./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 342a391425e9273144e7f8d0607b5266ee0425388e31ab43115bf3acb263154c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:48:58,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:48:58,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:48:58,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:48:58,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:48:58,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:48:58,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:48:58,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:48:58,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:48:58,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:48:58,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:48:58,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:48:58,938 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:48:58,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:48:58,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:48:58,940 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:48:58,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:48:58,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:48:58,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:48:58,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:48:58,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:48:58,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:48:58,945 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:48:58,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:48:58,946 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:48:58,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:48:58,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:48:58,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:48:58,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:58,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:48:58,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:48:58,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:48:58,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:48:58,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:48:58,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:48:58,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:48:58,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:48:58,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:48:58,965 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:48:58,965 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_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 342a391425e9273144e7f8d0607b5266ee0425388e31ab43115bf3acb263154c [2023-11-06 22:48:59,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:48:59,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:48:59,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:48:59,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:48:59,310 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:48:59,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i [2023-11-06 22:49:02,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:49:02,625 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:49:02,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i [2023-11-06 22:49:02,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data/09156bf15/0be935b8ca054469913107a463da8b0c/FLAG091d1eea3 [2023-11-06 22:49:02,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data/09156bf15/0be935b8ca054469913107a463da8b0c [2023-11-06 22:49:02,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:49:02,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:49:02,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:02,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:49:02,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:49:02,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:02" (1/1) ... [2023-11-06 22:49:02,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a81fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:02, skipping insertion in model container [2023-11-06 22:49:02,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:02" (1/1) ... [2023-11-06 22:49:02,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:49:02,903 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_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i[914,927] [2023-11-06 22:49:02,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:02,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:49:02,982 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_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i[914,927] [2023-11-06 22:49:03,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:03,033 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:49:03,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03 WrapperNode [2023-11-06 22:49:03,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:03,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:03,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:49:03,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:49:03,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,096 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2023-11-06 22:49:03,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:03,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:49:03,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:49:03,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:49:03,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:49:03,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:49:03,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:49:03,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:49:03,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (1/1) ... [2023-11-06 22:49:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:49:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:03,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:49:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:49:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:49:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:49:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:49:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:49:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:49:03,298 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:49:03,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:49:03,502 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:49:03,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:49:03,516 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:49:03,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:03 BoogieIcfgContainer [2023-11-06 22:49:03,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:49:03,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:49:03,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:49:03,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:49:03,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:49:02" (1/3) ... [2023-11-06 22:49:03,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6aa843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:03, skipping insertion in model container [2023-11-06 22:49:03,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:03" (2/3) ... [2023-11-06 22:49:03,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6aa843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:03, skipping insertion in model container [2023-11-06 22:49:03,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:03" (3/3) ... [2023-11-06 22:49:03,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-0.i [2023-11-06 22:49:03,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:49:03,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:49:03,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:49:03,628 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@722db119, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:49:03,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:49:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:49:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:49:03,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:49:03,647 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:03,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:49:03,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:03,655 INFO L85 PathProgramCache]: Analyzing trace with hash -347497792, now seen corresponding path program 1 times [2023-11-06 22:49:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:03,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985843396] [2023-11-06 22:49:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:49:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:49:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:49:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:49:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:49:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:49:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:49:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-06 22:49:03,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:03,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985843396] [2023-11-06 22:49:03,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985843396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:03,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:03,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:03,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292841654] [2023-11-06 22:49:03,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:03,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:49:03,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:03,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:49:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:03,974 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:49:04,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:49:04,022 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2023-11-06 22:49:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:49:04,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2023-11-06 22:49:04,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:49:04,033 INFO L225 Difference]: With dead ends: 57 [2023-11-06 22:49:04,033 INFO L226 Difference]: Without dead ends: 28 [2023-11-06 22:49:04,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:04,040 INFO L413 NwaCegarLoop]: 35 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, 35 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:49:04,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:49:04,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-06 22:49:04,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-06 22:49:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:49:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2023-11-06 22:49:04,081 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2023-11-06 