./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:51:07,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:51:07,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:51:07,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:51:07,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:51:07,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:51:07,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:51:07,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:51:07,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:51:07,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:51:07,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:51:07,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:51:07,757 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:51:07,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:51:07,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:51:07,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:51:07,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:51:07,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:51:07,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:51:07,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:51:07,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:51:07,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:51:07,763 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:51:07,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:51:07,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:51:07,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:51:07,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:51:07,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:51:07,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:07,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:51:07,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:51:07,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:51:07,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:51:07,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:51:07,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:51:07,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:51:07,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:51:07,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:51:07,771 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:51:07,771 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_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2023-11-19 07:51:08,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:51:08,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:51:08,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:51:08,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:51:08,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:51:08,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-19 07:51:11,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:51:11,502 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:51:11,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-19 07:51:11,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data/c32ab1bf1/52771be3110841b8b0c69c8a2ccd57f0/FLAG10dd7f1a2 [2023-11-19 07:51:11,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data/c32ab1bf1/52771be3110841b8b0c69c8a2ccd57f0 [2023-11-19 07:51:11,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:51:11,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:51:11,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:11,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:51:11,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:51:11,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5509456f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11, skipping insertion in model container [2023-11-19 07:51:11,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:51:11,748 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_32fb076d-b158-4a03-9f35-3b9a6d569302/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-19 07:51:11,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:11,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:51:11,819 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_32fb076d-b158-4a03-9f35-3b9a6d569302/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-19 07:51:11,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:11,865 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:51:11,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11 WrapperNode [2023-11-19 07:51:11,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:11,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:11,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:51:11,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:51:11,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,928 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-19 07:51:11,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:11,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:51:11,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:51:11,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:51:11,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:51:11,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:51:11,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:51:11,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:51:11,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:11,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:12,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:12,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:51:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:51:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:51:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:51:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:51:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:51:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:51:12,135 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:51:12,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:51:12,401 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:51:12,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:51:12,411 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:51:12,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:12 BoogieIcfgContainer [2023-11-19 07:51:12,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:51:12,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:51:12,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:51:12,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:51:12,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:11" (1/3) ... [2023-11-19 07:51:12,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7ce5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:12, skipping insertion in model container [2023-11-19 07:51:12,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11" (2/3) ... [2023-11-19 07:51:12,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7ce5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:12, skipping insertion in model container [2023-11-19 07:51:12,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:12" (3/3) ... [2023-11-19 07:51:12,427 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2023-11-19 07:51:12,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:51:12,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:51:12,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:51:12,532 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b002d62, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:51:12,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:51:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:51:12,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:12,550 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:12,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:12,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:12,557 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2023-11-19 07:51:12,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:12,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802332937] [2023-11-19 07:51:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:51:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:51:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:51:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:51:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:51:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:51:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:51:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:51:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:51:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:51:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:51:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:51:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:51:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 07:51:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:51:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:51:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:51:13,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:13,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802332937] [2023-11-19 07:51:13,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802332937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:13,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:13,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227197063] [2023-11-19 07:51:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:13,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:51:13,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:13,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:51:13,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:13,118 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:13,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:13,170 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2023-11-19 07:51:13,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:51:13,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-11-19 07:51:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:13,182 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:51:13,182 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:51:13,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:13,190 INFO L413 NwaCegarLoop]: 65 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, 65 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 [2023-11-19 07:51:13,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:51:13,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:51:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2023-11-19 07:51:13,261 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2023-11-19 07:51:13,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:13,263 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2023-11-19 07:51:13,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-19 07:51:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:51:13,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:13,272 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:13,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:51:13,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:13,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:13,274 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2023-11-19 07:51:13,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:13,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115842567] [2023-11-19 07:51:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:13,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:51:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:51:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:51:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:51:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:51:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:51:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:51:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:51:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:51:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:51:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:51:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:51:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:51:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 07:51:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:51:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:51:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 07:51:16,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:16,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115842567] [2023-11-19 07:51:16,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115842567] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:51:16,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676575348] [2023-11-19 07:51:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:16,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:16,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:51:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 07:51:16,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 184 proven. 174 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-19 07:51:20,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:39,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676575348] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:51:39,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:39,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 28 [2023-11-19 07:51:39,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778993647] [2023-11-19 07:51:39,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:39,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-19 07:51:39,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:39,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-19 07:51:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1049, Unknown=2, NotChecked=0, Total=1260 [2023-11-19 07:51:39,632 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 28 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2023-11-19 07:51:42,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:42,490 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2023-11-19 07:51:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-19 07:51:42,493 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 102 [2023-11-19 07:51:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:42,495 INFO L225 Difference]: With dead ends: 142 [2023-11-19 07:51:42,495 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 07:51:42,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 191 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=609, Invalid=2469, Unknown=2, NotChecked=0, Total=3080 [2023-11-19 07:51:42,499 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 243 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:42,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 483 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 07:51:42,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 07:51:42,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2023-11-19 07:51:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2023-11-19 07:51:42,525 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 102 [2023-11-19 07:51:42,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:42,526 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2023-11-19 07:51:42,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2023-11-19 07:51:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2023-11-19 07:51:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:51:42,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:42,529 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:42,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:42,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:42,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:42,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:42,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1154990327, now seen corresponding path program 1 times [2023-11-19 07:51:42,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:42,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122681864] [2023-11-19 07:51:42,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:42,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:42,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:43,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:43,015 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:51:43,016 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:51:43,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:51:43,025 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:51:43,029 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:51:43,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:51:43 BoogieIcfgContainer [2023-11-19 07:51:43,146 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:51:43,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:51:43,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:51:43,147 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:51:43,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:12" (3/4) ... [2023-11-19 07:51:43,149 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:51:43,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:51:43,151 INFO L158 Benchmark]: Toolchain (without parser) took 31617.20ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 103.5MB in the beginning and 120.1MB in the end (delta: -16.6MB). Peak memory consumption was 151.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:43,152 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:51:43,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.74ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 91.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:51:43,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.75ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:43,162 INFO L158 Benchmark]: Boogie Preprocessor took 37.90ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 87.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:43,162 INFO L158 Benchmark]: RCFGBuilder took 447.24ms. Allocated memory is still 148.9MB. Free memory was 87.5MB in the beginning and 73.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:51:43,164 INFO L158 Benchmark]: TraceAbstraction took 30727.93ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 72.5MB in the beginning and 120.1MB in the end (delta: -47.5MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. [2023-11-19 07:51:43,164 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 314.6MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:51:43,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.74ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 91.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.75ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.90ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 87.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.24ms. Allocated memory is still 148.9MB. Free memory was 87.5MB in the beginning and 73.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 30727.93ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 72.5MB in the beginning and 120.1MB in the end (delta: -47.5MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 314.6MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 500; [L24] unsigned long int var_1_3 = 1456677701; [L25] unsigned long int var_1_4 = 1000000000; [L26] unsigned long int var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_11 = 0; [L31] float var_1_12 = 128.6; [L32] float var_1_13 = 500.4; [L33] float var_1_14 = 8.5; [L34] double var_1_15 = 255.8; [L35] double var_1_16 = 25.75; [L36] float var_1_17 = 1.2; [L37] float var_1_18 = 9.6; VAL [isInitial=0, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=500, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L64] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L66] var_1_4 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L67] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L69] var_1_5 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L75] var_1_11 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L76] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L78] var_1_13 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L80] var_1_14 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L82] var_1_16 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L83] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L84] var_1_18 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L85] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L98] RET updateVariables() [L99] CALL step() [L41] var_1_1 = (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))) [L42] var_1_6 = var_1_7 [L43] var_1_12 = ((2.55f + var_1_13) - var_1_14) [L44] var_1_15 = ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) VAL [isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L45] COND FALSE !(var_1_2 >= var_1_1) VAL [isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L48] unsigned long int stepLocal_0 = (((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)); VAL [isInitial=1, stepLocal_0=536870911, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L49] COND FALSE !(((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != stepLocal_0) [L56] var_1_8 = var_1_11 VAL [isInitial=1, stepLocal_0=536870911, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((((var_1_1 == ((unsigned long int) (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_17 == var_1_12) ? (var_1_6 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && (var_1_12 == ((float) ((2.55f + var_1_13) - var_1_14)))) && (var_1_15 == ((double) ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))))))) && ((var_1_2 >= var_1_1) ? (var_1_17 == ((float) (var_1_14 - ((((var_1_13) > (var_1_18)) ? (var_1_13) : (var_1_18)))))) : 1) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.5s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 548 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 420 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 760 IncrementalHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 128 mSDtfsCounter, 760 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 241 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 35, 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, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.2s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 5023 SizeOfPredicates, 12 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1107/1440 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 [2023-11-19 07:51:43,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:51:45,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:51:45,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:51:45,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:51:45,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:51:45,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:51:45,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:51:45,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:51:45,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:51:45,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:51:45,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:51:45,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:51:45,940 