./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/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_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/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 64bit --witnessprinter.graph.data.programhash 3b705ca0c5b5371dfb056caad606a25fce2d2b74615677865ff593635c093e46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:46,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:47,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:07:47,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:47,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:47,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:47,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:47,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:47,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:47,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:47,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:47,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:47,072 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:47,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:47,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:47,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:47,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:47,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:47,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:47,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:47,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:47,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:47,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:47,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:47,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:47,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:47,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:47,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:47,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:47,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:47,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:47,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:47,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:47,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:47,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:47,086 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:47,086 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_7d80be82-76fe-4e5d-95c9-baab2511c836/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b705ca0c5b5371dfb056caad606a25fce2d2b74615677865ff593635c093e46 [2023-11-06 22:07:47,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:47,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:47,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:47,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:47,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:47,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c [2023-11-06 22:07:50,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:50,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:50,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c [2023-11-06 22:07:50,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data/cc0913a6a/a297e26fce044956ae5e00a40634d205/FLAGc12b736e6 [2023-11-06 22:07:50,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data/cc0913a6a/a297e26fce044956ae5e00a40634d205 [2023-11-06 22:07:50,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:50,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:50,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:50,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:50,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:50,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:50" (1/1) ... [2023-11-06 22:07:50,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796313e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:50, skipping insertion in model container [2023-11-06 22:07:50,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:50" (1/1) ... [2023-11-06 22:07:50,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:51,103 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_7d80be82-76fe-4e5d-95c9-baab2511c836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c[1266,1279] [2023-11-06 22:07:51,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:51,272 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:51,298 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_7d80be82-76fe-4e5d-95c9-baab2511c836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c[1266,1279] [2023-11-06 22:07:51,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:51,394 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:51,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51 WrapperNode [2023-11-06 22:07:51,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:51,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:51,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:51,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:51,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,537 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 745 [2023-11-06 22:07:51,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:51,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:51,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:51,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:51,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:51,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:51,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:51,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:51,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (1/1) ... [2023-11-06 22:07:51,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:51,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:51,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:51,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:51,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:52,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:52,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:53,144 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:53,152 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:53,152 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:53,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:53 BoogieIcfgContainer [2023-11-06 22:07:53,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:53,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:53,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:53,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:53,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:50" (1/3) ... [2023-11-06 22:07:53,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4a187f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:53, skipping insertion in model container [2023-11-06 22:07:53,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:51" (2/3) ... [2023-11-06 22:07:53,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4a187f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:53, skipping insertion in model container [2023-11-06 22:07:53,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:53" (3/3) ... [2023-11-06 22:07:53,179 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c [2023-11-06 22:07:53,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:53,226 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:53,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:53,292 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;@6f2acac4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:53,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 99 states have (on average 1.6464646464646464) internal successors, (163), 100 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:07:53,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:53,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:53,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:53,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:53,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1518640024, now seen corresponding path program 1 times [2023-11-06 22:07:53,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:53,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652079668] [2023-11-06 22:07:53,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:53,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:54,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:54,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652079668] [2023-11-06 22:07:54,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652079668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:54,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:54,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:54,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663907802] [2023-11-06 