./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro --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 deb2961dfdf64db660101843bba8382b9335928497cfb099bb99119271c12cd2 --- 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-8393723 [2022-11-18 20:20:52,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:20:52,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:20:52,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:20:52,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:20:52,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:20:52,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:20:52,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:20:52,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:20:52,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:20:52,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:20:52,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:20:52,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:20:52,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:20:52,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:20:52,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:20:52,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:20:52,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:20:52,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:20:52,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:20:52,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:20:52,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:20:52,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:20:52,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:20:52,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:20:52,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:20:52,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:20:52,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:20:52,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:20:52,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:20:52,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:20:52,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:20:52,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:20:52,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:20:52,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:20:52,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:20:52,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:20:52,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:20:52,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:20:52,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:20:52,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:20:52,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:20:52,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:20:52,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:20:52,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:20:52,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:20:52,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:20:52,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:20:52,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:20:52,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:20:52,786 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:20:52,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:20:52,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:20:52,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:20:52,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:20:52,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:20:52,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:20:52,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:20:52,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:20:52,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:20:52,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:20:52,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:20:52,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:20:52,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:20:52,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:20:52,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:20:52,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:20:52,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:20:52,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:20:52,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:20:52,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:20:52,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:20:52,794 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:20:52,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:20:52,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:20:52,795 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_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb2961dfdf64db660101843bba8382b9335928497cfb099bb99119271c12cd2 [2022-11-18 20:20:53,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:20:53,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:20:53,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:20:53,124 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:20:53,125 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:20:53,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/floats-cdfpl/sine_8.i [2022-11-18 20:20:53,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/fb56f732d/c8dde11e5ff849398372bb0113846168/FLAG80bb066a6 [2022-11-18 20:20:53,638 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:20:53,639 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/sv-benchmarks/c/floats-cdfpl/sine_8.i [2022-11-18 20:20:53,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/fb56f732d/c8dde11e5ff849398372bb0113846168/FLAG80bb066a6 [2022-11-18 20:20:54,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/fb56f732d/c8dde11e5ff849398372bb0113846168 [2022-11-18 20:20:54,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:20:54,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:20:54,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:20:54,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:20:54,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:20:54,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d0e6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54, skipping insertion in model container [2022-11-18 20:20:54,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:20:54,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:20:54,347 WARN L234 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_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/sv-benchmarks/c/floats-cdfpl/sine_8.i[1641,1654] [2022-11-18 20:20:54,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:20:54,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:20:54,395 WARN L234 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_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/sv-benchmarks/c/floats-cdfpl/sine_8.i[1641,1654] [2022-11-18 20:20:54,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:20:54,416 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:20:54,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54 WrapperNode [2022-11-18 20:20:54,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:20:54,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:20:54,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:20:54,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:20:54,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,455 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-11-18 20:20:54,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:20:54,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:20:54,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:20:54,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:20:54,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:20:54,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:20:54,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:20:54,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:20:54,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (1/1) ... [2022-11-18 20:20:54,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:20:54,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:20:54,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:20:54,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:20:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:20:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:20:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:20:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:20:54,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:20:54,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:20:54,747 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:20:54,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:20:54,753 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:20:54,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:20:54 BoogieIcfgContainer [2022-11-18 20:20:54,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:20:54,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:20:54,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:20:54,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:20:54,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:20:54" (1/3) ... [2022-11-18 20:20:54,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36daa61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:20:54, skipping insertion in model container [2022-11-18 20:20:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:54" (2/3) ... [2022-11-18 20:20:54,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36daa61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:20:54, skipping insertion in model container [2022-11-18 20:20:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:20:54" (3/3) ... [2022-11-18 20:20:54,766 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_8.i [2022-11-18 20:20:54,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:20:54,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:20:54,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:20:54,847 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;@51378bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:20:54,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:20:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-18 20:20:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:20:54,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:20:54,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:20:54,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:20:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:20:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-11-18 20:20:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:20:54,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500567552] [2022-11-18 20:20:54,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:20:54,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:20:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:20:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:20:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:20:55,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500567552] [2022-11-18 20:20:55,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500567552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:20:55,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:20:55,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:20:55,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136886127] [2022-11-18 20:20:55,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:20:55,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:20:55,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:20:55,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:20:55,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:20:55,061 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:20:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:20:55,075 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-18 20:20:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:20:55,078 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-18 20:20:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:20:55,087 INFO L225 Difference]: With dead ends: 19 [2022-11-18 20:20:55,088 INFO L226 Difference]: Without dead ends: 7 [2022-11-18 20:20:55,091 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 [2022-11-18 20:20:55,098 INFO L413 NwaCegarLoop]: 10 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, 10 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 [2022-11-18 20:20:55,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:20:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-18 20:20:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-18 20:20:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-11-18 20:20:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-11-18 20:20:55,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-11-18 20:20:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:20:55,137 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-11-18 20:20:55,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:20:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-18 20:20:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:20:55,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:20:55,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:20:55,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:20:55,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:20:55,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:20:55,141 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-11-18 20:20:55,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:20:55,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363332144] [2022-11-18 20:20:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:20:55,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:20:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:20:55,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:20:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:20:55,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:20:55,242 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:20:55,244 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:20:55,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:20:55,250 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:20:55,257 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:20:55,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:20:55 BoogieIcfgContainer [2022-11-18 20:20:55,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:20:55,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:20:55,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:20:55,289 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:20:55,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:20:54" (3/4) ... [2022-11-18 20:20:55,294 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:20:55,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:20:55,296 INFO L158 Benchmark]: Toolchain (without parser) took 1247.81ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 75.7MB in the end (delta: 21.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-11-18 20:20:55,297 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:20:55,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.10ms. Allocated memory is still 136.3MB. Free memory was 96.8MB in the beginning and 111.4MB in the end (delta: -14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:20:55,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 136.3MB. Free memory was 111.4MB in the beginning and 109.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:20:55,303 INFO L158 Benchmark]: Boogie Preprocessor took 32.75ms. Allocated memory is still 136.3MB. Free memory was 109.8MB in the beginning and 108.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:20:55,307 INFO L158 Benchmark]: RCFGBuilder took 264.81ms. Allocated memory is still 136.3MB. Free memory was 108.4MB in the beginning and 99.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:20:55,307 INFO L158 Benchmark]: TraceAbstraction took 530.55ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 76.4MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:20:55,308 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 136.3MB. Free memory was 76.4MB in the beginning and 75.7MB in the end (delta: 621.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:20:55,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.10ms. Allocated memory is still 136.3MB. Free memory was 96.8MB in the beginning and 111.4MB in the end (delta: -14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 136.3MB. Free memory was 111.4MB in the beginning and 109.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.75ms. Allocated memory is still 136.3MB. Free memory was 109.8MB in the beginning and 108.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.81ms. Allocated memory is still 136.3MB. Free memory was 108.4MB in the beginning and 99.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 530.55ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 76.4MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 136.3MB. Free memory was 76.4MB in the beginning and 75.7MB in the end (delta: 621.1kB). 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: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=53, x=53] [L36] COND TRUE !(result <= 2.0f && result >= -2.0f) VAL [IN=53, x=53] [L37] reach_error() VAL [IN=53, x=53] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-18 20:20:55,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro --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 deb2961dfdf64db660101843bba8382b9335928497cfb099bb99119271c12cd2 --- 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-8393723 [2022-11-18 20:20:57,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:20:57,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:20:57,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:20:57,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:20:57,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:20:57,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:20:57,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:20:57,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:20:58,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:20:58,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:20:58,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:20:58,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:20:58,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:20:58,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:20:58,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:20:58,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:20:58,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:20:58,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:20:58,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:20:58,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:20:58,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:20:58,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:20:58,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:20:58,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:20:58,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:20:58,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:20:58,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:20:58,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:20:58,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:20:58,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:20:58,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:20:58,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:20:58,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:20:58,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:20:58,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:20:58,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:20:58,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:20:58,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:20:58,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:20:58,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:20:58,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 20:20:58,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:20:58,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:20:58,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:20:58,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:20:58,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:20:58,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:20:58,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:20:58,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:20:58,117 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:20:58,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:20:58,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:20:58,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:20:58,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:20:58,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:20:58,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:20:58,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:20:58,121 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:20:58,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:20:58,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:20:58,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:20:58,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:20:58,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:20:58,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:20:58,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:20:58,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:20:58,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:20:58,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:20:58,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:20:58,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:20:58,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:20:58,126 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:20:58,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:20:58,126 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:20:58,127 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:20:58,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:20:58,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:20:58,128 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_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb2961dfdf64db660101843bba8382b9335928497cfb099bb99119271c12cd2 [2022-11-18 20:20:58,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:20:58,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:20:58,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:20:58,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:20:58,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:20:58,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/floats-cdfpl/sine_8.i [2022-11-18 20:20:58,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/401d1fdb0/2f962328f2014b3cb21939748c0e4c5e/FLAG91416755f [2022-11-18 20:20:59,192 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:20:59,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/sv-benchmarks/c/floats-cdfpl/sine_8.i [2022-11-18 20:20:59,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/401d1fdb0/2f962328f2014b3cb21939748c0e4c5e/FLAG91416755f [2022-11-18 20:20:59,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/data/401d1fdb0/2f962328f2014b3cb21939748c0e4c5e [2022-11-18 20:20:59,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:20:59,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:20:59,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:20:59,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:20:59,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:20:59,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fdd9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59, skipping insertion in model container [2022-11-18 20:20:59,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:20:59,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:20:59,812 WARN L234 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_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/sv-benchmarks/c/floats-cdfpl/sine_8.i[1641,1654] [2022-11-18 20:20:59,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:20:59,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:20:59,873 WARN L234 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_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/sv-benchmarks/c/floats-cdfpl/sine_8.i[1641,1654] [2022-11-18 20:20:59,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:20:59,911 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:20:59,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59 WrapperNode [2022-11-18 20:20:59,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:20:59,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:20:59,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:20:59,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:20:59,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,951 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-11-18 20:20:59,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:20:59,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:20:59,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:20:59,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:20:59,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:20:59,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:20:59,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:20:59,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:20:59,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (1/1) ... [2022-11-18 20:20:59,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:20:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:00,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:00,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:21:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:21:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:21:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:21:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:21:00,137 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:21:00,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:21:02,554 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:21:02,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:21:02,561 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:21:02,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:02 BoogieIcfgContainer [2022-11-18 20:21:02,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:21:02,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:21:02,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:21:02,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:21:02,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:20:59" (1/3) ... [2022-11-18 20:21:02,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e708b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:21:02, skipping insertion in model container [2022-11-18 20:21:02,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:20:59" (2/3) ... [2022-11-18 20:21:02,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e708b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:21:02, skipping insertion in model container [2022-11-18 20:21:02,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:02" (3/3) ... [2022-11-18 20:21:02,574 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_8.i [2022-11-18 20:21:02,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:21:02,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:21:02,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:21:02,656 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;@781de405, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:21:02,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:21:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-18 20:21:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:21:02,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:02,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:21:02,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:02,692 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-11-18 20:21:02,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:21:02,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409135685] [2022-11-18 20:21:02,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:02,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:21:02,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:21:02,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:21:02,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:21:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:03,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:21:03,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:21:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:03,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:21:03,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:21:03,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409135685] [2022-11-18 20:21:03,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409135685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:03,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:03,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:03,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584079894] [2022-11-18 20:21:03,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:03,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:21:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:21:03,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:21:03,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:21:03,373 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:21:03,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:03,388 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-18 20:21:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:21:03,391 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-18 20:21:03,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:03,399 INFO L225 Difference]: With dead ends: 19 [2022-11-18 20:21:03,399 INFO L226 Difference]: Without dead ends: 7 [2022-11-18 20:21:03,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:21:03,406 INFO L413 NwaCegarLoop]: 10 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, 10 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 [2022-11-18 20:21:03,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:21:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-18 20:21:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-18 20:21:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-11-18 20:21:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-11-18 20:21:03,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-11-18 20:21:03,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:03,437 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-11-18 20:21:03,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:21:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-18 20:21:03,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:21:03,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:03,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:21:03,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:03,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:21:03,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:03,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-11-18 20:21:03,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:21:03,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189706133] [2022-11-18 20:21:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:03,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:21:03,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:21:03,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:21:03,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:31:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:40,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:31:40,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:31:46,193 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 20:31:51,255 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 20:32:20,576 WARN L233 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:32:30,168 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 20:32:39,855 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 20:32:47,209 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 20:32:52,336 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 20:32:59,311 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.neg .cse7)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 6.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0)) (.cse5 ((_ to_fp 8 24) roundNearestTiesToEven 5040.0)) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (or (exists ((|ULTIMATE.start_main_~IN~0#1| (_ FloatingPoint 8 24))) (and (fp.gt |ULTIMATE.start_main_~IN~0#1| .cse0) (not (fp.leq (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| (fp.div roundNearestTiesToEven .cse1 .cse2)) (fp.div roundNearestTiesToEven .cse3 .cse4)) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|) .cse5)))) .cse6)) (fp.lt |ULTIMATE.start_main_~IN~0#1| .cse7))) (exists ((|ULTIMATE.start_main_~IN~0#1| (_ FloatingPoint 8 24))) (and (fp.gt |ULTIMATE.start_main_~IN~0#1| .cse0) (fp.lt |ULTIMATE.start_main_~IN~0#1| .cse7) (not (fp.geq (let ((.cse8 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (let ((.cse9 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse8 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| (fp.div roundNearestTiesToEven .cse8 .cse2)) (fp.div roundNearestTiesToEven .cse9 .cse4)) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse9 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|) .cse5)))) (fp.neg .cse6)))))))) is different from false [2022-11-18 20:33:01,428 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.neg .cse7)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 6.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0)) (.cse5 ((_ to_fp 8 24) roundNearestTiesToEven 5040.0)) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (or (exists ((|ULTIMATE.start_main_~IN~0#1| (_ FloatingPoint 8 24))) (and (fp.gt |ULTIMATE.start_main_~IN~0#1| .cse0) (not (fp.leq (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| (fp.div roundNearestTiesToEven .cse1 .cse2)) (fp.div roundNearestTiesToEven .cse3 .cse4)) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|) .cse5)))) .cse6)) (fp.lt |ULTIMATE.start_main_~IN~0#1| .cse7))) (exists ((|ULTIMATE.start_main_~IN~0#1| (_ FloatingPoint 8 24))) (and (fp.gt |ULTIMATE.start_main_~IN~0#1| .cse0) (fp.lt |ULTIMATE.start_main_~IN~0#1| .cse7) (not (fp.geq (let ((.cse8 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (let ((.cse9 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse8 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~IN~0#1| (fp.div roundNearestTiesToEven .cse8 .cse2)) (fp.div roundNearestTiesToEven .cse9 .cse4)) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse9 |ULTIMATE.start_main_~IN~0#1|) |ULTIMATE.start_main_~IN~0#1|) .cse5)))) (fp.neg .cse6)))))))) is different from true [2022-11-18 20:33:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:33:01,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:33:01,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:33:01,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189706133] [2022-11-18 20:33:01,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189706133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:01,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:01,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:33:01,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079695507] [2022-11-18 20:33:01,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:01,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:33:01,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:33:01,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:33:01,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=13, Unknown=7, NotChecked=8, Total=42 [2022-11-18 20:33:01,434 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-11-18 20:33:04,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:04,707 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-11-18 20:33:05,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:33:05,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 6 [2022-11-18 20:33:05,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:05,056 INFO L225 Difference]: With dead ends: 7 [2022-11-18 20:33:05,056 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:33:05,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.6s TimeCoverageRelationStatistics Valid=14, Invalid=13, Unknown=7, NotChecked=8, Total=42 [2022-11-18 20:33:05,058 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:05,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 7 Unchecked, 3.3s Time] [2022-11-18 20:33:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:33:05,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:33:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-18 20:33:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:33:05,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-18 20:33:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:05,060 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:33:05,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-11-18 20:33:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:33:05,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:33:05,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:33:05,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:33:05,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:33:05,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:33:05,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:33:05,276 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:33:05,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:33:05,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:33:05,276 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-18 20:33:05,277 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2022-11-18 20:33:05,277 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 25) no Hoare annotation was computed. [2022-11-18 20:33:05,277 INFO L902 garLoopResultBuilder]: At program point L39(lines 27 40) the Hoare annotation is: true [2022-11-18 20:33:05,277 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-18 20:33:05,278 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-18 20:33:05,278 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2022-11-18 20:33:05,281 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:33:05,283 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:33:05,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:33:05 BoogieIcfgContainer [2022-11-18 20:33:05,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:33:05,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:33:05,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:33:05,294 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:33:05,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:02" (3/4) ... [2022-11-18 20:33:05,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:33:05,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-18 20:33:05,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 20:33:05,315 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:33:05,315 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:33:05,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:33:05,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:33:05,360 INFO L158 Benchmark]: Toolchain (without parser) took 725792.42ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 45.1MB in the beginning and 54.3MB in the end (delta: -9.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-18 20:33:05,360 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:33:05,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.42ms. Allocated memory is still 65.0MB. Free memory was 44.9MB in the beginning and 48.6MB in the end (delta: -3.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:33:05,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.22ms. Allocated memory is still 65.0MB. Free memory was 48.4MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:33:05,361 INFO L158 Benchmark]: Boogie Preprocessor took 24.42ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:33:05,362 INFO L158 Benchmark]: RCFGBuilder took 2586.36ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 36.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:33:05,362 INFO L158 Benchmark]: TraceAbstraction took 722723.99ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 35.9MB in the beginning and 56.9MB in the end (delta: -20.9MB). Peak memory consumption was 117.0kB. Max. memory is 16.1GB. [2022-11-18 20:33:05,363 INFO L158 Benchmark]: Witness Printer took 65.82ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 54.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:33:05,366 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 65.0MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.42ms. Allocated memory is still 65.0MB. Free memory was 44.9MB in the beginning and 48.6MB in the end (delta: -3.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.22ms. Allocated memory is still 65.0MB. Free memory was 48.4MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.42ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2586.36ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 36.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 722723.99ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 35.9MB in the beginning and 56.9MB in the end (delta: -20.9MB). Peak memory consumption was 117.0kB. Max. memory is 16.1GB. * Witness Printer took 65.82ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 54.3MB in the end (delta: 2.6MB). 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 - PositiveResult [Line: 37]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 722.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 636.9s SatisfiabilityAnalysisTime, 81.5s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 2 QuantifiedInterpolants, 301 SizeOfPredicates, 6 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:33:05,609 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-18 20:33:05,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e2b09a-6bbe-4643-af0e-48d2bd2c7bd2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE