./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl --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 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:33,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:34,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:33:34,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:34,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:34,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:34,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:34,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:34,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:34,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:34,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:34,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:34,113 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:34,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:34,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:34,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:34,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:34,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:34,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:34,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:34,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:34,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:34,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:34,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:34,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:34,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:34,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:34,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:34,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:34,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:34,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:34,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:34,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:34,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:34,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:34,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:34,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:34,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:34,129 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:34,130 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_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 [2023-11-12 02:33:34,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:34,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:34,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:34,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:34,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:34,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-11-12 02:33:37,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:38,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:38,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-11-12 02:33:38,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data/338d55244/03c2fd75153e413ebd7299eb09e61044/FLAG798fd074b [2023-11-12 02:33:38,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data/338d55244/03c2fd75153e413ebd7299eb09e61044 [2023-11-12 02:33:38,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:38,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:38,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:38,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:38,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:38,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfd47d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38, skipping insertion in model container [2023-11-12 02:33:38,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:38,265 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_bcd7c014-8638-4a62-a9a8-47633cea9541/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-11-12 02:33:38,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:38,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:38,321 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_bcd7c014-8638-4a62-a9a8-47633cea9541/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-11-12 02:33:38,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:38,356 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:38,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38 WrapperNode [2023-11-12 02:33:38,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:38,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:38,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:38,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:38,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,401 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2023-11-12 02:33:38,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:38,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:38,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:38,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:38,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:38,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:38,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:38,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:38,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (1/1) ... [2023-11-12 02:33:38,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:38,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:38,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:33:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:33:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:38,570 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:38,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:38,791 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:38,799 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:38,799 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:33:38,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:38 BoogieIcfgContainer [2023-11-12 02:33:38,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:38,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:38,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:38,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:38,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:38" (1/3) ... [2023-11-12 02:33:38,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618761bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:38, skipping insertion in model container [2023-11-12 02:33:38,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:38" (2/3) ... [2023-11-12 02:33:38,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618761bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:38, skipping insertion in model container [2023-11-12 02:33:38,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:38" (3/3) ... [2023-11-12 02:33:38,818 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-53.i [2023-11-12 02:33:38,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:38,844 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:33:38,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:38,904 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;@2b3a5caa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:38,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:33:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:33:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 02:33:38,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:38,923 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:38,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:38,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:38,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2129135455, now seen corresponding path program 1 times [2023-11-12 02:33:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:38,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259489883] [2023-11-12 02:33:38,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:33:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-12 02:33:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:33:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-12 02:33:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:33:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:33:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-12 02:33:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-12 02:33:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:33:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:33:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:33:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-12 02:33:39,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:39,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259489883] [2023-11-12 02:33:39,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259489883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:39,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:39,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:39,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109334349] [2023-11-12 02:33:39,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:39,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:33:39,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:39,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:33:39,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:39,453 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:33:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:39,481 INFO L93 Difference]: Finished difference Result 71 states and 113 transitions. [2023-11-12 02:33:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:33:39,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-11-12 02:33:39,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:39,491 INFO L225 Difference]: With dead ends: 71 [2023-11-12 02:33:39,492 INFO L226 Difference]: Without dead ends: 35 [2023-11-12 02:33:39,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:39,500 INFO L413 NwaCegarLoop]: 47 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, 47 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 [2023-11-12 02:33:39,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:33:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-12 02:33:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-12 02:33:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:33:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2023-11-12 02:33:39,540 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 72 [2023-11-12 02:33:39,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:39,541 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2023-11-12 02:33:39,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:33:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-11-12 02:33:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 02:33:39,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:39,546 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:39,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:33:39,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:39,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash -983855065, now seen corresponding path program 1 times [2023-11-12 02:33:39,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:39,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758963403] [2023-11-12 02:33:39,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:39,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:39,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:39,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:39,748 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:33:39,750 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:33:39,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:33:39,756 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:33:39,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:33:39,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:33:39 BoogieIcfgContainer [2023-11-12 02:33:39,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:33:39,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:39,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:39,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:39,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:38" (3/4) ... [2023-11-12 02:33:39,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:33:39,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:39,824 INFO L158 Benchmark]: Toolchain (without parser) took 1754.80ms. Allocated memory is still 172.0MB. Free memory was 129.7MB in the beginning and 113.4MB in the end (delta: 16.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,825 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:39,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.51ms. Allocated memory is still 172.0MB. Free memory was 129.7MB in the beginning and 118.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 172.0MB. Free memory was 118.5MB in the beginning and 116.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,827 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 172.0MB. Free memory was 116.5MB in the beginning and 115.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,828 INFO L158 Benchmark]: RCFGBuilder took 369.49ms. Allocated memory is still 172.0MB. Free memory was 115.5MB in the beginning and 103.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,829 INFO L158 Benchmark]: TraceAbstraction took 1009.51ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 114.2MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:39,829 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 113.4MB in the end (delta: 820.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:39,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.51ms. Allocated memory is still 172.0MB. Free memory was 129.7MB in the beginning and 118.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 172.0MB. Free memory was 118.5MB in the beginning and 116.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 172.0MB. Free memory was 116.5MB in the beginning and 115.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.49ms. Allocated memory is still 172.0MB. Free memory was 115.5MB in the beginning and 103.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1009.51ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 114.2MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 113.4MB in the end (delta: 820.6kB). 