22:07:54,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:54,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:54,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:54,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:54,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:54,419 INFO L87 Difference]: Start difference. First operand has 101 states, 99 states have (on average 1.6464646464646464) internal successors, (163), 100 states have internal predecessors, (163), 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) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:54,558 INFO L93 Difference]: Finished difference Result 164 states and 269 transitions. [2023-11-06 22:07:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:54,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) Word has length 35 [2023-11-06 22:07:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:54,575 INFO L225 Difference]: With dead ends: 164 [2023-11-06 22:07:54,575 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:07:54,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:54,585 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 219 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:54,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 212 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:54,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:07:54,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2023-11-06 22:07:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.6145833333333333) internal successors, (155), 96 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 155 transitions. [2023-11-06 22:07:54,659 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 155 transitions. Word has length 35 [2023-11-06 22:07:54,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:54,660 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 155 transitions. [2023-11-06 22:07:54,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2023-11-06 22:07:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 22:07:54,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:54,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:54,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:54,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:54,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:54,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1881507140, now seen corresponding path program 1 times [2023-11-06 22:07:54,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:54,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232802001] [2023-11-06 22:07:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:54,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:55,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:55,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232802001] [2023-11-06 22:07:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232802001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:55,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459998940] [2023-11-06 22:07:55,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:55,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:55,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:55,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:55,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:55,014 INFO L87 Difference]: Start difference. First operand 97 states and 155 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:55,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:55,066 INFO L93 Difference]: Finished difference Result 101 states and 159 transitions. [2023-11-06 22:07:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) Word has length 36 [2023-11-06 22:07:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:55,073 INFO L225 Difference]: With dead ends: 101 [2023-11-06 22:07:55,073 INFO L226 Difference]: Without dead ends: 99 [2023-11-06 22:07:55,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:55,078 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:55,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 453 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:55,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-06 22:07:55,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-06 22:07:55,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.6020408163265305) internal successors, (157), 98 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 157 transitions. [2023-11-06 22:07:55,097 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 157 transitions. Word has length 36 [2023-11-06 22:07:55,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:55,098 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 157 transitions. [2023-11-06 22:07:55,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2023-11-06 22:07:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:07:55,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:55,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:55,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:07:55,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:55,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1801095676, now seen corresponding path program 1 times [2023-11-06 22:07:55,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:55,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529997825] [2023-11-06 22:07:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:55,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:55,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:07:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:55,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:07:55,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:07:55,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:07:55,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:07:55,324 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:07:55,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:55,384 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:07:55,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:55 BoogieIcfgContainer [2023-11-06 22:07:55,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:55,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:55,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:55,401 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:55,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:53" (3/4) ... [2023-11-06 22:07:55,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:07:55,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:55,407 INFO L158 Benchmark]: Toolchain (without parser) took 4531.01ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 138.7MB in the beginning and 115.1MB in the end (delta: 23.6MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,407 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:55,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.95ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 117.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.57ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 105.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,409 INFO L158 Benchmark]: Boogie Preprocessor took 168.86ms. Allocated memory is still 169.9MB. Free memory was 105.1MB in the beginning and 99.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,409 INFO L158 Benchmark]: RCFGBuilder took 1459.82ms. Allocated memory is still 169.9MB. Free memory was 99.5MB in the beginning and 72.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,410 INFO L158 Benchmark]: TraceAbstraction took 2229.73ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 71.2MB in the beginning and 115.1MB in the end (delta: -43.9MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,410 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 216.0MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:55,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.95ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 117.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.57ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 105.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 168.86ms. Allocated memory is still 169.9MB. Free memory was 105.1MB in the beginning and 99.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1459.82ms. Allocated memory is still 169.9MB. Free memory was 99.5MB in the beginning and 72.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2229.73ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 71.2MB in the beginning and 115.1MB in the end (delta: -43.9MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 216.0MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: 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 bitwiseAnd at line 161. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 10); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (10 - 1); [L35] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 2); [L36] const SORT_11 msb_SORT_11 = (SORT_11)1 << (2 - 1); [L38] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 32); [L39] const SORT_13 msb_SORT_13 = (SORT_13)1 << (32 - 1); [L41] const SORT_30 mask_SORT_30 = (SORT_30)-1 >> (sizeof(SORT_30) * 8 - 4); [L42] const SORT_30 msb_SORT_30 = (SORT_30)1 << (4 - 1); [L44] const SORT_7 var_8 = 0; [L45] const SORT_13 var_15 = 0; [L46] const SORT_1 var_19 = 1; [L47] const SORT_1 var_23 = 0; [L48] const SORT_13 var_74 = 1; [L49] const SORT_13 var_78 = 104; [L51] SORT_1 input_2; [L52] SORT_3 input_4; [L53] SORT_1 input_5; [L54] SORT_1 input_6; [L55] SORT_1 input_28; [L56] SORT_30 input_31; [L57] SORT_1 input_33; [L58] SORT_30 input_35; [L59] SORT_1 input_37; [L60] SORT_1 input_39; [L61] SORT_1 input_45; [L62] SORT_1 input_47; [L63] SORT_1 input_49; [L64] SORT_3 input_53; [L65] SORT_1 input_56; [L66] SORT_1 input_66; [L67] SORT_7 input_72; [L68] SORT_1 input_86; [L69] SORT_1 input_92; [L70] SORT_1 input_98; [L71] SORT_1 input_104; [L72] SORT_1 input_105; [L73] SORT_1 input_106; [L74] SORT_1 input_120; [L75] SORT_1 input_122; [L76] SORT_1 input_137; [L77] SORT_1 input_138; [L78] SORT_1 input_139; [L80] EXPR __VERIFIER_nondet_ushort() & mask_SORT_7 VAL [__VERIFIER_nondet_ushort() & mask_SORT_7=0, __VERIFIER_nondet_ushort()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L80] SORT_7 state_9 = __VERIFIER_nondet_ushort() & mask_SORT_7; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L81] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L82] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L83] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L84] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L85] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L86] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=0, state_58=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L87] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=0, state_58=0, state_60=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L88] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=0, state_58=0, state_60=0, state_62=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L89] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=0, state_58=0, state_60=0, state_62=0, state_64=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L90] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=0, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L91] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_7 init_10_arg_1 = var_8; [L94] state_9 = init_10_arg_1 [L95] SORT_1 init_25_arg_1 = var_23; [L96] state_24 = init_25_arg_1 [L97] SORT_1 init_27_arg_1 = var_23; [L98] state_26 = init_27_arg_1 [L99] SORT_1 init_42_arg_1 = var_23; [L100] state_41 = init_42_arg_1 [L101] SORT_1 init_44_arg_1 = var_23; [L102] state_43 = init_44_arg_1 [L103] SORT_1 init_52_arg_1 = var_19; [L104] state_51 = init_52_arg_1 [L105] SORT_1 init_59_arg_1 = var_23; [L106] state_58 = init_59_arg_1 [L107] SORT_1 init_61_arg_1 = var_23; [L108] state_60 = init_61_arg_1 [L109] SORT_1 init_63_arg_1 = var_23; [L110] state_62 = init_63_arg_1 [L111] SORT_1 init_65_arg_1 = var_23; [L112] state_64 = init_65_arg_1 [L113] SORT_1 init_69_arg_1 = var_23; [L114] state_68 = init_69_arg_1 [L115] SORT_1 init_71_arg_1 = var_23; [L116] state_70 = init_71_arg_1 VAL [init_10_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_70=0, state_9=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L119] input_2 = __VERIFIER_nondet_uchar() [L120] input_4 = __VERIFIER_nondet_uchar() [L121] input_5 = __VERIFIER_nondet_uchar() [L122] input_6 = __VERIFIER_nondet_uchar() [L123] input_28 = __VERIFIER_nondet_uchar() [L124] input_31 = __VERIFIER_nondet_uchar() [L125] input_33 = __VERIFIER_nondet_uchar() [L126] input_35 = __VERIFIER_nondet_uchar() [L127] input_37 = __VERIFIER_nondet_uchar() [L128] input_39 = __VERIFIER_nondet_uchar() [L129] input_45 = __VERIFIER_nondet_uchar() [L130] input_47 = __VERIFIER_nondet_uchar() [L131] input_49 = __VERIFIER_nondet_uchar() [L132] input_53 = __VERIFIER_nondet_uchar() [L133] input_56 = __VERIFIER_nondet_uchar() [L134] input_66 = __VERIFIER_nondet_uchar() [L135] input_72 = __VERIFIER_nondet_ushort() [L136] input_86 = __VERIFIER_nondet_uchar() [L137] input_92 = __VERIFIER_nondet_uchar() [L138] input_98 = __VERIFIER_nondet_uchar() [L139] input_104 = __VERIFIER_nondet_uchar() [L140] input_105 = __VERIFIER_nondet_uchar() [L141] input_106 = __VERIFIER_nondet_uchar() [L142] input_120 = __VERIFIER_nondet_uchar() [L143] input_122 = __VERIFIER_nondet_uchar() [L144] input_137 = __VERIFIER_nondet_uchar() [L145] input_138 = __VERIFIER_nondet_uchar() [L146] input_139 = __VERIFIER_nondet_uchar() [L149] SORT_7 var_12_arg_0 = state_9; [L150] SORT_11 var_12 = var_12_arg_0 >> 8; [L151] SORT_11 var_14_arg_0 = var_12; VAL [init_10_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_70=0, state_9=0, var_12=0, var_12_arg_0=0, var_14_arg_0=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L152] EXPR var_14_arg_0 & mask_SORT_11 VAL [init_10_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_70=0, state_9=0, var_12=0, var_12_arg_0=0, var_14_arg_0 & mask_SORT_11=0, var_14_arg_0=0, var_15=0, var_19=1, var_23=0, var_74=1, var_78=104, var_8=0] [L152] var_14_arg_0 = var_14_arg_0 & mask_SORT_11 [L153] SORT_13 var_14 = var_14_arg_0; [L154] SORT_13 var_16_arg_0 = var_14; [L155] SORT_13 var_16_arg_1 = var_15; [L156] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L157] SORT_1 var_20_arg_0 = var_16; [L158] SORT_1 var_20 = ~var_20_arg_0; [L159] SORT_1 var_21_arg_0 = var_19; [L160] SORT_1 var_21_arg_1 = var_20; VAL [init_10_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_70=0, state_9=0, var_12=0, var_12_arg_0=0, var_14=0, var_14_arg_0=0, var_15=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_19=1, var_20=254, var_20_arg_0=1, var_21_arg_0=1, var_21_arg_1=254, var_23=0, var_74=1, var_78=104, var_8=0] [L161] EXPR var_21_arg_0 & var_21_arg_1 VAL [init_10_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_70=0, state_9=0, var_12=0, var_12_arg_0=0, var_14=0, var_14_arg_0=0, var_15=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_19=1, var_20=254, var_20_arg_0=1, var_21_arg_0 & var_21_arg_1=1, var_21_arg_0=1, var_21_arg_1=254, var_23=0, var_74=1, var_78=104, var_8=0] [L161] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L162] EXPR var_21 & mask_SORT_1 VAL [init_10_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, mask_SORT_11=3, mask_SORT_13=4294967295, mask_SORT_1=1, mask_SORT_30=15, mask_SORT_3=255, mask_SORT_7=1023, msb_SORT_11=2, msb_SORT_13=2147483648, msb_SORT_1=1, msb_SORT_30=8, msb_SORT_3=128, msb_SORT_7=512, state_24=0, state_26=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_68=0, state_70=0, state_9=0, var_12=0, var_12_arg_0=0, var_14=0, var_14_arg_0=0, var_15=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_19=1, var_20=254, var_20_arg_0=1, var_21 & mask_SORT_1=1, var_21=1, var_21_arg_0=1, var_21_arg_1=254, var_23=0, var_74=1, var_78=104, var_8=0] [L162] var_21 = var_21 & mask_SORT_1 [L163] SORT_1 bad_22_arg_0 = var_21; [L164] CALL __VERIFIER_assert(!(bad_22_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 665 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 299 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:07:55,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/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_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/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 64bit --witnessprinter.graph.data.programhash 3b705ca0c5b5371dfb056caad606a25fce2d2b74615677865ff593635c093e46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:58,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:58,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:07:58,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:58,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:58,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:58,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:58,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:58,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:58,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:58,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:58,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:58,374 