./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:41,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:41,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:32:41,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:41,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:41,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:41,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:41,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:41,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:41,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:41,915 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:41,915 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:41,916 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:41,917 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:41,917 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:41,918 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:41,919 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:41,919 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:41,920 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:41,921 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:41,921 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:41,922 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:41,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:41,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:41,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:41,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:41,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:41,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:41,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:41,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:41,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:41,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:41,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:41,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:41,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:41,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:41,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:41,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:41,930 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:41,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:41,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:41,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:41,931 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:41,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:41,932 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d [2023-11-23 20:32:42,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:42,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:42,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:42,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:42,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:42,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c [2023-11-23 20:32:45,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:45,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:45,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c [2023-11-23 20:32:45,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data/32afaeeb1/b7b86970b82147ebb80e2b21795da882/FLAG8095ffab9 [2023-11-23 20:32:45,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data/32afaeeb1/b7b86970b82147ebb80e2b21795da882 [2023-11-23 20:32:45,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:45,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:45,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:45,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:45,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:45,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab3241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45, skipping insertion in model container [2023-11-23 20:32:45,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:46,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:46,348 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2023-11-23 20:32:46,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:46,959 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:46,970 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2023-11-23 20:32:47,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:47,378 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:47,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47 WrapperNode [2023-11-23 20:32:47,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:47,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:47,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:47,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:47,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:47,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,101 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5210 [2023-11-23 20:32:48,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:48,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:48,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:48,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:48,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:48,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:48,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:48,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:48,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (1/1) ... [2023-11-23 20:32:48,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:48,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:48,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:48,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:49,621 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:49,628 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:53,214 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:01,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:01,792 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:01,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:01 BoogieIcfgContainer [2023-11-23 20:33:01,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:01,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:01,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:01,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:01,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:45" (1/3) ... [2023-11-23 20:33:01,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b27e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:01, skipping insertion in model container [2023-11-23 20:33:01,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:47" (2/3) ... [2023-11-23 20:33:01,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b27e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:01, skipping insertion in model container [2023-11-23 20:33:01,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:01" (3/3) ... [2023-11-23 20:33:01,803 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Heap.c [2023-11-23 20:33:01,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:01,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:01,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:01,890 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=FINITE_AUTOMATA, 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;@4cf7943e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:01,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:01,896 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) [2023-11-23 20:33:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:33:01,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:01,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 20:33:01,904 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:01,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:01,912 INFO L85 PathProgramCache]: Analyzing trace with hash 110454483, now seen corresponding path program 1 times [2023-11-23 20:33:01,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:01,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015600617] [2023-11-23 20:33:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:01,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:02,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:02,953 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:33:02,955 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:02,957 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:02,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:33:02,964 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:33:02,968 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:03,020 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:33:03,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:03 BoogieIcfgContainer [2023-11-23 20:33:03,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:03,055 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:03,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:03,055 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:03,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:01" (3/4) ... [2023-11-23 20:33:03,059 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:33:03,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:03,062 INFO L158 Benchmark]: Toolchain (without parser) took 17078.45ms. Allocated memory was 195.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 162.5MB in the beginning and 1.2GB in the end (delta: -998.6MB). Peak memory consumption was 437.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:03,063 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 134.2MB. Free memory was 106.7MB in the beginning and 106.6MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:03,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1394.63ms. Allocated memory is still 195.0MB. Free memory was 161.5MB in the beginning and 123.0MB in the end (delta: 38.4MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:03,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 722.27ms. Allocated memory was 195.0MB in the beginning and 281.0MB in the end (delta: 86.0MB). Free memory was 123.0MB in the beginning and 154.5MB in the end (delta: -31.4MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:03,072 INFO L158 Benchmark]: Boogie Preprocessor took 700.16ms. Allocated memory is still 281.0MB. Free memory was 154.5MB in the beginning and 146.6MB in the end (delta: 7.8MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-23 20:33:03,074 INFO L158 Benchmark]: RCFGBuilder took 12988.52ms. Allocated memory was 281.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 146.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 576.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:03,075 INFO L158 Benchmark]: TraceAbstraction took 1256.73ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-11-23 20:33:03,075 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 1.6GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:03,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 134.2MB. Free memory was 106.7MB in the beginning and 106.6MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1394.63ms. Allocated memory is still 195.0MB. Free memory was 161.5MB in the beginning and 123.0MB in the end (delta: 38.4MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 722.27ms. Allocated memory was 195.0MB in the beginning and 281.0MB in the end (delta: 86.0MB). Free memory was 123.0MB in the beginning and 154.5MB in the end (delta: -31.4MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 700.16ms. Allocated memory is still 281.0MB. Free memory was 154.5MB in the beginning and 146.6MB in the end (delta: 7.8MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12988.52ms. Allocated memory was 281.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 146.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 576.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1256.73ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 1.6GB. Free memory is still 1.2GB. 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 350, overapproximation of bitwiseAnd at line 212. 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 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L35] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 3); [L36] const SORT_13 msb_SORT_13 = (SORT_13)1 << (3 - 1); [L38] const SORT_55 mask_SORT_55 = (SORT_55)-1 >> (sizeof(SORT_55) * 8 - 29); [L39] const SORT_55 msb_SORT_55 = (SORT_55)1 << (29 - 1); [L41] const SORT_1 var_6 = 0; [L42] const SORT_9 var_11 = 0; [L43] const SORT_13 var_14 = 0; [L44] const SORT_1 var_27 = 1; [L45] const SORT_9 var_35 = 4; [L46] const SORT_3 var_38 = 0; [L47] const SORT_55 var_56 = 0; [L48] const SORT_9 var_60 = 1; [L49] const SORT_3 var_82 = 2; [L50] const SORT_3 var_87 = 3; [L51] const SORT_13 var_93 = 1; [L52] const SORT_13 var_96 = 3; [L53] const SORT_13 var_99 = 2; [L54] const SORT_13 var_103 = 5; [L55] const SORT_3 var_109 = 1; [L56] const SORT_13 var_117 = 7; [L57] const SORT_13 var_126 = 6; [L58] const SORT_13 var_130 = 4; [L60] SORT_1 input_2; [L61] SORT_3 input_4; [L62] SORT_3 input_5; [L63] SORT_1 input_81; [L64] SORT_1 input_106; [L65] SORT_3 input_107; [L66] SORT_13 input_137; [L67] SORT_13 input_138; [L68] SORT_13 input_139; [L69] SORT_13 input_150; [L70] SORT_13 input_151; [L71] SORT_3 input_191; [L72] SORT_3 input_192; [L73] SORT_3 input_193; [L74] SORT_3 input_199; [L75] SORT_3 input_200; [L76] SORT_3 input_201; [L77] SORT_3 input_202; [L78] SORT_3 input_203; [L79] SORT_3 input_251; [L80] SORT_3 input_263; [L81] SORT_3 input_281; [L82] SORT_3 input_282; [L83] SORT_3 input_290; [L84] SORT_3 input_316; [L85] SORT_3 input_341; [L86] SORT_3 input_342; [L87] SORT_3 input_343; [L88] SORT_3 input_360; [L89] SORT_3 input_361; [L90] SORT_3 input_369; [L91] SORT_3 input_377; [L92] SORT_3 input_378; [L93] SORT_3 input_397; [L94] SORT_3 input_398; [L95] SORT_3 input_399; [L96] SORT_3 input_407; [L97] SORT_3 input_414; [L98] SORT_3 input_425; [L99] SORT_3 input_426; [L100] SORT_3 input_435; [L101] SORT_3 input_440; [L102] SORT_3 input_444; [L103] SORT_3 input_445; [L104] SORT_3 input_474; [L105] SORT_3 input_475; [L106] SORT_3 input_483; [L107] SORT_3 input_487; [L108] SORT_3 input_488; [L109] SORT_3 input_507; [L110] SORT_3 input_508; [L111] SORT_3 input_509; [L112] SORT_3 input_517; [L113] SORT_3 input_519; [L114] SORT_3 input_523; [L115] SORT_3 input_524; [L116] SORT_3 input_533; [L117] SORT_3 input_538; [L118] SORT_3 input_542; [L119] SORT_3 input_543; [L120] SORT_3 input_572; [L121] SORT_3 input_573; [L122] SORT_3 input_581; [L123] SORT_3 input_585; [L124] SORT_3 input_586; [L125] SORT_3 input_605; [L126] SORT_3 input_606; [L127] SORT_3 input_607; [L128] SORT_3 input_615; [L129] SORT_3 input_617; [L130] SORT_3 input_621; [L131] SORT_3 input_622; [L132] SORT_3 input_631; [L133] SORT_3 input_636; [L134] SORT_3 input_640; [L135] SORT_3 input_641; [L136] SORT_3 input_670; [L137] SORT_3 input_671; [L138] SORT_3 input_679; [L139] SORT_3 input_683; [L140] SORT_3 input_684; [L141] SORT_3 input_703; [L142] SORT_3 input_704; [L143] SORT_3 input_705; [L144] SORT_3 input_713; [L145] SORT_3 input_715; [L146] SORT_3 input_719; [L147] SORT_3 input_720; [L148] SORT_3 input_729; [L149] SORT_3 input_734; [L150] SORT_3 input_738; [L151] SORT_3 input_739; [L152] SORT_13 input_766; [L153] SORT_13 input_767; [L154] SORT_13 input_768; [L155] SORT_13 input_774; [L156] SORT_13 input_775; [L157] SORT_13 input_792; [L158] SORT_13 input_803; [L159] SORT_13 input_804; [L160] SORT_13 input_806; [L161] SORT_13 input_815; [L162] SORT_13 input_833; [L163] SORT_13 input_834; [L164] SORT_13 input_835; [L165] SORT_13 input_841; [L166] SORT_13 input_842; [L167] SORT_13 input_859; [L168] SORT_13 input_868; [L169] SORT_13 input_869; [L170] SORT_13 input_871; [L171] SORT_13 input_880; [L172] SORT_13 input_884; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L174] SORT_1 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_13 [L175] SORT_13 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L176] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L177] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L178] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L179] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L180] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L181] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L182] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_13 [L183] SORT_13 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_13 [L184] SORT_13 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L186] SORT_1 init_8_arg_1 = var_6; [L187] state_7 = init_8_arg_1 [L188] SORT_13 init_16_arg_1 = var_14; [L189] state_15 = init_16_arg_1 [L190] SORT_3 init_40_arg_1 = var_38; [L191] state_39 = init_40_arg_1 [L192] SORT_3 init_42_arg_1 = var_38; [L193] state_41 = init_42_arg_1 [L194] SORT_3 init_44_arg_1 = var_38; [L195] state_43 = init_44_arg_1 [L196] SORT_3 init_46_arg_1 = var_38; [L197] state_45 = init_46_arg_1 [L198] SORT_3 init_48_arg_1 = var_38; [L199] state_47 = init_48_arg_1 [L200] SORT_3 init_50_arg_1 = var_38; [L201] state_49 = init_50_arg_1 [L202] SORT_3 init_52_arg_1 = var_38; [L203] state_51 = init_52_arg_1 [L204] SORT_13 init_54_arg_1 = var_14; [L205] state_53 = init_54_arg_1 [L206] SORT_13 init_76_arg_1 = var_14; [L207] state_75 = init_76_arg_1 VAL [init_16_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_76_arg_1=0, init_8_arg_1=0, mask_SORT_13=7, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_55=536870911, mask_SORT_9=4294967295, msb_SORT_13=4, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_55=268435456, msb_SORT_9=2147483648, state_15=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_75=0, state_7=0, var_103=5, var_109=1, var_117=7, var_11=0, var_126=6, var_130=4, var_14=0, var_27=1, var_35=4, var_38=0, var_56=0, var_60=1, var_6=0, var_82=2, var_87=3, var_93=1, var_96=3, var_99=2] [L210] input_2 = __VERIFIER_nondet_uchar() [L211] input_4 = __VERIFIER_nondet_uchar() [L212] EXPR input_4 & mask_SORT_3 [L212] input_4 = input_4 & mask_SORT_3 [L213] input_5 = __VERIFIER_nondet_uchar() [L214] input_81 = __VERIFIER_nondet_uchar() [L215] input_106 = __VERIFIER_nondet_uchar() [L216] input_107 = __VERIFIER_nondet_uchar() [L217] input_137 = __VERIFIER_nondet_uchar() [L218] input_138 = __VERIFIER_nondet_uchar() [L219] input_139 = __VERIFIER_nondet_uchar() [L220] input_150 = __VERIFIER_nondet_uchar() [L221] input_151 = __VERIFIER_nondet_uchar() [L222] input_191 = __VERIFIER_nondet_uchar() [L223] input_192 = __VERIFIER_nondet_uchar() [L224] input_193 = __VERIFIER_nondet_uchar() [L225] input_199 = __VERIFIER_nondet_uchar() [L226] input_200 = __VERIFIER_nondet_uchar() [L227] input_201 = __VERIFIER_nondet_uchar() [L228] input_202 = __VERIFIER_nondet_uchar() [L229] input_203 = __VERIFIER_nondet_uchar() [L230] input_251 = __VERIFIER_nondet_uchar() [L231] input_263 = __VERIFIER_nondet_uchar() [L232] input_281 = __VERIFIER_nondet_uchar() [L233] input_282 = __VERIFIER_nondet_uchar() [L234] input_290 = __VERIFIER_nondet_uchar() [L235] input_316 = __VERIFIER_nondet_uchar() [L236] input_341 = __VERIFIER_nondet_uchar() [L237] input_342 = __VERIFIER_nondet_uchar() [L238] input_343 = __VERIFIER_nondet_uchar() [L239] input_360 = __VERIFIER_nondet_uchar() [L240] input_361 = __VERIFIER_nondet_uchar() [L241] input_369 = __VERIFIER_nondet_uchar() [L242] input_377 = __VERIFIER_nondet_uchar() [L243] input_378 = __VERIFIER_nondet_uchar() [L244] input_397 = __VERIFIER_nondet_uchar() [L245] input_398 = __VERIFIER_nondet_uchar() [L246] input_399 = __VERIFIER_nondet_uchar() [L247] input_407 = __VERIFIER_nondet_uchar() [L248] input_414 = __VERIFIER_nondet_uchar() [L249] input_425 = __VERIFIER_nondet_uchar() [L250] input_426 = __VERIFIER_nondet_uchar() [L251] input_435 = __VERIFIER_nondet_uchar() [L252] input_440 = __VERIFIER_nondet_uchar() [L253] input_444 = __VERIFIER_nondet_uchar() [L254] input_445 = __VERIFIER_nondet_uchar() [L255] input_474 = __VERIFIER_nondet_uchar() [L256] input_475 = __VERIFIER_nondet_uchar() [L257] input_483 = __VERIFIER_nondet_uchar() [L258] input_487 = __VERIFIER_nondet_uchar() [L259] input_488 = __VERIFIER_nondet_uchar() [L260] input_507 = __VERIFIER_nondet_uchar() [L261] input_508 = __VERIFIER_nondet_uchar() [L262] input_509 = __VERIFIER_nondet_uchar() [L263] input_517 = __VERIFIER_nondet_uchar() [L264] input_519 = __VERIFIER_nondet_uchar() [L265] input_523 = __VERIFIER_nondet_uchar() [L266] input_524 = __VERIFIER_nondet_uchar() [L267] input_533 = __VERIFIER_nondet_uchar() [L268] input_538 = __VERIFIER_nondet_uchar() [L269] input_542 = __VERIFIER_nondet_uchar() [L270] input_543 = __VERIFIER_nondet_uchar() [L271] input_572 = __VERIFIER_nondet_uchar() [L272] input_573 = __VERIFIER_nondet_uchar() [L273] input_581 = __VERIFIER_nondet_uchar() [L274] input_585 = __VERIFIER_nondet_uchar() [L275] input_586 = __VERIFIER_nondet_uchar() [L276] input_605 = __VERIFIER_nondet_uchar() [L277] input_606 = __VERIFIER_nondet_uchar() [L278] input_607 = __VERIFIER_nondet_uchar() [L279] input_615 = __VERIFIER_nondet_uchar() [L280] input_617 = __VERIFIER_nondet_uchar() [L281] input_621 = __VERIFIER_nondet_uchar() [L282] input_622 = __VERIFIER_nondet_uchar() [L283] input_631 = __VERIFIER_nondet_uchar() [L284] input_636 = __VERIFIER_nondet_uchar() [L285] input_640 = __VERIFIER_nondet_uchar() [L286] input_641 = __VERIFIER_nondet_uchar() [L287] input_670 = __VERIFIER_nondet_uchar() [L288] input_671 = __VERIFIER_nondet_uchar() [L289] input_679 = __VERIFIER_nondet_uchar() [L290] input_683 = __VERIFIER_nondet_uchar() [L291] input_684 = __VERIFIER_nondet_uchar() [L292] input_703 = __VERIFIER_nondet_uchar() [L293] input_704 = __VERIFIER_nondet_uchar() [L294] input_705 = __VERIFIER_nondet_uchar() [L295] input_713 = __VERIFIER_nondet_uchar() [L296] input_715 = __VERIFIER_nondet_uchar() [L297] input_719 = __VERIFIER_nondet_uchar() [L298] input_720 = __VERIFIER_nondet_uchar() [L299] input_729 = __VERIFIER_nondet_uchar() [L300] input_734 = __VERIFIER_nondet_uchar() [L301] input_738 = __VERIFIER_nondet_uchar() [L302] input_739 = __VERIFIER_nondet_uchar() [L303] input_766 = __VERIFIER_nondet_uchar() [L304] input_767 = __VERIFIER_nondet_uchar() [L305] input_768 = __VERIFIER_nondet_uchar() [L306] input_774 = __VERIFIER_nondet_uchar() [L307] input_775 = __VERIFIER_nondet_uchar() [L308] input_792 = __VERIFIER_nondet_uchar() [L309] input_803 = __VERIFIER_nondet_uchar() [L310] input_804 = __VERIFIER_nondet_uchar() [L311] input_806 = __VERIFIER_nondet_uchar() [L312] input_815 = __VERIFIER_nondet_uchar() [L313] input_833 = __VERIFIER_nondet_uchar() [L314] input_834 = __VERIFIER_nondet_uchar() [L315] input_835 = __VERIFIER_nondet_uchar() [L316] input_841 = __VERIFIER_nondet_uchar() [L317] input_842 = __VERIFIER_nondet_uchar() [L318] input_859 = __VERIFIER_nondet_uchar() [L319] input_868 = __VERIFIER_nondet_uchar() [L320] input_869 = __VERIFIER_nondet_uchar() [L321] input_871 = __VERIFIER_nondet_uchar() [L322] input_880 = __VERIFIER_nondet_uchar() [L323] input_884 = __VERIFIER_nondet_uchar() [L326] SORT_1 var_10_arg_0 = state_7; [L327] EXPR var_10_arg_0 & mask_SORT_1 [L327] var_10_arg_0 = var_10_arg_0 & mask_SORT_1 [L328] SORT_9 var_10 = var_10_arg_0; [L329] SORT_9 var_12_arg_0 = var_10; [L330] SORT_9 var_12_arg_1 = var_11; [L331] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L332] SORT_13 var_17_arg_0 = state_15; [L333] SORT_1 var_17 = var_17_arg_0 >> 2; [L334] SORT_1 var_18_arg_0 = var_17; [L335] EXPR var_18_arg_0 & mask_SORT_1 [L335] var_18_arg_0 = var_18_arg_0 & mask_SORT_1 [L336] SORT_9 var_18 = var_18_arg_0; [L337] SORT_9 var_19_arg_0 = var_18; [L338] SORT_9 var_19_arg_1 = var_11; [L339] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L340] SORT_13 var_20_arg_0 = state_15; [L341] SORT_3 var_20 = var_20_arg_0 >> 0; [L342] SORT_3 var_21_arg_0 = var_20; [L343] EXPR var_21_arg_0 & mask_SORT_3 [L343] var_21_arg_0 = var_21_arg_0 & mask_SORT_3 [L344] SORT_9 var_21 = var_21_arg_0; [L345] SORT_9 var_22_arg_0 = var_21; [L346] SORT_9 var_22_arg_1 = var_11; [L347] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L348] SORT_1 var_23_arg_0 = var_19; [L349] SORT_1 var_23_arg_1 = var_22; [L350] EXPR var_23_arg_0 | var_23_arg_1 [L350] SORT_1 var_23 = var_23_arg_0 | var_23_arg_1; [L351] SORT_1 var_24_arg_0 = var_12; [L352] SORT_1 var_24_arg_1 = var_23; [L353] EXPR var_24_arg_0 & var_24_arg_1 [L353] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L354] SORT_1 var_28_arg_0 = var_24; [L355] SORT_1 var_28 = ~var_28_arg_0; [L356] SORT_1 var_29_arg_0 = var_27; [L357] SORT_1 var_29_arg_1 = var_28; [L358] EXPR var_29_arg_0 & var_29_arg_1 [L358] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L359] EXPR var_29 & mask_SORT_1 [L359] var_29 = var_29 & mask_SORT_1 [L360] SORT_1 bad_30_arg_0 = var_29; [L361] CALL __VERIFIER_assert(!