./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R --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 bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 --- 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-38b53e6 [2022-11-25 15:53:02,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:53:02,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:53:02,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:53:02,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:53:02,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:53:02,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:53:02,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:53:02,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:53:02,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:53:02,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:53:02,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:53:02,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:53:02,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:53:02,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:53:02,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:53:02,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:53:02,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:53:02,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:53:02,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:53:02,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:53:02,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:53:02,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:53:02,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:53:02,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:53:02,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:53:02,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:53:02,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:53:02,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:53:02,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:53:02,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:53:02,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:53:02,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:53:02,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:53:02,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:53:02,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:53:02,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:53:02,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:53:02,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:53:02,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:53:02,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:53:02,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 15:53:02,458 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:53:02,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:53:02,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:53:02,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:53:02,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:53:02,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:53:02,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:53:02,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:53:02,463 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:53:02,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:53:02,465 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:53:02,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:53:02,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:53:02,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:53:02,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:53:02,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:53:02,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:53:02,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:53:02,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:53:02,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:53:02,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:53:02,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:53:02,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:53:02,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:53:02,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:53:02,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:53:02,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:53:02,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:53:02,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:53:02,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:53:02,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:53:02,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:53:02,471 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:53:02,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:53:02,471 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 [2022-11-25 15:53:02,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:53:02,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:53:02,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:53:02,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:53:02,882 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:53:02,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-11-25 15:53:06,557 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:53:06,810 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:53:06,811 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-11-25 15:53:06,819 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data/52ee26279/7676fa21fb7146f686ac5f2ed7384fba/FLAGe954bce69 [2022-11-25 15:53:06,853 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data/52ee26279/7676fa21fb7146f686ac5f2ed7384fba [2022-11-25 15:53:06,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:53:06,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:53:06,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:53:06,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:53:06,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:53:06,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:53:06" (1/1) ... [2022-11-25 15:53:06,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ed1b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:06, skipping insertion in model container [2022-11-25 15:53:06,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:53:06" (1/1) ... [2022-11-25 15:53:06,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:53:06,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:53:07,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-11-25 15:53:07,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:53:07,189 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:53:07,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-11-25 15:53:07,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:53:07,238 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:53:07,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07 WrapperNode [2022-11-25 15:53:07,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:53:07,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:53:07,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:53:07,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:53:07,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,281 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-11-25 15:53:07,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:53:07,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:53:07,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:53:07,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:53:07,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:53:07,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:53:07,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:53:07,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:53:07,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:53:07,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:07,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:53:07,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:53:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:53:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:53:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:53:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:53:07,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:53:07,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:53:07,679 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:53:07,686 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:53:07,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:53:07,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:07 BoogieIcfgContainer [2022-11-25 15:53:07,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:53:07,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:53:07,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:53:07,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:53:07,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:53:06" (1/3) ... [2022-11-25 15:53:07,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cac43ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:53:07, skipping insertion in model container [2022-11-25 15:53:07,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07" (2/3) ... [2022-11-25 15:53:07,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cac43ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:53:07, skipping insertion in model container [2022-11-25 15:53:07,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:07" (3/3) ... [2022-11-25 15:53:07,721 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_7.i [2022-11-25 15:53:07,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:53:07,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:53:07,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:53:07,860 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;@6ec0cde2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:53:07,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:53:07,866 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) [2022-11-25 15:53:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:53:07,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:07,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:53:07,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:07,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:07,882 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-11-25 15:53:07,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:07,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796411041] [2022-11-25 15:53:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:53:08,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:08,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796411041] [2022-11-25 15:53:08,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796411041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:08,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:08,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:08,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144168283] [2022-11-25 15:53:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:08,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:53:08,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:08,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:53:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:53:08,183 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) [2022-11-25 15:53:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:08,200 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-25 15:53:08,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:53:08,203 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 [2022-11-25 15:53:08,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:08,212 INFO L225 Difference]: With dead ends: 19 [2022-11-25 15:53:08,212 INFO L226 Difference]: Without dead ends: 7 [2022-11-25 15:53:08,216 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 [2022-11-25 15:53:08,221 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 [2022-11-25 15:53:08,224 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] [2022-11-25 15:53:08,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-25 15:53:08,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-25 15:53:08,265 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) [2022-11-25 15:53:08,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-11-25 15:53:08,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-11-25 15:53:08,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:08,269 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-11-25 15:53:08,270 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) [2022-11-25 15:53:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-25 15:53:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:53:08,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:08,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:53:08,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:53:08,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:08,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:08,274 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-11-25 15:53:08,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:08,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807047039] [2022-11-25 15:53:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:08,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:53:08,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:53:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:53:08,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:53:08,376 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:53:08,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 15:53:08,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:53:08,388 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 15:53:08,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:53:08,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:53:08 BoogieIcfgContainer [2022-11-25 15:53:08,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:53:08,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:53:08,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:53:08,436 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:53:08,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:07" (3/4) ... [2022-11-25 15:53:08,442 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:53:08,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:53:08,444 INFO L158 Benchmark]: Toolchain (without parser) took 1581.82ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 134.7MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:08,445 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:08,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.61ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 118.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:53:08,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.95ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 117.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:53:08,452 INFO L158 Benchmark]: Boogie Preprocessor took 41.97ms. Allocated memory is still 174.1MB. Free memory was 117.5MB in the beginning and 116.8MB in the end (delta: 643.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:08,457 INFO L158 Benchmark]: RCFGBuilder took 370.79ms. Allocated memory is still 174.1MB. Free memory was 116.8MB in the beginning and 107.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:53:08,457 INFO L158 Benchmark]: TraceAbstraction took 735.15ms. Allocated memory is still 174.1MB. Free memory was 107.0MB in the beginning and 135.8MB in the end (delta: -28.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:08,458 INFO L158 Benchmark]: Witness Printer took 7.81ms. Allocated memory is still 174.1MB. Free memory was 135.8MB in the beginning and 134.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:08,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.61ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 118.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.95ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 117.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.97ms. Allocated memory is still 174.1MB. Free memory was 117.5MB in the beginning and 116.8MB in the end (delta: 643.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.79ms. Allocated memory is still 174.1MB. Free memory was 116.8MB in the beginning and 107.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 735.15ms. Allocated memory is still 174.1MB. Free memory was 107.0MB in the beginning and 135.8MB in the end (delta: -28.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.81ms. Allocated memory is still 174.1MB. Free memory was 135.8MB in the beginning and 134.7MB in the end (delta: 1.0MB). 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 <= 1.5f && result >= -1.5f) 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: 0.6s, 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, 0.1s 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 [2022-11-25 15:53:08,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R --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 bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 --- 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-38b53e6 [2022-11-25 15:53:11,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:53:11,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:53:11,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:53:11,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:53:11,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:53:11,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:53:11,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:53:11,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:53:11,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:53:11,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:53:11,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:53:11,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:53:11,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:53:11,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:53:11,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:53:11,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:53:11,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:53:11,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:53:11,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:53:11,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:53:11,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:53:11,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:53:11,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:53:11,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:53:11,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:53:11,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:53:11,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:53:11,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:53:11,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:53:11,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:53:11,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:53:11,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:53:11,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:53:11,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:53:11,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:53:11,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:53:11,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:53:11,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:53:11,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:53:11,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:53:11,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-25 15:53:11,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:53:11,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:53:11,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:53:11,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:53:11,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:53:11,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:53:11,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:53:11,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:53:11,720 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:53:11,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:53:11,722 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:53:11,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:53:11,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:53:11,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:53:11,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:53:11,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:53:11,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:53:11,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:53:11,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:53:11,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:53:11,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:53:11,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:53:11,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:53:11,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:53:11,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:53:11,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:53:11,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:53:11,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:53:11,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:53:11,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:53:11,728 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:53:11,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:53:11,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:53:11,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:53:11,729 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:53:11,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:53:11,729 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:53:11,730 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 [2022-11-25 15:53:12,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:53:12,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:53:12,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:53:12,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:53:12,209 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:53:12,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-11-25 15:53:15,836 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:53:16,138 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:53:16,139 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-11-25 15:53:16,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data/66387d100/7329061d7c784ece986a3f0077dd35c0/FLAG9506388ec [2022-11-25 15:53:16,191 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/data/66387d100/7329061d7c784ece986a3f0077dd35c0 [2022-11-25 15:53:16,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:53:16,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:53:16,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:53:16,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:53:16,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:53:16,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0951af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16, skipping insertion in model container [2022-11-25 15:53:16,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:53:16,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:53:16,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-11-25 15:53:16,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:53:16,559 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:53:16,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-11-25 15:53:16,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:53:16,622 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:53:16,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16 WrapperNode [2022-11-25 15:53:16,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:53:16,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:53:16,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:53:16,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:53:16,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,690 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-11-25 15:53:16,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:53:16,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:53:16,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:53:16,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:53:16,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:53:16,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:53:16,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:53:16,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:53:16,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (1/1) ... [2022-11-25 15:53:16,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:53:16,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:16,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:53:16,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:53:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:53:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 15:53:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:53:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:53:16,985 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:53:16,988 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:53:19,547 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:53:19,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:53:19,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:53:19,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:19 BoogieIcfgContainer [2022-11-25 15:53:19,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:53:19,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:53:19,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:53:19,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:53:19,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:53:16" (1/3) ... [2022-11-25 15:53:19,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5f3264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:53:19, skipping insertion in model container [2022-11-25 15:53:19,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:16" (2/3) ... [2022-11-25 15:53:19,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5f3264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:53:19, skipping insertion in model container [2022-11-25 15:53:19,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:19" (3/3) ... [2022-11-25 15:53:19,584 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_7.i [2022-11-25 15:53:19,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:53:19,609 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:53:19,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:53:19,692 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;@77712cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:53:19,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:53:19,697 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) [2022-11-25 15:53:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:53:19,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:19,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:53:19,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:19,710 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-11-25 15:53:19,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:53:19,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923504165] [2022-11-25 15:53:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:53:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:53:19,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:53:19,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:53:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:20,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 15:53:20,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:53:20,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:20,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:53:20,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923504165] [2022-11-25 15:53:20,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923504165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:20,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:20,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:20,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601277120] [2022-11-25 15:53:20,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:20,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:53:20,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:53:20,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:53:20,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:53:20,645 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) [2022-11-25 15:53:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:20,663 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-25 15:53:20,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:53:20,665 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 [2022-11-25 15:53:20,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:20,675 INFO L225 Difference]: With dead ends: 19 [2022-11-25 15:53:20,675 INFO L226 Difference]: Without dead ends: 7 [2022-11-25 15:53:20,679 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 [2022-11-25 15:53:20,689 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 [2022-11-25 15:53:20,692 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] [2022-11-25 15:53:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-25 15:53:20,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-25 15:53:20,727 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) [2022-11-25 15:53:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-11-25 15:53:20,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-11-25 15:53:20,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:20,731 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-11-25 15:53:20,740 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) [2022-11-25 15:53:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-25 15:53:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:53:20,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:20,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:53:20,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:53:20,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:53:20,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:20,966 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-11-25 15:53:20,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:53:20,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812504554] [2022-11-25 15:53:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:20,967 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 [2022-11-25 15:53:20,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:53:20,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:53:20,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c728d835-4705-4745-a6db-484836ccf635/bin/uautomizer-ZsLfNo2U6R/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