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:51:45,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:51:45,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:51:45,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:51:45,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:51:45,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:51:45,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:51:45,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:51:45,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:51:45,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:51:45,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:51:45,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:51:45,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:51:45,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:51:45,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:51:45,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:51:45,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:51:45,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:51:45,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:45,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:51:45,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:51:45,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:51:45,952 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:51:45,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:51:45,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:51:45,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:51:45,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:51:45,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:51:45,954 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:51:45,955 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:51:45,955 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_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2023-11-19 07:51:46,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:51:46,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:51:46,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:51:46,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:51:46,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:51:46,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-19 07:51:49,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:51:49,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:51:49,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-19 07:51:49,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data/d2a1d96f8/35ce04c83d854e0884a852318bb0e7ae/FLAG1e1f5d978 [2023-11-19 07:51:49,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/data/d2a1d96f8/35ce04c83d854e0884a852318bb0e7ae [2023-11-19 07:51:49,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:51:49,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:51:49,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:49,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:51:49,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:51:49,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:49" (1/1) ... [2023-11-19 07:51:49,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163b6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:49, skipping insertion in model container [2023-11-19 07:51:49,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:49" (1/1) ... [2023-11-19 07:51:50,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:51:50,199 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_32fb076d-b158-4a03-9f35-3b9a6d569302/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-19 07:51:50,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:50,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:51:50,272 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_32fb076d-b158-4a03-9f35-3b9a6d569302/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-19 07:51:50,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:50,311 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:51:50,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50 WrapperNode [2023-11-19 07:51:50,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:50,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:50,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:51:50,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:51:50,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,360 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-19 07:51:50,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:50,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:51:50,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:51:50,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:51:50,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:51:50,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:51:50,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:51:50,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:51:50,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (1/1) ... [2023-11-19 07:51:50,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:50,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:50,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:51:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:51:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:51:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:51:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:51:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:51:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:51:50,656 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:51:50,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:51:54,308 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:51:54,316 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:51:54,317 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:51:54,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:54 BoogieIcfgContainer [2023-11-19 07:51:54,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:51:54,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:51:54,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:51:54,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:51:54,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:49" (1/3) ... [2023-11-19 07:51:54,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6876627c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:54, skipping insertion in model container [2023-11-19 07:51:54,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:50" (2/3) ... [2023-11-19 07:51:54,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6876627c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:54, skipping insertion in model container [2023-11-19 07:51:54,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:54" (3/3) ... [2023-11-19 07:51:54,330 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2023-11-19 07:51:54,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:51:54,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:51:54,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:51:54,426 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78157afb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:51:54,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:51:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:51:54,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:54,468 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:54,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:54,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:54,478 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2023-11-19 07:51:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:54,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877048111] [2023-11-19 07:51:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:54,494 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 [2023-11-19 07:51:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:54,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:51:54,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:51:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:54,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:51:54,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-19 07:51:54,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:54,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:54,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877048111] [2023-11-19 07:51:54,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877048111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:54,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:54,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:54,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865095180] [2023-11-19 07:51:54,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:55,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:51:55,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:51:55,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:55,044 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:55,072 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2023-11-19 07:51:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:51:55,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-11-19 07:51:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:55,083 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:51:55,083 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:51:55,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:55,090 INFO L413 NwaCegarLoop]: 65 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, 65 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 [2023-11-19 07:51:55,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:55,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:51:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:51:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2023-11-19 07:51:55,138 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2023-11-19 07:51:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:55,139 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2023-11-19 07:51:55,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-19 07:51:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:51:55,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:55,144 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:55,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:51:55,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:51:55,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:55,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:55,354 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2023-11-19 07:51:55,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:55,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677532918] [2023-11-19 07:51:55,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:55,358 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 [2023-11-19 07:51:55,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:55,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:51:55,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32fb076d-b158-4a03-9f35-3b9a6d569302/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:51:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:55,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 07:51:55,859 INFO L285 TraceCheckSpWp]: Computing forward predicates...