./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:51,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:51,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:02:51,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:51,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:51,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:51,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:51,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:51,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:51,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:51,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:51,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:51,991 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:51,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:51,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:51,995 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:51,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:02:51,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:51,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:51,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:51,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:51,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:51,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:51,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:52,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:52,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:52,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:52,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:52,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:52,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:52,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:52,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:52,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:02:52,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:02:52,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:52,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:52,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:52,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:52,009 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:52,009 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 [2023-11-06 23:02:52,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:52,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:52,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:52,402 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:52,403 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:52,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2023-11-06 23:02:56,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:56,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:56,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2023-11-06 23:02:56,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data/93b8c3ea3/a1e7b0fdcdd048f7941aa1c76cf2c3fe/FLAG5f9b970a5 [2023-11-06 23:02:56,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data/93b8c3ea3/a1e7b0fdcdd048f7941aa1c76cf2c3fe [2023-11-06 23:02:56,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:56,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:56,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:56,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:56,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:56,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:56" (1/1) ... [2023-11-06 23:02:56,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4e33f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:56, skipping insertion in model container [2023-11-06 23:02:56,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:56" (1/1) ... [2023-11-06 23:02:56,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:56,909 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2023-11-06 23:02:56,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:56,964 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:56,982 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2023-11-06 23:02:57,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:57,022 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:57,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57 WrapperNode [2023-11-06 23:02:57,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:57,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:57,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:57,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:57,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,076 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2023-11-06 23:02:57,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:57,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:57,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:57,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:57,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:57,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:57,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:57,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:57,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (1/1) ... [2023-11-06 23:02:57,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:57,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:57,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:57,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:02:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:02:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:57,339 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:57,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:57,720 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:57,732 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:57,736 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:57,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:57 BoogieIcfgContainer [2023-11-06 23:02:57,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:57,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:57,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:57,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:57,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:56" (1/3) ... [2023-11-06 23:02:57,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e81dd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:57, skipping insertion in model container [2023-11-06 23:02:57,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:57" (2/3) ... [2023-11-06 23:02:57,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e81dd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:57, skipping insertion in model container [2023-11-06 23:02:57,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:57" (3/3) ... [2023-11-06 23:02:57,761 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-28.i [2023-11-06 23:02:57,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:57,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:57,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:57,882 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;@4a020e90, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:57,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 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) [2023-11-06 23:02:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 23:02:57,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:57,906 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, 1] [2023-11-06 23:02:57,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:57,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:57,917 INFO L85 PathProgramCache]: Analyzing trace with hash 707699992, now seen corresponding path program 1 times [2023-11-06 23:02:57,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:57,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387606960] [2023-11-06 23:02:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 23:02:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:02:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 23:02:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:02:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 23:02:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:02:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 23:02:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 23:02:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:02:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 23:02:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 23:02:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 23:02:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:58,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387606960] [2023-11-06 23:02:58,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387606960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:58,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:58,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:58,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463069725] [2023-11-06 23:02:58,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:58,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:02:58,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:02:58,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:02:58,473 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2023-11-06 23:02:58,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:58,514 INFO L93 Difference]: Finished difference Result 71 states and 111 transitions. [2023-11-06 