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:58,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:58,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:58,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:58,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:58,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:58,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:58,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:07:58,379 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:07:58,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:07:58,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:58,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:58,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:58,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:58,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:58,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:58,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:58,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:58,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:58,384 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:07:58,385 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:58,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:58,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:58,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:58,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:58,386 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:07:58,386 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:58,387 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_7d80be82-76fe-4e5d-95c9-baab2511c836/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b705ca0c5b5371dfb056caad606a25fce2d2b74615677865ff593635c093e46 [2023-11-06 22:07:58,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:58,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:58,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:58,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:58,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:58,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c [2023-11-06 22:08:02,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:02,349 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:02,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c [2023-11-06 22:08:02,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data/af3fd528a/64bb024b1d1f4318ba62a158a5bdf138/FLAGec94e34fd [2023-11-06 22:08:02,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/data/af3fd528a/64bb024b1d1f4318ba62a158a5bdf138 [2023-11-06 22:08:02,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:02,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:02,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:02,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:02,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:02,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:02,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1566759a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02, skipping insertion in model container [2023-11-06 22:08:02,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:02,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:02,685 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_7d80be82-76fe-4e5d-95c9-baab2511c836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c[1266,1279] [2023-11-06 22:08:02,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:02,862 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:02,876 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_7d80be82-76fe-4e5d-95c9-baab2511c836/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c[1266,1279] [2023-11-06 22:08:02,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:02,951 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:02,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02 WrapperNode [2023-11-06 22:08:02,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:02,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:02,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:02,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:02,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:02,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,024 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 445 [2023-11-06 22:08:03,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:03,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:03,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:03,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:03,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:03,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:03,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:03,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:03,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:03,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:03,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:03,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:03,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:08:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:03,467 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:03,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:04,002 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:04,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:04,015 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:08:04,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:04 BoogieIcfgContainer [2023-11-06 22:08:04,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:04,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:04,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:04,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:04,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:02" (1/3) ... [2023-11-06 22:08:04,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c572159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:04, skipping insertion in model container [2023-11-06 22:08:04,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02" (2/3) ... [2023-11-06 22:08:04,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c572159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:04, skipping insertion in model container [2023-11-06 22:08:04,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:04" (3/3) ... [2023-11-06 22:08:04,031 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p03.c [2023-11-06 22:08:04,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:04,053 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:08:04,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:04,126 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;@34851014, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:04,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:08:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:08:04,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:04,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:08:04,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:04,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:04,153 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:08:04,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:04,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864595954] [2023-11-06 22:08:04,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:04,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:04,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:04,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:08:04,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:08:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:04,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:08:04,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:04,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:04,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:04,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864595954] [2023-11-06 22:08:04,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864595954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:04,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:04,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:04,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941476332] [2023-11-06 22:08:04,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:04,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:04,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:04,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:04,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:04,830 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:04,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:04,918 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:08:04,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:04,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2023-11-06 22:08:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:04,929 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:08:04,929 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:08:04,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:04,938 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:04,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:08:04,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:08:04,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:08:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:08:04,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:08:04,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:04,979 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:08:04,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:08:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:08:04,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:04,980 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:04,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/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)] Ended with exit code 0 [2023-11-06 22:08:05,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:05,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:05,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:05,192 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:08:05,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:05,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323298597] [2023-11-06 22:08:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:05,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:05,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:05,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:08:05,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:08:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:05,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 22:08:05,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:05,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:06,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:06,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323298597] [2023-11-06 22:08:06,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323298597] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:08:06,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:06,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:08:06,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542341759] [2023-11-06 22:08:06,452 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:06,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:08:06,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:06,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:08:06,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:08:06,457 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:06,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:06,634 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:08:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:08:06,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2023-11-06 22:08:06,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:06,636 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:08:06,636 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:08:06,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:06,638 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:06,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:08:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:08:06,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:08:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:08:06,644 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:08:06,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:06,644 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:08:06,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:06,645 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:08:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:08:06,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:06,645 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:08:06,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:06,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:06,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:06,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:06,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:08:06,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:06,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039898073] [2023-11-06 22:08:06,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:08:06,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:06,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:08:06,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:08:07,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:08:07,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:08:07,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-06 22:08:07,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:07,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:10,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:10,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039898073] [2023-11-06 22:08:10,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039898073] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:08:10,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:10,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:08:10,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824789747] [2023-11-06 22:08:10,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:10,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:08:10,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:10,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:08:10,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:10,180 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:10,390 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 22:08:10,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:08:10,391 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) Word has length 11 [2023-11-06 22:08:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:10,392 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:08:10,392 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 22:08:10,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:08:10,393 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:10,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:08:10,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 22:08:10,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 22:08:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:08:10,400 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 22:08:10,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:10,400 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:08:10,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:08:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:08:10,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:10,402 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 22:08:10,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:10,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:10,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:10,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:10,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 22:08:10,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:10,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431697377] [2023-11-06 22:08:10,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:08:10,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:10,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:10,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:08:10,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:08:11,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-06 22:08:11,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:08:11,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-06 22:08:11,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:08:12,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:08:17,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:17,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431697377] [2023-11-06 22:08:17,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431697377] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:08:17,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:17,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-06 22:08:17,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336193561] [2023-11-06 22:08:17,481 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:17,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:08:17,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:17,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:08:17,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:08:17,483 