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 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 8; [L23] float var_1_2 = 1.25; [L24] float var_1_3 = 1.375; [L25] float var_1_4 = 1.6; [L26] float var_1_5 = 256.25; [L27] float var_1_6 = 1.9; [L28] signed long int var_1_7 = -32; [L29] signed long int var_1_8 = -10000000; VAL [isInitial=0, var_1_1=8, var_1_2=5/4, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L68] isInitial = 1 [L69] FCALL initially() [L70] COND TRUE 1 [L71] FCALL updateLastVariables() [L72] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_float() [L43] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L43] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L45] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L46] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L46] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L47] var_1_4 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L48] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L49] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L49] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L50] var_1_5 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L51] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L52] var_1_6 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=-32, var_1_8=-10000000] [L53] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=-32, var_1_8=-10000000] [L54] var_1_7 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=-10000000] [L55] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=-10000000] [L56] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=-10000000] [L56] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=-10000000] [L57] var_1_8 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L58] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L59] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L59] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L72] RET updateVariables() [L73] CALL step() [L33] COND FALSE !((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) > (var_1_5 * var_1_6)) VAL [isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L73] RET step() [L74] CALL, EXPR property() [L64-L65] return ((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) > (var_1_5 * var_1_6)) ? ((var_1_3 == var_1_6) ? (var_1_1 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_1 == ((signed long int) var_1_8))) : 1 ; VAL [\result=0, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L74] RET, EXPR property() [L74] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=8, var_1_3=1073741830, var_1_4=1073741829, var_1_5=1073741831, var_1_6=1073741828, var_1_7=1073741823, var_1_8=1073741823] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 47 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2023-11-12 02:33:39,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl --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 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:42,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:42,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:33:42,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:42,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:42,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:42,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:42,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:42,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:42,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:42,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:42,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:42,760 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:42,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:42,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:42,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:42,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:42,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:42,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:42,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:42,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:42,766 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:33:42,767 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:33:42,767 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:33:42,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:42,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:42,768 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:42,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:42,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:42,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:42,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:42,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:42,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:42,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:42,773 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:33:42,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:33:42,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:42,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:42,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:42,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:42,775 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:33:42,775 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:42,776 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_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 [2023-11-12 02:33:43,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:43,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:43,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:43,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:43,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:43,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-11-12 02:33:46,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:46,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:46,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-11-12 02:33:46,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data/aa7f6f590/c319931c692a4753a6e44ef4c311a746/FLAGd5107332d [2023-11-12 02:33:46,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/data/aa7f6f590/c319931c692a4753a6e44ef4c311a746 [2023-11-12 02:33:46,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:46,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:46,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:46,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:46,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:46,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:46" (1/1) ... [2023-11-12 02:33:46,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6881b117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:46, skipping insertion in model container [2023-11-12 02:33:46,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:46" (1/1) ... [2023-11-12 02:33:46,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:47,170 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_bcd7c014-8638-4a62-a9a8-47633cea9541/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-11-12 02:33:47,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:47,248 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:47,268 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_bcd7c014-8638-4a62-a9a8-47633cea9541/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-11-12 02:33:47,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:47,328 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:47,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47 WrapperNode [2023-11-12 02:33:47,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:47,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:47,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:47,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:47,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,405 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2023-11-12 02:33:47,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:47,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:47,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:47,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:47,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:47,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:47,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:47,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:47,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (1/1) ... [2023-11-12 02:33:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:47,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:47,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:47,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:33:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:33:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:33:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:47,706 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:47,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:54,199 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:54,205 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:54,205 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:33:54,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:54 BoogieIcfgContainer [2023-11-12 02:33:54,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:54,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:54,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:54,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:54,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:46" (1/3) ... [2023-11-12 02:33:54,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:54, skipping insertion in model container [2023-11-12 02:33:54,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:47" (2/3) ... [2023-11-12 02:33:54,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:54, skipping insertion in model container [2023-11-12 02:33:54,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:54" (3/3) ... [2023-11-12 02:33:54,219 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-53.i [2023-11-12 02:33:54,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:54,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:33:54,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:54,312 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;@3aaae5ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:54,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:33:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:33:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 02:33:54,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:54,334 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:54,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:54,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2129135455, now seen corresponding path program 1 times [2023-11-12 02:33:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:54,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958272025] [2023-11-12 02:33:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:54,355 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 [2023-11-12 02:33:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:54,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:33:54,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:33:54,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-12 02:33:54,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:33:54,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:33:54,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958272025] [2023-11-12 02:33:54,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958272025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:54,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:54,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:54,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632964302] [2023-11-12 02:33:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:54,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:33:54,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:33:54,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:33:54,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:54,954 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:33:54,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:54,982 INFO L93 Difference]: Finished difference Result 71 states and 113 transitions. [2023-11-12 02:33:54,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:33:54,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-11-12 02:33:54,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:54,993 INFO L225 Difference]: With dead ends: 71 [2023-11-12 02:33:54,993 INFO L226 Difference]: Without dead ends: 35 [2023-11-12 02:33:54,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:55,002 INFO L413 NwaCegarLoop]: 47 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, 47 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 [2023-11-12 02:33:55,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:33:55,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-12 02:33:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-12 02:33:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:33:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2023-11-12 02:33:55,049 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 72 [2023-11-12 02:33:55,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:55,049 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2023-11-12 02:33:55,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:33:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-11-12 02:33:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 02:33:55,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:55,055 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:55,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:55,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:55,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:55,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:55,276 INFO L85 PathProgramCache]: Analyzing trace with hash -983855065, now seen corresponding path program 1 times [2023-11-12 02:33:55,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:55,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895484603] [2023-11-12 02:33:55,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:55,278 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 [2023-11-12 02:33:55,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:55,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:33:55,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd7c014-8638-4a62-a9a8-47633cea9541/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:55,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:33:55,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:34:14,146 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (and (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0)) .cse1) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0)) (not .cse1)))) is different from false [2023-11-12 02:34:16,226 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (and (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0)) .cse1) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0)) (not .cse1)))) is different from true