(bad_30_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: 1.1s, 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, 0.4s 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 [2023-11-23 20:33:03,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:05,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:06,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 20:33:06,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:06,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:06,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:06,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:06,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:06,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:06,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:06,177 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:06,178 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:06,178 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:06,180 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:06,180 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:06,181 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:06,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:06,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:06,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:06,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:06,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:06,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:06,185 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:33:06,185 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:33:06,186 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:33:06,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:06,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:06,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:06,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:33:06,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:06,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:06,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:06,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:06,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:06,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:06,190 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:33:06,190 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:06,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:06,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:06,192 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:06,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:06,192 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60dab3e2339bce2b045dd3b78258045145cb10b71bd20a1415e48f1177a4dd2d [2023-11-23 20:33:06,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:06,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:06,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:06,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:06,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:06,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c [2023-11-23 20:33:10,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:10,520 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:10,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c [2023-11-23 20:33:10,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data/97f60a20e/40ac9057abe644d2b83edb00d1813467/FLAGb0190383c [2023-11-23 20:33:10,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/data/97f60a20e/40ac9057abe644d2b83edb00d1813467 [2023-11-23 20:33:10,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:10,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:10,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:10,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:10,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:10,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:10" (1/1) ... [2023-11-23 20:33:10,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f10eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:10, skipping insertion in model container [2023-11-23 20:33:10,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:10" (1/1) ... [2023-11-23 20:33:10,664 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:10,942 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2023-11-23 20:33:11,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:11,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:11,554 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_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Heap.c[1244,1257] [2023-11-23 20:33:11,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:11,772 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:11,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11 WrapperNode [2023-11-23 20:33:11,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:11,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:11,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:11,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:11,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:11,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,114 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3112 [2023-11-23 20:33:12,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:12,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:12,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:12,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:12,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:12,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:12,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:12,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:12,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (1/1) ... [2023-11-23 20:33:12,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:12,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:12,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:12,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:33:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:13,044 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:13,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:18,259 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:18,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:18,426 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:18,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:18 BoogieIcfgContainer [2023-11-23 20:33:18,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:18,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:18,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:18,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:18,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:10" (1/3) ... [2023-11-23 20:33:18,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d0748c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:18, skipping insertion in model container [2023-11-23 20:33:18,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:11" (2/3) ... [2023-11-23 20:33:18,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d0748c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:18, skipping insertion in model container [2023-11-23 20:33:18,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:18" (3/3) ... [2023-11-23 20:33:18,442 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Heap.c [2023-11-23 20:33:18,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:18,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:18,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:18,514 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=FINITE_AUTOMATA, 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;@246c97d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:18,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-23 20:33:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:33:18,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:18,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 20:33:18,526 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:18,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:18,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 20:33:18,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:18,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510794327] [2023-11-23 20:33:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:18,554 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 [2023-11-23 20:33:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:18,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:18,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:19,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-23 20:33:19,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:19,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:19,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:19,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510794327] [2023-11-23 20:33:19,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510794327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:19,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:19,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:19,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751601918] [2023-11-23 20:33:19,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:19,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:33:19,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:33:19,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:33:19,854 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-23 20:33:20,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:20,540 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-23 20:33:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:33:20,542 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 [2023-11-23 20:33:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:20,550 INFO L225 Difference]: With dead ends: 16 [2023-11-23 20:33:20,550 INFO L226 Difference]: Without dead ends: 9 [2023-11-23 20:33:20,553 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 [2023-11-23 20:33:20,556 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:20,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:33:20,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-23 20:33:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-23 20:33:20,586 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) [2023-11-23 20:33:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-23 20:33:20,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-23 20:33:20,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:20,588 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-23 20:33:20,589 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) [2023-11-23 20:33:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-23 20:33:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:33:20,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:20,589 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-23 20:33:20,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:20,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:20,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:20,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:20,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-23 20:33:20,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:20,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055455679] [2023-11-23 20:33:20,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:20,800 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 [2023-11-23 20:33:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:20,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:20,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf08203-2500-4dd2-9cc9-daae62a0dbf7/bin/utaipan-verify-mE87zJ7Ire/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