./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl --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 32bit --witnessprinter.graph.data.programhash 4d15259895261afd15480d8dfa68eefc339e98188967098541cbbfc5e69c9e01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:51,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:51,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:11:51,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:51,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:51,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:51,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:51,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:51,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:51,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:51,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:51,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:51,645 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:51,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:51,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:51,647 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:11:51,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:11:51,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:11:51,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:51,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:51,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:51,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:51,651 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:11:51,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:51,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:51,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:51,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:51,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:51,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:51,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:51,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:51,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:51,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:11:51,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:11:51,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:51,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:51,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:51,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:51,657 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:51,658 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d15259895261afd15480d8dfa68eefc339e98188967098541cbbfc5e69c9e01 [2023-11-12 02:11:51,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:51,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:51,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:51,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:51,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:51,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i [2023-11-12 02:11:55,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:55,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:55,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i [2023-11-12 02:11:55,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data/7d613d637/f4dcac3a711e47b4a0b3c9c77cfa45c2/FLAG9f586f9e4 [2023-11-12 02:11:55,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data/7d613d637/f4dcac3a711e47b4a0b3c9c77cfa45c2 [2023-11-12 02:11:55,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:55,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:55,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:55,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:55,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:55,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df1987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55, skipping insertion in model container [2023-11-12 02:11:55,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:55,697 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i[915,928] [2023-11-12 02:11:55,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:55,795 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:55,820 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i[915,928] [2023-11-12 02:11:55,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:55,883 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:55,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55 WrapperNode [2023-11-12 02:11:55,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:55,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:55,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:55,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:55,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,936 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2023-11-12 02:11:55,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:55,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:55,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:55,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:55,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:55,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:55,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:55,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:55,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:55,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (1/1) ... [2023-11-12 02:11:56,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:56,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:56,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:11:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:11:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:11:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:56,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:56,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:56,660 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:56,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:56,680 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:56,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:56 BoogieIcfgContainer [2023-11-12 02:11:56,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:56,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:56,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:56,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:56,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:55" (1/3) ... [2023-11-12 02:11:56,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e0a393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:56, skipping insertion in model container [2023-11-12 02:11:56,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:55" (2/3) ... [2023-11-12 02:11:56,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e0a393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:56, skipping insertion in model container [2023-11-12 02:11:56,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:56" (3/3) ... [2023-11-12 02:11:56,699 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-98.i [2023-11-12 02:11:56,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:56,715 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:56,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:56,776 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;@68feb3b7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:56,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:11:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:11:56,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:56,795 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:56,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:56,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash -720185059, now seen corresponding path program 1 times [2023-11-12 02:11:56,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:56,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384258394] [2023-11-12 02:11:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:56,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:57,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:57,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384258394] [2023-11-12 02:11:57,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:11:57,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406848956] [2023-11-12 02:11:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:57,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:57,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:57,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:57,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:11:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:57,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:11:57,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-12 02:11:57,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:57,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406848956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:57,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:57,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340011187] [2023-11-12 02:11:57,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:57,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:11:57,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:57,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:11:57,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:57,391 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:11:57,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:57,425 INFO L93 Difference]: Finished difference Result 113 states and 190 transitions. [2023-11-12 02:11:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:11:57,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-11-12 02:11:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:57,436 INFO L225 Difference]: With dead ends: 113 [2023-11-12 02:11:57,436 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 02:11:57,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:57,444 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:57,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:57,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 02:11:57,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 02:11:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:11:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2023-11-12 02:11:57,499 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 128 [2023-11-12 02:11:57,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:57,500 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2023-11-12 02:11:57,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:11:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2023-11-12 02:11:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:11:57,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:57,506 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:57,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:57,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:11:57,710 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:57,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:57,711 INFO L85 PathProgramCache]: Analyzing trace with hash 128948381, now seen corresponding path program 1 times [2023-11-12 02:11:57,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:57,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517839040] [2023-11-12 02:11:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:57,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:57,864 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:57,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811458313] [2023-11-12 02:11:57,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:57,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:57,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:57,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:11:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:58,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:58,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:58,248 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:11:58,249 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:11:58,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:11:58,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:58,461 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:11:58,464 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:11:58,584 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:11:58,598 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-12 02:11:58,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:11:58 BoogieIcfgContainer [2023-11-12 02:11:58,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:11:58,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:11:58,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:11:58,631 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:11:58,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:56" (3/4) ... [2023-11-12 02:11:58,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:11:58,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:11:58,637 INFO L158 Benchmark]: Toolchain (without parser) took 3226.90ms. Allocated memory is still 134.2MB. Free memory was 92.1MB in the beginning and 80.0MB in the end (delta: 12.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:58,644 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 104.9MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:58,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.65ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 78.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:11:58,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.12ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:58,648 INFO L158 Benchmark]: Boogie Preprocessor took 43.27ms. Allocated memory is still 134.2MB. Free memory was 76.4MB in the beginning and 75.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:58,648 INFO L158 Benchmark]: RCFGBuilder took 693.70ms. Allocated memory is still 134.2MB. Free memory was 75.0MB in the beginning and 96.3MB in the end (delta: -21.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-12 02:11:58,649 INFO L158 Benchmark]: TraceAbstraction took 1939.48ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 80.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-12 02:11:58,652 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 134.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:58,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 104.9MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.65ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 78.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.12ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.27ms. Allocated memory is still 134.2MB. Free memory was 76.4MB in the beginning and 75.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 693.70ms. Allocated memory is still 134.2MB. Free memory was 75.0MB in the beginning and 96.3MB in the end (delta: -21.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1939.48ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 80.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 134.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of shiftRight at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.8; [L23] double var_1_2 = 63.5; [L24] double var_1_3 = 9999999.5; [L25] double var_1_4 = 0.6; [L26] signed short int var_1_6 = 10; [L27] signed long int var_1_7 = -1; [L28] double var_1_8 = 32.34; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_11 = 1; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned long int var_1_15 = 0; [L35] unsigned long int var_1_16 = 2731588682; [L36] unsigned long int var_1_17 = 2; [L37] unsigned long int var_1_18 = 50; [L38] unsigned char last_1_var_1_9 = 0; VAL [isInitial=0, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_2=127/2, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L91] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_2=127/2, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L101] RET updateLastVariables() [L102] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L59] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L60] var_1_3 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L61] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L62] var_1_6 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L63] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L64] CALL assume_abort_if_not(var_1_6 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L64] RET assume_abort_if_not(var_1_6 <= 32) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L65] var_1_7 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L66] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L67] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L68] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L69] var_1_8 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L70] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L72] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L75] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L78] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L79] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L80] var_1_14 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L81] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L82] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L83] var_1_16 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L84] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L85] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L88] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L102] RET updateVariables() [L103] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=0] [L43] COND TRUE ((- var_1_2) * var_1_8) == var_1_1 [L44] var_1_9 = ((last_1_var_1_9 || var_1_11) && (var_1_12 && (var_1_13 && var_1_14))) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L46] COND TRUE \read(var_1_14) [L47] var_1_15 = var_1_6 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=50, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L51] var_1_18 = var_1_6 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=10, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L52] EXPR var_1_18 >> var_1_6 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=10, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L52] unsigned long int stepLocal_0 = (var_1_18 >> var_1_6) / var_1_7; [L53] COND TRUE 8 < stepLocal_0 [L54] var_1_4 = ((15.475 + 256.75) + var_1_8) VAL [isInitial=1, last_1_var_1_9=0, stepLocal_0=9, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=10, var_1_3=2, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR (var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_18 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) ((15.475 + 256.75) + var_1_8))) : 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=10, var_1_3=2, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L94-L95] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_18 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) ((15.475 + 256.75) + var_1_8))) : 1)) && ((((- var_1_2) * var_1_8) == var_1_1) ? (var_1_9 == ((unsigned char) ((last_1_var_1_9 || var_1_11) && (var_1_12 && (var_1_13 && var_1_14))))) : 1)) && (var_1_14 ? (var_1_15 == ((unsigned long int) var_1_6)) : (var_1_15 == ((unsigned long int) (var_1_16 - ((((var_1_6) > ((1251570750u - var_1_17))) ? (var_1_6) : ((1251570750u - var_1_17))))))))) && (var_1_18 == ((unsigned long int) var_1_6)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=10, var_1_3=2, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=10, var_1_16=4294967294, var_1_17=1073741823, var_1_18=10, var_1_3=2, var_1_6=10, var_1_7=1, var_1_8=3, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 [2023-11-12 02:11:58,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl --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 32bit --witnessprinter.graph.data.programhash 4d15259895261afd15480d8dfa68eefc339e98188967098541cbbfc5e69c9e01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:12:01,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:12:01,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:12:01,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:12:01,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:12:01,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:12:01,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:12:01,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:12:01,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:12:01,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:12:01,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:12:01,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:12:01,613 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:12:01,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:12:01,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:12:01,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:12:01,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:12:01,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:12:01,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:12:01,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:12:01,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:12:01,619 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:12:01,619 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:12:01,620 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:12:01,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:12:01,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:12:01,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:12:01,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:12:01,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:12:01,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:12:01,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:01,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:12:01,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:12:01,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:12:01,624 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:12:01,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:12:01,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:12:01,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:12:01,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:12:01,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:12:01,627 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:12:01,627 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:12:01,627 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d15259895261afd15480d8dfa68eefc339e98188967098541cbbfc5e69c9e01 [2023-11-12 02:12:02,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:12:02,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:12:02,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:12:02,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:12:02,060 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:12:02,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i [2023-11-12 02:12:05,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:12:05,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:12:05,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i [2023-11-12 02:12:05,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data/c85acbb14/cff0e673e70944cf9e88e2ea861a09c2/FLAG13840bc8d [2023-11-12 02:12:05,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/data/c85acbb14/cff0e673e70944cf9e88e2ea861a09c2 [2023-11-12 02:12:05,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:12:05,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:12:05,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:05,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:12:05,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:12:05,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:05" (1/1) ... [2023-11-12 02:12:05,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40509ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:05, skipping insertion in model container [2023-11-12 02:12:05,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:05" (1/1) ... [2023-11-12 02:12:05,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:12:06,074 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i[915,928] [2023-11-12 02:12:06,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:06,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:12:06,173 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_a0d4312e-27ef-44bb-9b71-7fd39054c664/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-98.i[915,928] [2023-11-12 02:12:06,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:06,238 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:12:06,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06 WrapperNode [2023-11-12 02:12:06,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:06,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:06,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:12:06,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:12:06,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,321 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-12 02:12:06,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:06,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:12:06,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:12:06,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:12:06,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:12:06,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:12:06,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:12:06,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:12:06,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (1/1) ... [2023-11-12 02:12:06,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:06,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:12:06,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:12:06,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:12:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:12:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:12:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:12:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:12:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:12:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:12:06,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:12:06,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:12:13,423 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:12:13,434 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:12:13,436 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:12:13,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:13 BoogieIcfgContainer [2023-11-12 02:12:13,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:12:13,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:12:13,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:12:13,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:12:13,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:12:05" (1/3) ... [2023-11-12 02:12:13,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31795f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:13, skipping insertion in model container [2023-11-12 02:12:13,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:06" (2/3) ... [2023-11-12 02:12:13,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31795f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:13, skipping insertion in model container [2023-11-12 02:12:13,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:13" (3/3) ... [2023-11-12 02:12:13,452 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-98.i [2023-11-12 02:12:13,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:12:13,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:12:13,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:12:13,523 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;@1f794c4f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:12:13,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:12:13,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:12:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:12:13,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:12:13,543 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:13,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:12:13,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:13,549 INFO L85 PathProgramCache]: Analyzing trace with hash 140353710, now seen corresponding path program 1 times [2023-11-12 02:12:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:12:13,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307056223] [2023-11-12 02:12:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:13,563 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 [2023-11-12 02:12:13,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:12:13,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:12:13,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:12:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:14,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:12:14,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:12:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-12 02:12:14,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:12:14,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:12:14,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307056223] [2023-11-12 02:12:14,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307056223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:14,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:14,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:12:14,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853872146] [2023-11-12 02:12:14,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:14,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:12:14,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:12:14,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:12:14,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:12:14,402 INFO L87 Difference]: Start difference. First operand has 54 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:12:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:12:14,443 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2023-11-12 02:12:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:12:14,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2023-11-12 02:12:14,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:12:14,453 INFO L225 Difference]: With dead ends: 101 [2023-11-12 02:12:14,453 INFO L226 Difference]: Without dead ends: 50 [2023-11-12 02:12:14,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:12:14,460 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:12:14,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:12:14,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-12 02:12:14,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-12 02:12:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:12:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2023-11-12 02:12:14,516 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 124 [2023-11-12 02:12:14,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:12:14,516 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2023-11-12 02:12:14,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:12:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2023-11-12 02:12:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:12:14,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:12:14,521 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:14,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:12:14,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:12:14,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:12:14,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1782980654, now seen corresponding path program 1 times [2023-11-12 02:12:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:12:14,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292027907] [2023-11-12 02:12:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:14,724 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 [2023-11-12 02:12:14,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:12:14,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:12:14,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d4312e-27ef-44bb-9b71-7fd39054c664/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:12:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:15,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-12 02:12:15,390 INFO L285 TraceCheckSpWp]: Computing forward predicates...