23:02:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:02:58,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 73 [2023-11-06 23:02:58,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:58,529 INFO L225 Difference]: With dead ends: 71 [2023-11-06 23:02:58,529 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 23:02:58,535 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 [2023-11-06 23:02:58,540 INFO L413 NwaCegarLoop]: 46 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, 46 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 23:02:58,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:58,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 23:02:58,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-06 23:02:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 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) [2023-11-06 23:02:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2023-11-06 23:02:58,619 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 73 [2023-11-06 23:02:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:58,620 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2023-11-06 23:02:58,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2023-11-06 23:02:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-06 23:02:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 23:02:58,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:58,626 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, 1] [2023-11-06 23:02:58,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:02:58,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:58,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:58,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1841486162, now seen corresponding path program 1 times [2023-11-06 23:02:58,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:58,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615514626] [2023-11-06 23:02:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:58,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:58,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:02:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:59,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:02:59,054 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:02:59,056 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:02:59,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:02:59,063 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 23:02:59,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:02:59,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:02:59 BoogieIcfgContainer [2023-11-06 23:02:59,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:02:59,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:02:59,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:02:59,140 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:02:59,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:57" (3/4) ... [2023-11-06 23:02:59,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:02:59,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:02:59,147 INFO L158 Benchmark]: Toolchain (without parser) took 2508.67ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 106.0MB in the beginning and 131.0MB in the end (delta: -25.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-06 23:02:59,147 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:59,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.20ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 94.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:02:59,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.41ms. Allocated memory is still 138.4MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:59,150 INFO L158 Benchmark]: Boogie Preprocessor took 35.01ms. Allocated memory is still 138.4MB. Free memory was 92.4MB in the beginning and 91.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:59,151 INFO L158 Benchmark]: RCFGBuilder took 628.97ms. Allocated memory is still 138.4MB. Free memory was 91.0MB in the beginning and 79.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:02:59,152 INFO L158 Benchmark]: TraceAbstraction took 1389.17ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 78.5MB in the beginning and 131.3MB in the end (delta: -52.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-06 23:02:59,153 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 195.0MB. Free memory was 131.3MB in the beginning and 131.0MB in the end (delta: 280.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:59,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.20ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 94.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.41ms. Allocated memory is still 138.4MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.01ms. Allocated memory is still 138.4MB. Free memory was 92.4MB in the beginning and 91.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.97ms. Allocated memory is still 138.4MB. Free memory was 91.0MB in the beginning and 79.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1389.17ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 78.5MB in the beginning and 131.3MB in the end (delta: -52.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 195.0MB. Free memory was 131.3MB in the beginning and 131.0MB in the end (delta: 280.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] double var_1_2 = 10.6; [L24] double var_1_3 = 1.8; [L25] double var_1_4 = 31.8; [L26] double var_1_5 = 24.25; [L27] signed char var_1_6 = 1; [L28] signed char var_1_7 = -25; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 8; VAL [isInitial=0, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_2=53/5, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L72] isInitial = 1 [L73] FCALL initially() [L74] COND TRUE 1 [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L46] var_1_2 = __VERIFIER_nondet_double() [L47] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L47] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L48] var_1_3 = __VERIFIER_nondet_double() [L49] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L49] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L50] var_1_4 = __VERIFIER_nondet_double() [L51] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L51] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L52] var_1_5 = __VERIFIER_nondet_double() [L53] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L53] 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_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L54] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L55] var_1_6 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=-25, var_1_8=1, var_1_9=0] [L56] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=-25, var_1_8=1, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=-25, var_1_8=1, var_1_9=0] [L57] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=-25, var_1_8=1, var_1_9=0] [L58] var_1_7 = __VERIFIER_nondet_char() [L59] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L59] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L60] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L60] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L63] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L63] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L76] RET updateVariables() [L77] CALL step() [L36] COND TRUE var_1_2 > ((var_1_3 * var_1_4) / var_1_5) [L37] var_1_1 = ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=4, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=1, var_1_9=0] [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_9 [L43] var_1_11 = 10 VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=4, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=0, var_1_9=0] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 > ((var_1_3 * var_1_4) / var_1_5)) ? (var_1_1 == ((signed char) ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((unsigned char) var_1_9))) && (var_1_11 == ((unsigned char) 10)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=10, var_1_1=4, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=0, var_1_9=0] [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=10, var_1_1=4, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=10, var_1_1=4, var_1_3=262, var_1_4=261, var_1_5=263, var_1_6=4, var_1_7=5, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 46 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, 46 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 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 [2023-11-06 23:02:59,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:02,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:02,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:03:02,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:02,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:02,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:02,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:02,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:02,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:02,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:02,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:02,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:02,744 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:02,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:02,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:02,748 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:02,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:02,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:02,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:02,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:02,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:02,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:03:02,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:03:02,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:03:02,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:02,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:02,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:02,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:02,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:02,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:02,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:02,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:02,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:02,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:02,762 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:03:02,762 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:03:02,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:02,763 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:02,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:02,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:02,765 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:03:02,766 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:02,766 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 [2023-11-06 23:03:03,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:03,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:03,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:03,326 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:03,327 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:03,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2023-11-06 23:03:07,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:07,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:07,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2023-11-06 23:03:07,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data/6093e037c/7e86a3e315ab4d6788d83775439f16ce/FLAGfd31360a6 [2023-11-06 23:03:07,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/data/6093e037c/7e86a3e315ab4d6788d83775439f16ce [2023-11-06 23:03:07,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:07,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:07,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:07,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:07,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:07,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:07,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3291e0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07, skipping insertion in model container [2023-11-06 23:03:07,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:07,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:07,800 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2023-11-06 23:03:07,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:07,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:07,927 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_ad32ff38-40ac-4a7f-aeb9-8417255fb562/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2023-11-06 23:03:07,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:07,997 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:07,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07 WrapperNode [2023-11-06 23:03:07,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:07,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:07,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:08,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:08,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,093 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-11-06 23:03:08,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:08,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:08,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:08,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:08,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:08,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:08,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:08,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:08,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (1/1) ... [2023-11-06 23:03:08,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:08,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:08,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:03:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:03:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:03:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:08,453 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:08,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:16,690 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:16,699 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:16,700 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:16,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:16 BoogieIcfgContainer [2023-11-06 23:03:16,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:16,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:16,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:16,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:16,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:07" (1/3) ... [2023-11-06 23:03:16,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be3d276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:16, skipping insertion in model container [2023-11-06 23:03:16,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:07" (2/3) ... [2023-11-06 23:03:16,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be3d276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:16, skipping insertion in model container [2023-11-06 23:03:16,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:16" (3/3) ... [2023-11-06 23:03:16,716 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-28.i [2023-11-06 23:03:16,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:16,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:16,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:16,812 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;@25fd7b61, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:16,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 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) [2023-11-06 23:03:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 23:03:16,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:16,834 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, 1] [2023-11-06 23:03:16,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:16,842 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:16,843 INFO L85 PathProgramCache]: Analyzing trace with hash 707699992, now seen corresponding path program 1 times [2023-11-06 23:03:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:16,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93784958] [2023-11-06 23:03:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:16,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:03:16,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:16,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:03:16,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:03:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:18,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:03:18,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-06 23:03:18,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:18,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:18,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93784958] [2023-11-06 23:03:18,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93784958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:18,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:18,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:18,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444427347] [2023-11-06 23:03:18,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:18,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:18,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:18,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:18,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:18,776 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 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 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 23:03:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:18,810 INFO L93 Difference]: Finished difference Result 71 states and 111 transitions. [2023-11-06 23:03:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:18,813 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2023-11-06 23:03:18,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:18,822 INFO L225 Difference]: With dead ends: 71 [2023-11-06 23:03:18,822 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 23:03:18,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 23:03:18,831 INFO L413 NwaCegarLoop]: 46 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, 46 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 23:03:18,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:18,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 23:03:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-06 23:03:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 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) [2023-11-06 23:03:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2023-11-06 23:03:18,876 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 73 [2023-11-06 23:03:18,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:18,877 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2023-11-06 23:03:18,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 23:03:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-06 23:03:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 23:03:18,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:18,882 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, 1] [2023-11-06 23:03:18,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/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 23:03:19,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:03:19,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:19,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1841486162, now seen corresponding path program 1 times [2023-11-06 23:03:19,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:19,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642452237] [2023-11-06 23:03:19,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:19,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:03:19,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:19,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:03:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:03:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:20,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:03:20,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:25,438 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:03:31,467 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:03:37,652 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:03:43,831 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:03:50,122 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:03:52,609 WARN L839 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) is different from false [2023-11-06 23:03:55,124 WARN L861 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) is different from true [2023-11-06 23:04:06,377 WARN L293 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:12,586 WARN L293 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:18,904 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:25,092 WARN L293 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:31,273 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:37,411 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:43,711 WARN L293 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:04:46,244 WARN L839 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from false [2023-11-06 23:04:48,766 WARN L861 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from true [2023-11-06 23:05:00,281 WARN L839 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))) is different from false [2023-11-06 23:05:07,983 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:05:10,540 WARN L839 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2023-11-06 23:05:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 23:05:10,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:10,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:10,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642452237] [2023-11-06 23:05:10,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642452237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:10,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:10,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:05:10,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515537521] [2023-11-06 23:05:10,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:10,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:05:10,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:05:10,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2023-11-06 23:05:10,570 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 23:05:10,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:10,600 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2023-11-06 23:05:10,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:05:10,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2023-11-06 23:05:10,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:10,605 INFO L225 Difference]: With dead ends: 41 [2023-11-06 23:05:10,607 INFO L226 Difference]: Without dead ends: 39 [2023-11-06 23:05:10,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2023-11-06 23:05:10,609 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:10,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 114 Unchecked, 0.0s Time] [2023-11-06 23:05:10,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-06 23:05:10,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-06 23:05:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2023-11-06 23:05:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2023-11-06 23:05:10,635 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 73 [2023-11-06 23:05:10,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:10,637 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2023-11-06 23:05:10,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 23:05:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-06 23:05:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 23:05:10,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:10,640 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, 1] [2023-11-06 23:05:10,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-06 23:05:10,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:05:10,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:10,842 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1898744464, now seen corresponding path program 1 times [2023-11-06 23:05:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:05:10,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341775070] [2023-11-06 23:05:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:10,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:05:10,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:05:10,845 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:05:10,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 23:05:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:12,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:05:12,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:18,586 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:05:26,010 WARN L839 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0)) is different from false [2023-11-06 23:05:28,486 WARN L861 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0)) is different from true [2023-11-06 23:05:34,621 WARN L293 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:05:40,769 WARN L293 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:05:51,883 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:05:58,030 WARN L293 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:06:00,532 WARN L839 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from false [2023-11-06 23:06:03,041 WARN L861 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from true [2023-11-06 23:06:14,047 WARN L839 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))))) is different from false [2023-11-06 23:06:21,708 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:06:24,240 WARN L839 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2023-11-06 23:06:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 23:06:24,260 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:24,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:06:24,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341775070] [2023-11-06 23:06:24,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341775070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:24,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:24,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:06:24,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988622983] [2023-11-06 23:06:24,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:24,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:06:24,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:06:24,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:06:24,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2023-11-06 23:06:24,264 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 23:06:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:24,278 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2023-11-06 23:06:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:06:24,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2023-11-06 23:06:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:24,280 INFO L225 Difference]: With dead ends: 39 [2023-11-06 23:06:24,280 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:06:24,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2023-11-06 23:06:24,283 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:24,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 109 Unchecked, 0.0s Time] [2023-11-06 23:06:24,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:06:24,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:06:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:06:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:06:24,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2023-11-06 23:06:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:24,286 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:06:24,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 23:06:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:06:24,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:06:24,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:06:24,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:24,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:06:24,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:06:56,622 WARN L293 SmtUtils]: Spent 32.07s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 23:06:56,627 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-06 23:06:56,627 INFO L902 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: true [2023-11-06 23:06:56,628 INFO L902 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: true [2023-11-06 23:06:56,628 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 23:06:56,628 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 23:06:56,628 INFO L902 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: true [2023-11-06 23:06:56,628 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 71 82) the Hoare annotation is: false [2023-11-06 23:06:56,628 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 40) no Hoare annotation was computed. [2023-11-06 23:06:56,628 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 40) no Hoare annotation was computed. [2023-11-06 23:06:56,629 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 66) no Hoare annotation was computed. [2023-11-06 23:06:56,629 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:06:56,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:06:56,629 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-06 23:06:56,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 23:06:56,629 INFO L902 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: true [2023-11-06 23:06:56,629 INFO L902 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: true [2023-11-06 23:06:56,630 INFO L902 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2023-11-06 23:06:56,630 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2023-11-06 23:06:56,630 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 67 70) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_property_#res#1| (_ bv1 32)))) (or (and .cse0 (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))))) (and .cse0 (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))))) [2023-11-06 23:06:56,631 INFO L902 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: true [2023-11-06 23:06:56,631 INFO L899 garLoopResultBuilder]: For program point L74-3(lines 74 80) no Hoare annotation was computed. [2023-11-06 23:06:56,631 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2023-11-06 23:06:56,631 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:06:56,632 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2023-11-06 23:06:56,632 INFO L902 garLoopResultBuilder]: At program point L62-1(line 62) the Hoare annotation is: true [2023-11-06 23:06:56,632 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 23:06:56,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:06:56,633 INFO L899 garLoopResultBuilder]: For program point L63(lines 45 64) no Hoare annotation was computed. [2023-11-06 23:06:56,633 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2023-11-06 23:06:56,633 INFO L902 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: true [2023-11-06 23:06:56,633 INFO L902 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: true [2023-11-06 23:06:56,633 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-11-06 23:06:56,633 INFO L902 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: true [2023-11-06 23:06:56,634 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-11-06 23:06:56,634 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 44) no Hoare annotation was computed. [2023-11-06 23:06:56,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 23:06:56,634 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 23:06:56,634 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 23:06:56,635 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 23:06:56,638 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 23:06:56,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:06:56,655 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: !~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,656 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,657 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: !~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,657 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:06:56 BoogieIcfgContainer [2023-11-06 23:06:56,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:06:56,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:06:56,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:06:56,659 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:06:56,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:16" (3/4) ... [2023-11-06 23:06:56,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:06:56,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 23:06:56,673 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 23:06:56,674 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:06:56,674 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:06:56,674 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:06:56,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1) || (\result == 1)) [2023-11-06 23:06:56,730 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1) || (\result == 1)) [2023-11-06 23:06:56,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:06:56,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:06:56,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:06:56,740 INFO L158 Benchmark]: Toolchain (without parser) took 229270.27ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 57.9MB in the beginning and 31.1MB in the end (delta: 26.9MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,741 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 142.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.24ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 45.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.76ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 43.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,742 INFO L158 Benchmark]: Boogie Preprocessor took 74.31ms. Allocated memory is still 81.8MB. Free memory was 43.9MB in the beginning and 42.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:06:56,743 INFO L158 Benchmark]: RCFGBuilder took 8533.79ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 53.1MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,743 INFO L158 Benchmark]: TraceAbstraction took 219951.87ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 34.2MB in the end (delta: 18.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,744 INFO L158 Benchmark]: Witness Printer took 80.46ms. Allocated memory is still 102.8MB. Free memory was 34.2MB in the beginning and 31.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:06:56,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 142.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.24ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 45.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.76ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 43.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.31ms. Allocated memory is still 81.8MB. Free memory was 43.9MB in the beginning and 42.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 8533.79ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 53.1MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 219951.87ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 34.2MB in the end (delta: 18.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Witness Printer took 80.46ms. Allocated memory is still 102.8MB. Free memory was 34.2MB in the beginning and 31.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: !~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: !~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 219.9s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 32.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 223 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 136 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 37 PreInvPairs, 52 NumberOfFragments, 45 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 32.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 182.4s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 4 QuantifiedInterpolants, 380 SizeOfPredicates, 30 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant [2023-11-06 23:06:56,774 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: !~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,774 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,775 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: !~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated [2023-11-06 23:06:56,775 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~var_1_3~0 : C_DOUBLE, ~var_1_2~0 : C_DOUBLE, ~var_1_5~0 : C_DOUBLE, ~var_1_4~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.gt~64(~var_1_2~0, ~fp.div~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~var_1_3~0, ~var_1_4~0), ~var_1_5~0))) could not be translated Derived loop invariant: ((\result == 1) || (\result == 1)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:06:56,999 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 23:06:57,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32ff38-40ac-4a7f-aeb9-8417255fb562/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE