./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:35,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:35,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:06:36,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:36,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:36,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:36,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:36,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:36,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:36,053 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:36,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:36,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:36,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:36,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:36,056 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:36,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:36,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:36,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:36,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:36,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:36,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:36,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:36,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:36,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:36,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:36,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:36,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:36,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:36,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:36,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:36,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:36,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:36,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:36,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:36,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:36,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:36,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:36,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:36,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:36,071 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_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2023-11-21 22:06:36,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:36,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:36,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:36,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:36,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:36,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 22:06:39,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:40,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:40,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 22:06:40,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data/ba0562985/d691debc736841d2b0daf11c8652e95c/FLAG4174b4c6d [2023-11-21 22:06:40,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data/ba0562985/d691debc736841d2b0daf11c8652e95c [2023-11-21 22:06:40,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:40,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:40,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:40,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:40,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:40,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:40" (1/1) ... [2023-11-21 22:06:40,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0ebdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:40, skipping insertion in model container [2023-11-21 22:06:40,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:40" (1/1) ... [2023-11-21 22:06:40,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:40,484 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_63770247-5b70-4baa-86ac-3160659df322/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 22:06:40,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:40,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:40,877 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_63770247-5b70-4baa-86ac-3160659df322/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 22:06:41,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:41,060 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:41,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41 WrapperNode [2023-11-21 22:06:41,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:41,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:41,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:41,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:41,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,426 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2523 [2023-11-21 22:06:41,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:41,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:41,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:41,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:41,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,469 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,549 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:06:41,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:41,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:41,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:41,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:41,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (1/1) ... [2023-11-21 22:06:41,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:41,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:41,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:42,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:06:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:42,471 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:42,474 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:45,042 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:51,557 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:51,558 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:06:51,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:51 BoogieIcfgContainer [2023-11-21 22:06:51,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:51,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:51,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:51,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:51,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:40" (1/3) ... [2023-11-21 22:06:51,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6e12f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:51, skipping insertion in model container [2023-11-21 22:06:51,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:41" (2/3) ... [2023-11-21 22:06:51,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6e12f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:51, skipping insertion in model container [2023-11-21 22:06:51,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:51" (3/3) ... [2023-11-21 22:06:51,575 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 22:06:51,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:51,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:06:51,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:51,671 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63fd6fb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:51,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:06:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-11-21 22:06:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:06:51,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:51,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:06:51,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:51,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:51,690 INFO L85 PathProgramCache]: Analyzing trace with hash 74810605, now seen corresponding path program 1 times [2023-11-21 22:06:51,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:51,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128194394] [2023-11-21 22:06:51,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:51,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:52,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:53,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:53,366 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:06:53,367 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:06:53,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:06:53,375 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:06:53,380 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:06:53,429 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 22:06:53,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:06:53 BoogieIcfgContainer [2023-11-21 22:06:53,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:06:53,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:06:53,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:06:53,459 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:06:53,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:51" (3/4) ... [2023-11-21 22:06:53,464 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:06:53,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:06:53,467 INFO L158 Benchmark]: Toolchain (without parser) took 13326.91ms. Allocated memory was 159.4MB in the beginning and 767.6MB in the end (delta: 608.2MB). Free memory was 123.5MB in the beginning and 484.7MB in the end (delta: -361.2MB). Peak memory consumption was 246.6MB. Max. memory is 16.1GB. [2023-11-21 22:06:53,467 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:53,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.84ms. Allocated memory is still 159.4MB. Free memory was 123.5MB in the beginning and 77.3MB in the end (delta: 46.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:53,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 363.27ms. Allocated memory is still 159.4MB. Free memory was 77.3MB in the beginning and 75.3MB in the end (delta: 2.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-21 22:06:53,475 INFO L158 Benchmark]: Boogie Preprocessor took 418.15ms. Allocated memory is still 159.4MB. Free memory was 75.3MB in the beginning and 91.9MB in the end (delta: -16.6MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-21 22:06:53,477 INFO L158 Benchmark]: RCFGBuilder took 9713.83ms. Allocated memory was 159.4MB in the beginning and 767.6MB in the end (delta: 608.2MB). Free memory was 91.9MB in the beginning and 621.1MB in the end (delta: -529.2MB). Peak memory consumption was 497.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:53,478 INFO L158 Benchmark]: TraceAbstraction took 1892.66ms. Allocated memory is still 767.6MB. Free memory was 621.1MB in the beginning and 484.8MB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:53,478 INFO L158 Benchmark]: Witness Printer took 6.90ms. Allocated memory is still 767.6MB. Free memory was 484.8MB in the beginning and 484.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:53,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.84ms. Allocated memory is still 159.4MB. Free memory was 123.5MB in the beginning and 77.3MB in the end (delta: 46.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 363.27ms. Allocated memory is still 159.4MB. Free memory was 77.3MB in the beginning and 75.3MB in the end (delta: 2.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 418.15ms. Allocated memory is still 159.4MB. Free memory was 75.3MB in the beginning and 91.9MB in the end (delta: -16.6MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9713.83ms. Allocated memory was 159.4MB in the beginning and 767.6MB in the end (delta: 608.2MB). Free memory was 91.9MB in the beginning and 621.1MB in the end (delta: -529.2MB). Peak memory consumption was 497.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1892.66ms. Allocated memory is still 767.6MB. Free memory was 621.1MB in the beginning and 484.8MB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * Witness Printer took 6.90ms. Allocated memory is still 767.6MB. Free memory was 484.8MB in the beginning and 484.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 bitwiseOr at line 152, overapproximation of bitwiseAnd at line 159. 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 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L39] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L41] const SORT_108 mask_SORT_108 = (SORT_108)-1 >> (sizeof(SORT_108) * 8 - 4); [L42] const SORT_108 msb_SORT_108 = (SORT_108)1 << (4 - 1); [L44] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L45] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_3 var_15 = 0; [L49] const SORT_1 var_41 = 1; [L50] const SORT_1 var_51 = 0; [L51] const SORT_5 var_54 = 0; [L52] const SORT_7 var_68 = 2; [L53] const SORT_7 var_72 = 1; [L54] const SORT_7 var_77 = 4; [L55] const SORT_7 var_79 = 5; [L56] const SORT_7 var_83 = 3; [L57] const SORT_3 var_95 = 2; [L58] const SORT_7 var_125 = 7; [L59] const SORT_7 var_130 = 6; [L60] const SORT_165 var_167 = 0; [L61] const SORT_3 var_197 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_186; [L67] SORT_3 input_187; [L68] SORT_3 input_188; [L69] SORT_3 input_196; [L70] SORT_3 input_206; [L71] SORT_3 input_207; [L72] SORT_3 input_208; [L73] SORT_3 input_211; [L74] SORT_3 input_230; [L75] SORT_3 input_231; [L76] SORT_3 input_232; [L77] SORT_3 input_235; [L78] SORT_3 input_237; [L79] SORT_26 input_251; [L80] SORT_26 input_252; [L81] SORT_26 input_253; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L84] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L90] SORT_5 state_55 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_3 init_17_arg_1 = var_15; [L100] state_16 = init_17_arg_1 [L101] SORT_3 init_20_arg_1 = var_15; [L102] state_19 = init_20_arg_1 [L103] SORT_3 init_46_arg_1 = var_15; [L104] state_45 = init_46_arg_1 [L105] SORT_3 init_48_arg_1 = var_15; [L106] state_47 = init_48_arg_1 [L107] SORT_3 init_50_arg_1 = var_15; [L108] state_49 = init_50_arg_1 [L109] SORT_1 init_53_arg_1 = var_51; [L110] state_52 = init_53_arg_1 [L111] SORT_5 init_56_arg_1 = var_54; [L112] state_55 = init_56_arg_1 [L113] SORT_3 init_58_arg_1 = var_15; [L114] state_57 = init_58_arg_1 [L115] SORT_3 init_60_arg_1 = var_15; [L116] state_59 = init_60_arg_1 [L117] SORT_3 init_62_arg_1 = var_15; [L118] state_61 = init_62_arg_1 [L119] SORT_3 init_64_arg_1 = var_15; [L120] state_63 = init_64_arg_1 [L121] SORT_3 init_66_arg_1 = var_15; [L122] state_65 = init_66_arg_1 VAL [init_10_arg_1=0, init_17_arg_1=0, init_20_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_53_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, mask_SORT_108=15, mask_SORT_165=4294967295, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_108=8, msb_SORT_165=2147483648, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_16=0, state_19=0, state_45=0, state_47=0, state_49=0, state_52=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_9=0, var_125=7, var_130=6, var_15=0, var_167=0, var_197=31, var_41=1, var_51=0, var_54=0, var_68=2, var_72=1, var_77=4, var_79=5, var_83=3, var_8=0, var_95=2] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_186 = __VERIFIER_nondet_uchar() [L129] input_187 = __VERIFIER_nondet_uchar() [L130] input_188 = __VERIFIER_nondet_uchar() [L131] input_196 = __VERIFIER_nondet_uchar() [L132] input_206 = __VERIFIER_nondet_uchar() [L133] input_207 = __VERIFIER_nondet_uchar() [L134] input_208 = __VERIFIER_nondet_uchar() [L135] input_211 = __VERIFIER_nondet_uchar() [L136] input_230 = __VERIFIER_nondet_uchar() [L137] input_231 = __VERIFIER_nondet_uchar() [L138] input_232 = __VERIFIER_nondet_uchar() [L139] input_235 = __VERIFIER_nondet_uchar() [L140] input_237 = __VERIFIER_nondet_uchar() [L141] input_251 = __VERIFIER_nondet_uchar() [L142] input_252 = __VERIFIER_nondet_uchar() [L143] input_253 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 0; [L148] SORT_7 var_12_arg_0 = state_9; [L149] SORT_1 var_12 = var_12_arg_0 >> 1; [L150] SORT_1 var_13_arg_0 = var_11; [L151] SORT_1 var_13_arg_1 = var_12; [L152] EXPR var_13_arg_0 | var_13_arg_1 [L152] SORT_1 var_13 = var_13_arg_0 | var_13_arg_1; [L153] SORT_1 var_14_arg_0 = var_13; [L154] SORT_1 var_14 = ~var_14_arg_0; [L155] SORT_3 var_18_arg_0 = state_16; [L156] SORT_1 var_18 = var_18_arg_0 >> 1; [L157] SORT_3 var_21_arg_0 = state_19; [L158] SORT_7 var_21 = var_21_arg_0 >> 2; [L159] EXPR var_21 & mask_SORT_7 [L159] var_21 = var_21 & mask_SORT_7 [L160] SORT_3 var_22_arg_0 = state_16; [L161] SORT_7 var_22 = var_22_arg_0 >> 2; [L162] EXPR var_22 & mask_SORT_7 [L162] var_22 = var_22 & mask_SORT_7 [L163] SORT_7 var_23_arg_0 = var_21; [L164] SORT_7 var_23_arg_1 = var_22; [L165] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L166] SORT_1 var_24_arg_0 = var_18; [L167] SORT_1 var_24_arg_1 = var_23; [L168] EXPR var_24_arg_0 | var_24_arg_1 [L168] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L169] SORT_3 var_25_arg_0 = state_16; [L170] SORT_1 var_25 = var_25_arg_0 >> 2; [L171] SORT_3 var_27_arg_0 = state_19; [L172] SORT_26 var_27 = var_27_arg_0 >> 3; [L173] EXPR var_27 & mask_SORT_26 [L173] var_27 = var_27 & mask_SORT_26 [L174] SORT_3 var_28_arg_0 = state_16; [L175] SORT_26 var_28 = var_28_arg_0 >> 3; [L176] EXPR var_28 & mask_SORT_26 [L176] var_28 = var_28 & mask_SORT_26 [L177] SORT_26 var_29_arg_0 = var_27; [L178] SORT_26 var_29_arg_1 = var_28; [L179] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L180] SORT_1 var_30_arg_0 = var_25; [L181] SORT_1 var_30_arg_1 = var_29; [L182] EXPR var_30_arg_0 | var_30_arg_1 [L182] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L183] SORT_1 var_31_arg_0 = var_24; [L184] SORT_1 var_31_arg_1 = var_30; [L185] EXPR var_31_arg_0 & var_31_arg_1 [L185] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L186] SORT_3 var_32_arg_0 = state_16; [L187] SORT_1 var_32 = var_32_arg_0 >> 3; [L188] SORT_3 var_33_arg_0 = state_19; [L189] SORT_1 var_33 = var_33_arg_0 >> 4; [L190] EXPR var_33 & mask_SORT_1 [L190] var_33 = var_33 & mask_SORT_1 [L191] SORT_3 var_34_arg_0 = state_16; [L192] SORT_1 var_34 = var_34_arg_0 >> 4; [L193] EXPR var_34 & mask_SORT_1 [L193] var_34 = var_34 & mask_SORT_1 [L194] SORT_1 var_35_arg_0 = var_33; [L195] SORT_1 var_35_arg_1 = var_34; [L196] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L197] SORT_1 var_36_arg_0 = var_32; [L198] SORT_1 var_36_arg_1 = var_35; [L199] EXPR var_36_arg_0 | var_36_arg_1 [L199] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L200] SORT_1 var_37_arg_0 = var_31; [L201] SORT_1 var_37_arg_1 = var_36; [L202] EXPR var_37_arg_0 & var_37_arg_1 [L202] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L203] SORT_1 var_38_arg_0 = var_14; [L204] SORT_1 var_38_arg_1 = var_37; [L205] EXPR var_38_arg_0 | var_38_arg_1 [L205] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L206] SORT_1 var_42_arg_0 = var_38; [L207] SORT_1 var_42 = ~var_42_arg_0; [L208] SORT_1 var_43_arg_0 = var_41; [L209] SORT_1 var_43_arg_1 = var_42; [L210] EXPR var_43_arg_0 & var_43_arg_1 [L210] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L211] EXPR var_43 & mask_SORT_1 [L211] var_43 = var_43 & mask_SORT_1 [L212] SORT_1 bad_44_arg_0 = var_43; [L213] CALL __VERIFIER_assert(!(bad_44_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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-11-21 22:06:53,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:56,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:56,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-21 22:06:56,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:56,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:56,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:56,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:56,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:56,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:56,595 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:56,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:56,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:56,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:56,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:56,600 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:56,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:56,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:56,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:56,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:56,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:56,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:56,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:06:56,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:06:56,607 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:06:56,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:56,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:56,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:56,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:56,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:56,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:56,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:56,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:56,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:56,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:56,615 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:06:56,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:06:56,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:56,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:56,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:56,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:56,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:56,619 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:06:56,619 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_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2023-11-21 22:06:57,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:57,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:57,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:57,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:57,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:57,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 22:07:00,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:00,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:00,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 22:07:00,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data/3bd41561d/9eeecf459b2d446d96bd975d80183591/FLAG6313b1270 [2023-11-21 22:07:00,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/data/3bd41561d/9eeecf459b2d446d96bd975d80183591 [2023-11-21 22:07:00,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:00,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:00,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:00,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:00,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:00,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:00" (1/1) ... [2023-11-21 22:07:00,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150fec88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:00, skipping insertion in model container [2023-11-21 22:07:00,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:00" (1/1) ... [2023-11-21 22:07:00,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:01,177 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_63770247-5b70-4baa-86ac-3160659df322/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 22:07:01,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:01,506 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:01,521 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_63770247-5b70-4baa-86ac-3160659df322/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 22:07:01,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:01,738 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:01,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01 WrapperNode [2023-11-21 22:07:01,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:01,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:01,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:01,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:01,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:01,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:01,926 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1119 [2023-11-21 22:07:01,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:01,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:01,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:01,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:01,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:01,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,025 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,066 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:07:02,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:02,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:02,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:02,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:02,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (1/1) ... [2023-11-21 22:07:02,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:02,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:02,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:07:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:02,635 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:02,638 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:04,393 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:04,505 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:04,507 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:07:04,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:04 BoogieIcfgContainer [2023-11-21 22:07:04,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:04,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:04,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:04,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:04,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:00" (1/3) ... [2023-11-21 22:07:04,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e91ec1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:04, skipping insertion in model container [2023-11-21 22:07:04,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:01" (2/3) ... [2023-11-21 22:07:04,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e91ec1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:04, skipping insertion in model container [2023-11-21 22:07:04,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:04" (3/3) ... [2023-11-21 22:07:04,522 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 22:07:04,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:04,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:07:04,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:04,621 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@317e8af2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:04,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:07:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-11-21 22:07:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:07:04,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:04,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:07:04,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:04,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:04,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-21 22:07:04,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:04,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62607694] [2023-11-21 22:07:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:04,661 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 [2023-11-21 22:07:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:04,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:07:04,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:05,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 22:07:05,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:05,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:07:05,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:07:05,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62607694] [2023-11-21 22:07:05,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62607694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:05,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:05,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:07:05,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686712005] [2023-11-21 22:07:05,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:05,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:07:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:07:05,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:07:05,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:07:05,847 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-21 22:07:06,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:06,129 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-21 22:07:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:07:06,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-21 22:07:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:06,140 INFO L225 Difference]: With dead ends: 15 [2023-11-21 22:07:06,140 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 22:07:06,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:07:06,147 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:06,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:07:06,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 22:07:06,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-21 22:07:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-11-21 22:07:06,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-21 22:07:06,179 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-21 22:07:06,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:06,180 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-21 22:07:06,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-21 22:07:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-21 22:07:06,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:07:06,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:06,181 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-21 22:07:06,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:06,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:06,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:06,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:06,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-21 22:07:06,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:06,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220561377] [2023-11-21 22:07:06,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:06,394 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 [2023-11-21 22:07:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:06,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:07:06,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:08,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-21 22:07:08,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:09,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:07:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:20,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:07:20,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220561377] [2023-11-21 22:07:20,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220561377] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:07:20,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:07:20,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-21 22:07:20,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087978622] [2023-11-21 22:07:20,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:07:20,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:07:20,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:07:20,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:07:20,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2023-11-21 22:07:20,521 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2023-11-21 22:07:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:21,631 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-21 22:07:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:07:21,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) Word has length 7 [2023-11-21 22:07:21,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:21,632 INFO L225 Difference]: With dead ends: 14 [2023-11-21 22:07:21,632 INFO L226 Difference]: Without dead ends: 12 [2023-11-21 22:07:21,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=35, Invalid=74, Unknown=1, NotChecked=0, Total=110 [2023-11-21 22:07:21,634 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:21,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 9 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 22:07:21,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-21 22:07:21,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-21 22:07:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-21 22:07:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-21 22:07:21,641 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-21 22:07:21,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:21,641 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-21 22:07:21,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2023-11-21 22:07:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-21 22:07:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 22:07:21,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:21,642 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-21 22:07:21,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:21,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:21,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:21,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-21 22:07:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953449353] [2023-11-21 22:07:21,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:07:21,856 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 [2023-11-21 22:07:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:21,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:07:21,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63770247-5b70-4baa-86ac-3160659df322/bin/uautomizer-verify-bycVGegfSx/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