInvPairs, 61 NumberOfFragments, 71 HoareAnnotationTreeSize, 36 FomulaSimplifications, 50 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 SizeOfPredicates, 27 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 448/448 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: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant [2023-11-06 22:57:04,801 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,801 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,802 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,802 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,803 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 [2023-11-06 22:57:04,803 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~64 Derived loop invariant: ((((var_1_1 == var_1_5) && (\result == 1)) || (((\result == 1) && (var_1_4 == 0)) && (var_1_1 == var_1_6))) || ((((!((var_1_5 < 25)) && (var_1_1 == 25)) || ((var_1_5 < 25) && (var_1_1 == (var_1_5 & 127)))) && (\result == 1)) && !((var_1_4 == 0)))) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:57:04,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a161a-6bed-4caf-a9ba-77f9a5afcff4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE