./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/res1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu --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 005c3063cbff7bf2cfa5e3917587bb3bc67d690255843cf3936ae565f460b1c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:39,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:39,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:38:39,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:39,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:39,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:39,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:39,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:39,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:39,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:39,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:39,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:39,729 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:39,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:39,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:39,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:39,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:39,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:39,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:39,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:39,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:39,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:39,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:39,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:39,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:39,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:39,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:39,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:39,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:39,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:39,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:39,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:39,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:39,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:39,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:39,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:39,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:39,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:39,743 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:39,743 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_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005c3063cbff7bf2cfa5e3917587bb3bc67d690255843cf3936ae565f460b1c1 [2023-11-19 07:38:40,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:40,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:40,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:40,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:40,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:40,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-fpi/res1f.c [2023-11-19 07:38:43,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:43,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:43,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/sv-benchmarks/c/array-fpi/res1f.c [2023-11-19 07:38:43,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/data/0e99ad12c/76067a436e504a6f89ba2fa7f48ccc65/FLAG7f3ec12fe [2023-11-19 07:38:43,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/data/0e99ad12c/76067a436e504a6f89ba2fa7f48ccc65 [2023-11-19 07:38:43,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:43,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:43,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:43,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:43,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:43,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484f889c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43, skipping insertion in model container [2023-11-19 07:38:43,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:43,651 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_9edc306c-7b24-4454-a743-93f6e6127708/sv-benchmarks/c/array-fpi/res1f.c[588,601] [2023-11-19 07:38:43,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:43,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:43,696 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_9edc306c-7b24-4454-a743-93f6e6127708/sv-benchmarks/c/array-fpi/res1f.c[588,601] [2023-11-19 07:38:43,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:43,721 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:43,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43 WrapperNode [2023-11-19 07:38:43,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:43,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:43,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:43,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:43,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,767 INFO L138 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-19 07:38:43,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:43,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:43,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:43,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:43,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:43,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:43,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:43,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:43,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (1/1) ... [2023-11-19 07:38:43,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:43,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:43,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:43,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:38:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:43,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:43,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:44,193 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:44,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:44,201 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:38:44,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:44 BoogieIcfgContainer [2023-11-19 07:38:44,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:44,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:44,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:44,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:44,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:43" (1/3) ... [2023-11-19 07:38:44,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc8f06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:44, skipping insertion in model container [2023-11-19 07:38:44,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:43" (2/3) ... [2023-11-19 07:38:44,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc8f06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:44, skipping insertion in model container [2023-11-19 07:38:44,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:44" (3/3) ... [2023-11-19 07:38:44,219 INFO L112 eAbstractionObserver]: Analyzing ICFG res1f.c [2023-11-19 07:38:44,240 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:44,241 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:44,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:44,312 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;@575be457, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:44,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:38:44,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:44,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:44,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:44,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1202110748, now seen corresponding path program 1 times [2023-11-19 07:38:44,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348612727] [2023-11-19 07:38:44,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:44,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:44,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348612727] [2023-11-19 07:38:44,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348612727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:44,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:44,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918537742] [2023-11-19 07:38:44,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:44,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:44,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:44,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:44,691 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:44,721 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2023-11-19 07:38:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:44,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 07:38:44,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:44,732 INFO L225 Difference]: With dead ends: 44 [2023-11-19 07:38:44,732 INFO L226 Difference]: Without dead ends: 20 [2023-11-19 07:38:44,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:44,739 INFO L413 NwaCegarLoop]: 28 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, 28 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 [2023-11-19 07:38:44,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:44,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-11-19 07:38:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-19 07:38:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2023-11-19 07:38:44,775 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 15 [2023-11-19 07:38:44,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:44,776 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2023-11-19 07:38:44,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 07:38:44,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:38:44,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:44,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:44,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:44,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:44,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:44,778 INFO L85 PathProgramCache]: Analyzing trace with hash -944124056, now seen corresponding path program 1 times [2023-11-19 07:38:44,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:44,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313833864] [2023-11-19 07:38:44,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:44,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:44,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313833864] [2023-11-19 07:38:44,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313833864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:44,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:44,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:44,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359583345] [2023-11-19 07:38:44,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:44,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:44,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:44,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:44,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:44,999 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:45,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:45,084 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2023-11-19 07:38:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:38:45,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 07:38:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:45,086 INFO L225 Difference]: With dead ends: 41 [2023-11-19 07:38:45,086 INFO L226 Difference]: Without dead ends: 28 [2023-11-19 07:38:45,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:45,088 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 30 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:45,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 12 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:38:45,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-19 07:38:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2023-11-19 07:38:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2023-11-19 07:38:45,097 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2023-11-19 07:38:45,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:45,097 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-19 07:38:45,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-19 07:38:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:38:45,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:45,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:45,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:45,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:45,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:45,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1401448688, now seen corresponding path program 1 times [2023-11-19 07:38:45,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:45,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216019968] [2023-11-19 07:38:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:45,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:45,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:45,299 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:38:45,301 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:38:45,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:45,307 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:38:45,312 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:45,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:45 BoogieIcfgContainer [2023-11-19 07:38:45,369 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:45,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:45,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:45,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:45,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:44" (3/4) ... [2023-11-19 07:38:45,372 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:38:45,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edc306c-7b24-4454-a743-93f6e6127708/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:45,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:45,422 INFO L158 Benchmark]: Toolchain (without parser) took 1971.28ms. Allocated memory is still 165.7MB. Free memory was 134.4MB in the beginning and 78.3MB in the end (delta: 56.0MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,423 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:45,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.87ms. Allocated memory is still 165.7MB. Free memory was 134.4MB in the beginning and 123.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.41ms. Allocated memory is still 165.7MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,424 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 119.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,425 INFO L158 Benchmark]: RCFGBuilder took 405.13ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 126.2MB in the end (delta: -6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,426 INFO L158 Benchmark]: TraceAbstraction took 1161.14ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 80.4MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,429 INFO L158 Benchmark]: Witness Printer took 51.64ms. Allocated memory is still 165.7MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.87ms. Allocated memory is still 165.7MB. Free memory was 134.4MB in the beginning and 123.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.41ms. Allocated memory is still 165.7MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 119.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.13ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 126.2MB in the end (delta: -6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1161.14ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 80.4MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 51.64ms. Allocated memory is still 165.7MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1, \old(cond)=1, cond=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L32] sum[0] = 1 [L33] i=0 VAL [N=1, a={-3:0}, b={-2:0}, i=0, sum={9:0}] [L33] COND TRUE i