22:49:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:49:04,082 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-06 22:49:04,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:49:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-06 22:49:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:49:04,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:49:04,085 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:04,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:49:04,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:49:04,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:04,087 INFO L85 PathProgramCache]: Analyzing trace with hash -891918394, now seen corresponding path program 1 times [2023-11-06 22:49:04,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:04,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200701368] [2023-11-06 22:49:04,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:04,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:04,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:04,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:04,317 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:49:04,318 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:49:04,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:49:04,324 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:49:04,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:49:04,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:49:04 BoogieIcfgContainer [2023-11-06 22:49:04,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:49:04,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:49:04,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:49:04,367 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:49:04,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:03" (3/4) ... [2023-11-06 22:49:04,370 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:49:04,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:49:04,372 INFO L158 Benchmark]: Toolchain (without parser) took 1720.68ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 89.1MB in the end (delta: 405.0kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-06 22:49:04,373 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:04,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.62ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 77.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:49:04,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.95ms. Allocated memory is still 134.2MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:04,375 INFO L158 Benchmark]: Boogie Preprocessor took 44.04ms. Allocated memory is still 134.2MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:04,376 INFO L158 Benchmark]: RCFGBuilder took 379.58ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 63.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:49:04,376 INFO L158 Benchmark]: TraceAbstraction took 840.63ms. Allocated memory is still 134.2MB. Free memory was 63.3MB in the beginning and 89.1MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:04,377 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 134.2MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:04,380 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.62ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 77.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.95ms. Allocated memory is still 134.2MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.04ms. Allocated memory is still 134.2MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.58ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 63.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 840.63ms. Allocated memory is still 134.2MB. Free memory was 63.3MB in the beginning and 89.1MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 134.2MB. Free memory is still 89.1MB. 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 54, overapproximation of someBinaryArithmeticFLOAToperation at line 32. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 31.25; [L23] float var_1_2 = 31.2; [L24] float var_1_3 = 0.0; [L25] float var_1_4 = 64.125; [L26] signed short int var_1_5 = -128; [L27] signed short int var_1_6 = 10; [L28] signed short int var_1_7 = -4; VAL [isInitial=0, var_1_1=125/4, var_1_2=156/5, var_1_3=0, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L58] isInitial = 1 [L59] FCALL initially() [L60] COND TRUE 1 [L61] FCALL updateLastVariables() [L62] CALL updateVariables() [L38] var_1_2 = __VERIFIER_nondet_float() [L39] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=0, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=0, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L39] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=125/4, var_1_3=0, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L40] var_1_3 = __VERIFIER_nondet_float() [L41] CALL assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L41] RET assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=513/8, var_1_5=-128, var_1_6=10, var_1_7=-4] [L42] var_1_4 = __VERIFIER_nondet_float() [L43] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=10, var_1_7=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=10, var_1_7=-4] [L43] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=10, var_1_7=-4] [L44] var_1_6 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_6 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-4] [L45] RET assume_abort_if_not(var_1_6 >= -16383) VAL [isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-4] [L46] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-4] [L46] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-4] [L47] var_1_7 = __VERIFIER_nondet_short() [L48] CALL assume_abort_if_not(var_1_7 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L48] RET assume_abort_if_not(var_1_7 >= -16383) VAL [isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L49] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L49] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_1=125/4, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L62] RET updateVariables() [L63] CALL step() [L32] var_1_1 = (((((256.75f) < (var_1_2)) ? (256.75f) : (var_1_2))) - (var_1_3 - var_1_4)) VAL [isInitial=1, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L33] COND FALSE !(var_1_4 <= (var_1_2 + (var_1_3 + var_1_1))) VAL [isInitial=1, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L63] RET step() [L64] CALL, EXPR property() [L54-L55] return (var_1_1 == ((float) (((((256.75f) < (var_1_2)) ? (256.75f) : (var_1_2))) - (var_1_3 - var_1_4)))) && ((var_1_4 <= (var_1_2 + (var_1_3 + var_1_1))) ? (var_1_5 == ((signed short int) (var_1_6 + var_1_7))) : 1) ; VAL [\result=0, isInitial=1, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L64] RET, EXPR property() [L64] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_3=16388, var_1_4=16387, var_1_5=-128, var_1_6=16382, var_1_7=-16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 7, 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, 35 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, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 0.1s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 84/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:49:04,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 342a391425e9273144e7f8d0607b5266ee0425388e31ab43115bf3acb263154c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:49:06,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:49:07,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:49:07,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:49:07,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:49:07,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:49:07,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:49:07,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:49:07,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:49:07,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:49:07,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:49:07,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:49:07,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:49:07,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:49:07,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:49:07,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:49:07,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:49:07,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:49:07,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:49:07,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:49:07,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:49:07,195 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:49:07,195 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:49:07,196 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:49:07,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:49:07,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:49:07,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:49:07,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:49:07,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:49:07,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:49:07,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:49:07,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:49:07,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:49:07,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:49:07,201 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:49:07,201 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:49:07,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:49:07,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:49:07,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:49:07,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:49:07,204 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:49:07,204 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:49:07,204 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_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 342a391425e9273144e7f8d0607b5266ee0425388e31ab43115bf3acb263154c [2023-11-06 22:49:07,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:49:07,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:49:07,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:49:07,610 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:49:07,611 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:49:07,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i [2023-11-06 22:49:10,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:49:11,092 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:49:11,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i [2023-11-06 22:49:11,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data/6c60759b8/4e0d1a6b5b50404680fa62c356efc4cd/FLAG360a0af84 [2023-11-06 22:49:11,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/data/6c60759b8/4e0d1a6b5b50404680fa62c356efc4cd [2023-11-06 22:49:11,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:49:11,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:49:11,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:11,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:49:11,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:49:11,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354c7341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11, skipping insertion in model container [2023-11-06 22:49:11,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,184 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:49:11,337 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_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i[914,927] [2023-11-06 22:49:11,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:11,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:49:11,423 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_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-0.i[914,927] [2023-11-06 22:49:11,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:11,481 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:49:11,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11 WrapperNode [2023-11-06 22:49:11,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:11,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:11,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:49:11,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:49:11,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,553 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2023-11-06 22:49:11,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:11,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:49:11,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:49:11,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:49:11,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:49:11,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:49:11,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:49:11,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:49:11,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (1/1) ... [2023-11-06 22:49:11,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:49:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:11,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:11,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:49:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:49:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:49:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:49:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:49:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:49:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:49:11,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:49:11,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:49:14,084 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:49:14,095 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:49:14,096 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:49:14,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:14 BoogieIcfgContainer [2023-11-06 22:49:14,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:49:14,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:49:14,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:49:14,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:49:14,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:49:11" (1/3) ... [2023-11-06 22:49:14,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e43226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:14, skipping insertion in model container [2023-11-06 22:49:14,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:11" (2/3) ... [2023-11-06 22:49:14,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e43226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:14, skipping insertion in model container [2023-11-06 22:49:14,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:14" (3/3) ... [2023-11-06 22:49:14,112 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-0.i [2023-11-06 22:49:14,132 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:49:14,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:49:14,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:49:14,208 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bf2449c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:49:14,209 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:49:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:49:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:49:14,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:49:14,227 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:14,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:49:14,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:14,238 INFO L85 PathProgramCache]: Analyzing trace with hash -347497792, now seen corresponding path program 1 times [2023-11-06 22:49:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:49:14,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367924431] [2023-11-06 22:49:14,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:14,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:49:14,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:49:14,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:49:14,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:49:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:14,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:49:14,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:49:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:49:14,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:49:14,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:49:14,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367924431] [2023-11-06 22:49:14,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367924431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:14,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:14,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:14,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242958361] [2023-11-06 22:49:14,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:14,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:49:14,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:49:14,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:49:14,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:14,727 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:49:14,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:49:14,762 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2023-11-06 22:49:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:49:14,765 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2023-11-06 22:49:14,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:49:14,772 INFO L225 Difference]: With dead ends: 57 [2023-11-06 22:49:14,773 INFO L226 Difference]: Without dead ends: 28 [2023-11-06 22:49:14,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:14,781 INFO L413 NwaCegarLoop]: 35 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, 35 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:49:14,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:49:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-06 22:49:14,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-06 22:49:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:49:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2023-11-06 22:49:14,832 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2023-11-06 22:49:14,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:49:14,833 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-06 22:49:14,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:49:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-06 22:49:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:49:14,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:49:14,839 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:14,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:15,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:49:15,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:49:15,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash -891918394, now seen corresponding path program 1 times [2023-11-06 22:49:15,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:49:15,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602450238] [2023-11-06 22:49:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:15,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:49:15,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:49:15,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:49:15,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0ddd60-8a27-40a4-a87f-965bae5b8b5a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:49:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:15,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:49:15,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:49:37,566 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:50:25,033 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_2~0 .cse0) (fp.leq c_~var_1_3~0 .cse1) (fp.geq c_~var_1_3~0 .cse0) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1027.0 4.0)))) (let ((.cse4 (fp.lt .cse2 c_~var_1_2~0)) (.cse3 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (or (and (= c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse2 .cse3)) .cse4) (and (not .cse4) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_2~0 .cse3)))))) (not (fp.leq c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.add c_currentRoundingMode c_~var_1_3~0 c_~var_1_1~0)))) (fp.leq c_~var_1_4~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (fp.geq c_~var_1_4~0 .cse0) (fp.leq c_~var_1_2~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-06 22:53:18,523 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1027.0 4.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse4 (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)))) (or (and (exists ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24)) (~var_1_2~0 (_ FloatingPoint 8 24))) (and (not (fp.lt .cse0 ~var_1_2~0)) (fp.geq ~var_1_4~0 .cse1) (not (fp.leq ~var_1_4~0 (fp.add roundNearestTiesToEven ~var_1_2~0 (fp.add roundNearestTiesToEven ~var_1_3~0 (fp.sub roundNearestTiesToEven ~var_1_2~0 (fp.sub roundNearestTiesToEven ~var_1_3~0 ~var_1_4~0)))))) (fp.leq ~var_1_4~0 .cse2) (fp.leq ~var_1_3~0 .cse3) (fp.geq ~var_1_3~0 .cse1) (fp.geq ~var_1_2~0 .cse1))) .cse4) (and (exists ((~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24)) (~var_1_2~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_2~0 .cse3) (fp.geq ~var_1_4~0 .cse1) (fp.lt .cse0 ~var_1_2~0) (fp.leq ~var_1_4~0 .cse2) (fp.leq ~var_1_3~0 .cse3) (not (fp.leq ~var_1_4~0 (fp.add roundNearestTiesToEven ~var_1_2~0 (fp.add roundNearestTiesToEven ~var_1_3~0 (fp.sub roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven ~var_1_3~0 ~var_1_4~0)))))) (fp.geq ~var_1_3~0 .cse1))) .cse4))) is different from false