./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:40:44,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:40:44,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:40:44,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:40:44,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:40:44,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:40:44,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:40:44,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:40:44,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:40:44,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:40:44,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:40:44,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:40:44,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:40:44,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:40:44,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:40:44,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:40:44,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:40:44,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:40:44,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:40:44,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:40:44,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:40:44,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:40:44,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:40:44,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:40:44,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:40:44,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:40:44,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:40:44,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:40:44,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:40:44,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:40:44,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:40:44,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:40:44,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:40:44,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:40:44,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:40:44,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:40:44,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:40:44,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:40:44,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:40:44,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:40:44,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:40:44,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:40:44,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:40:44,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:40:44,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:40:44,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:40:44,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:40:44,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:40:44,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:40:44,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:40:44,671 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:40:44,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:40:44,673 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:40:44,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:40:44,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:40:44,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:40:44,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:40:44,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:40:44,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:40:44,674 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:40:44,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:40:44,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:40:44,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:40:44,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:40:44,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:40:44,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:40:44,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:40:44,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:40:44,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:40:44,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:40:44,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:40:44,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:40:44,678 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:40:44,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:40:44,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:40:44,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-11-20 12:40:44,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:40:44,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:40:44,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:40:44,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:40:44,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:40:44,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-20 12:40:48,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:40:48,339 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:40:48,340 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-20 12:40:48,346 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data/94518396f/53b1858d4be6474bbe162765f7f4b62d/FLAG42177d0cb [2022-11-20 12:40:48,360 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data/94518396f/53b1858d4be6474bbe162765f7f4b62d [2022-11-20 12:40:48,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:40:48,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:40:48,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:48,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:40:48,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:40:48,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc5e6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48, skipping insertion in model container [2022-11-20 12:40:48,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:40:48,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:40:48,538 WARN L237 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_22c24753-405b-4a4b-be1b-c2e8da7a3d40/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-20 12:40:48,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:48,616 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:40:48,635 WARN L237 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_22c24753-405b-4a4b-be1b-c2e8da7a3d40/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-20 12:40:48,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:48,700 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:40:48,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48 WrapperNode [2022-11-20 12:40:48,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:48,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:48,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:40:48,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:40:48,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,773 INFO L138 Inliner]: procedures = 17, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2022-11-20 12:40:48,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:48,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:40:48,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:40:48,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:40:48,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:40:48,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:40:48,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:40:48,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:40:48,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (1/1) ... [2022-11-20 12:40:48,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:40:48,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:48,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:48,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:40:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:40:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:40:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 12:40:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-20 12:40:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:40:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:40:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-20 12:40:49,102 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:40:49,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:40:49,338 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:40:49,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:40:49,345 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:40:49,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:49 BoogieIcfgContainer [2022-11-20 12:40:49,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:40:49,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:40:49,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:40:49,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:40:49,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:40:48" (1/3) ... [2022-11-20 12:40:49,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9b9692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:40:49, skipping insertion in model container [2022-11-20 12:40:49,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:48" (2/3) ... [2022-11-20 12:40:49,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9b9692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:40:49, skipping insertion in model container [2022-11-20 12:40:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:49" (3/3) ... [2022-11-20 12:40:49,365 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2022-11-20 12:40:49,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:40:49,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:40:49,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:40:49,445 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dfd661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:40:49,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:40:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-20 12:40:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 12:40:49,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:49,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:49,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:49,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:49,462 INFO L85 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2022-11-20 12:40:49,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:49,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362293814] [2022-11-20 12:40:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:49,719 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:40:49,721 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:40:49,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:40:49,728 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 12:40:49,733 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:40:49,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:40:49 BoogieIcfgContainer [2022-11-20 12:40:49,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:40:49,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:40:49,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:40:49,770 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:40:49,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:49" (3/4) ... [2022-11-20 12:40:49,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:40:49,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:40:49,778 INFO L158 Benchmark]: Toolchain (without parser) took 1413.35ms. Allocated memory is still 222.3MB. Free memory was 188.7MB in the beginning and 141.7MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 12:40:49,778 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:40:49,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.70ms. Allocated memory is still 222.3MB. Free memory was 187.9MB in the beginning and 176.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:40:49,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.57ms. Allocated memory is still 222.3MB. Free memory was 176.6MB in the beginning and 174.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:40:49,780 INFO L158 Benchmark]: Boogie Preprocessor took 66.62ms. Allocated memory is still 222.3MB. Free memory was 174.9MB in the beginning and 173.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:40:49,781 INFO L158 Benchmark]: RCFGBuilder took 504.73ms. Allocated memory is still 222.3MB. Free memory was 173.2MB in the beginning and 157.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:40:49,781 INFO L158 Benchmark]: TraceAbstraction took 410.34ms. Allocated memory is still 222.3MB. Free memory was 157.2MB in the beginning and 141.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:40:49,786 INFO L158 Benchmark]: Witness Printer took 7.48ms. Allocated memory is still 222.3MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:40:49,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.70ms. Allocated memory is still 222.3MB. Free memory was 187.9MB in the beginning and 176.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.57ms. Allocated memory is still 222.3MB. Free memory was 176.6MB in the beginning and 174.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.62ms. Allocated memory is still 222.3MB. Free memory was 174.9MB in the beginning and 173.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.73ms. Allocated memory is still 222.3MB. Free memory was 173.2MB in the beginning and 157.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 410.34ms. Allocated memory is still 222.3MB. Free memory was 157.2MB in the beginning and 141.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.48ms. Allocated memory is still 222.3MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; VAL [E={4:0}, E2={6:0}, INIT1=0, INIT2=0, P=0, S={5:0}, S2={7:0}, X=0] [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L63] COND FALSE !(X >= -400. && X <= 400.) VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L68] COND FALSE !(X >= -800. && X <= 800.) VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L74] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L9] reach_error() VAL [\old(cond)=0, cond=0, E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:40:49,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:40:52,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:40:52,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:40:52,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:40:52,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:40:52,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:40:52,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:40:52,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:40:52,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:40:52,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:40:52,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:40:52,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:40:52,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:40:52,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:40:52,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:40:52,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:40:52,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:40:52,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:40:52,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:40:52,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:40:52,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:40:52,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:40:52,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:40:52,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:40:52,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:40:52,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:40:52,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:40:52,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:40:52,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:40:52,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:40:52,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:40:52,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:40:52,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:40:52,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:40:52,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:40:52,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:40:52,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:40:52,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:40:52,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:40:52,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:40:52,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:40:52,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 12:40:52,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:40:52,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:40:52,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:40:52,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:40:52,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:40:52,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:40:52,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:40:52,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:40:52,520 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:40:52,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:40:52,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:40:52,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:40:52,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:40:52,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:40:52,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:40:52,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:40:52,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:40:52,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:40:52,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:40:52,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:40:52,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:40:52,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:40:52,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:40:52,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:40:52,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:40:52,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:40:52,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:40:52,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:40:52,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:40:52,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:40:52,526 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:40:52,526 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:40:52,527 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:40:52,527 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:40:52,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:40:52,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:40:52,528 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-11-20 12:40:52,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:40:52,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:40:52,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:40:52,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:40:52,955 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:40:52,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-20 12:40:56,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:40:56,269 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:40:56,270 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-20 12:40:56,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data/0090254d2/bca34ebbb9de416ab5f95262e873a3ba/FLAGd6fab4a90 [2022-11-20 12:40:56,294 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/data/0090254d2/bca34ebbb9de416ab5f95262e873a3ba [2022-11-20 12:40:56,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:40:56,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:40:56,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:56,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:40:56,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:40:56,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4907ab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56, skipping insertion in model container [2022-11-20 12:40:56,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:40:56,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:40:56,487 WARN L237 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_22c24753-405b-4a4b-be1b-c2e8da7a3d40/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-20 12:40:56,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:56,576 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:40:56,596 WARN L237 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_22c24753-405b-4a4b-be1b-c2e8da7a3d40/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-20 12:40:56,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:56,663 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:40:56,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56 WrapperNode [2022-11-20 12:40:56,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:56,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:56,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:40:56,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:40:56,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,738 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-11-20 12:40:56,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:56,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:40:56,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:40:56,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:40:56,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:40:56,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:40:56,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:40:56,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:40:56,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:56" (1/1) ... [2022-11-20 12:40:56,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:40:56,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:56,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:56,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:40:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:40:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-20 12:40:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:40:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-20 12:40:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:40:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:40:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-20 12:40:57,062 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:40:57,064 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:41:09,897 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-20 12:41:09,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-20 12:41:09,900 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:213) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:718) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:736) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:265) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 25 more [2022-11-20 12:41:09,904 INFO L158 Benchmark]: Toolchain (without parser) took 13604.85ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 43.8MB in the end (delta: 8.0MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-20 12:41:09,904 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:41:09,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.52ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 39.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:41:09,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.59ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 37.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:41:09,907 INFO L158 Benchmark]: Boogie Preprocessor took 62.51ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 35.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:41:09,907 INFO L158 Benchmark]: RCFGBuilder took 13100.21ms. Allocated memory is still 75.5MB. Free memory was 35.2MB in the beginning and 43.8MB in the end (delta: -8.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-20 12:41:09,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.52ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 39.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.59ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 37.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.51ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 35.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13100.21ms. Allocated memory is still 75.5MB. Free memory was 35.2MB in the beginning and 43.8MB in the end (delta: -8.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c24753-405b-4a4b-be1b-c2e8da7a3d40/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")