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:17,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:17,672 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:08:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:17,674 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Word has length 14 [2023-11-06 22:08:17,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:17,675 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:08:17,675 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:08:17,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:08:17,677 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:17,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:08:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:08:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:08:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:08:17,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-06 22:08:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:17,679 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:08:17,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:08:17,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:08:17,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:08:17,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-06 22:08:17,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:17,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:08:18,046 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:08:18,046 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-06 22:08:18,046 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-06 22:08:18,046 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-06 22:08:18,047 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:08:18,047 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 387) the Hoare annotation is: false [2023-11-06 22:08:18,047 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:08:18,047 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:08:18,047 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-06 22:08:18,048 INFO L895 garLoopResultBuilder]: At program point L117-2(lines 117 385) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv104 32) |ULTIMATE.start_main_~var_78~0#1|) (= (_ bv1023 16) |ULTIMATE.start_main_~mask_SORT_7~0#1|) (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_11~0#1|) (exists ((|ULTIMATE.start_main_~var_132_arg_1~0#1| (_ BitVec 8))) (= |ULTIMATE.start_main_~state_62~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_132_arg_1~0#1|))) (_ bv1 32))))) (= |ULTIMATE.start_main_~var_74~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~var_15~0#1| (_ bv0 32)) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 16) |ULTIMATE.start_main_~state_9~0#1|) (_ bv8 32))))))) (_ bv0 32)) (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|) (= (_ bv0 16) |ULTIMATE.start_main_~var_8~0#1|)) [2023-11-06 22:08:18,048 INFO L899 garLoopResultBuilder]: For program point L117-3(lines 117 385) no Hoare annotation was computed. [2023-11-06 22:08:18,051 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-06 22:08:18,054 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:08:18,067 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_132_arg_1~0#1 : bv8 :: ~state_62~0 == ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_132_arg_1~0#1)[7:0]), 1bv32)[7:0]) could not be translated [2023-11-06 22:08:18,069 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_132_arg_1~0#1 : bv8 :: ~state_62~0 == ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_132_arg_1~0#1)[7:0]), 1bv32)[7:0]) could not be translated [2023-11-06 22:08:18,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:08:18 BoogieIcfgContainer [2023-11-06 22:08:18,070 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:08:18,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:08:18,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:08:18,071 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:08:18,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:04" (3/4) ... [2023-11-06 22:08:18,074 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:08:18,087 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:08:18,089 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:08:18,090 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:08:18,091 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:08:18,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:08:18,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:08:18,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:08:18,221 INFO L158 Benchmark]: Toolchain (without parser) took 15836.44ms. Allocated memory was 117.4MB in the beginning and 299.9MB in the end (delta: 182.5MB). Free memory was 92.6MB in the beginning and 272.9MB in the end (delta: -180.4MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,221 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:08:18,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.2MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.42ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 69.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,222 INFO L158 Benchmark]: Boogie Preprocessor took 71.98ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 66.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,223 INFO L158 Benchmark]: RCFGBuilder took 919.92ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 61.9MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,223 INFO L158 Benchmark]: TraceAbstraction took 14049.69ms. Allocated memory was 117.4MB in the beginning and 299.9MB in the end (delta: 182.5MB). Free memory was 61.4MB in the beginning and 106.3MB in the end (delta: -44.9MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,224 INFO L158 Benchmark]: Witness Printer took 149.66ms. Allocated memory is still 299.9MB. Free memory was 106.3MB in the beginning and 272.9MB in the end (delta: -166.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-06 22:08:18,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.2MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.42ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 69.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.98ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 66.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 919.92ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 61.9MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14049.69ms. Allocated memory was 117.4MB in the beginning and 299.9MB in the end (delta: 182.5MB). Free memory was 61.4MB in the beginning and 106.3MB in the end (delta: -44.9MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. * Witness Printer took 149.66ms. Allocated memory is still 299.9MB. Free memory was 106.3MB in the beginning and 272.9MB in the end (delta: -166.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_132_arg_1~0#1 : bv8 :: ~state_62~0 == ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_132_arg_1~0#1)[7:0]), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_132_arg_1~0#1 : bv8 :: ~state_62~0 == ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_132_arg_1~0#1)[7:0]), 1bv32)[7:0]) 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: 21]: 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 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 14 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 48 HoareAnnotationTreeSize, 2 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 171 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 25 QuantifiedInterpolants, 9589 SizeOfPredicates, 154 NumberOfNonLiveVariables, 1384 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 8/48 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: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant [2023-11-06 22:08:18,249 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_132_arg_1~0#1 : bv8 :: ~state_62~0 == ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_132_arg_1~0#1)[7:0]), 1bv32)[7:0]) could not be translated [2023-11-06 22:08:18,250 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_132_arg_1~0#1 : bv8 :: ~state_62~0 == ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_132_arg_1~0#1)[7:0]), 1bv32)[7:0]) could not be translated Derived loop invariant: (((((((((1 == mask_SORT_1) && (104 == var_78)) && (1023 == mask_SORT_7)) && (3 == mask_SORT_11)) && (var_74 == 1)) && (var_15 == 0)) && (((3 & ((state_9 >> 8) & 127)) & 127) == 0)) && (1 == var_19)) && (0 == var_8)) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:08:18,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d80be82-76fe-4e5d-95c9-baab2511c836/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE