./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3 --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 853868a88f6c6643cd6d627e66ad7d81e22e5804 ............................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3 --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 853868a88f6c6643cd6d627e66ad7d81e22e5804 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:40:00,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:40:00,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:40:00,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:40:00,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:40:00,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:40:00,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:40:00,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:40:00,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:40:00,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:40:00,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:40:00,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:40:00,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:40:00,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:40:00,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:40:00,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:40:00,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:40:00,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:40:00,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:40:00,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:40:00,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:40:00,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:40:00,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:40:00,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:40:00,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:40:00,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:40:00,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:40:00,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:40:00,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:40:00,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:40:00,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:40:00,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:40:00,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:40:00,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:40:00,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:40:00,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:40:00,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:40:00,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:40:00,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:40:00,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:40:00,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:40:00,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:40:01,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:40:01,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:40:01,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:40:01,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:40:01,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:40:01,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:40:01,028 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:40:01,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:40:01,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:40:01,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:40:01,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:40:01,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:40:01,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:40:01,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:40:01,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:40:01,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:40:01,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:40:01,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:40:01,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:40:01,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:40:01,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:40:01,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:40:01,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:01,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:40:01,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:40:01,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:40:01,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:40:01,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:40:01,035 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:40:01,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:40:01,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:40:01,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:40:01,035 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_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 853868a88f6c6643cd6d627e66ad7d81e22e5804 [2021-10-15 19:40:01,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:40:01,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:40:01,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:40:01,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:40:01,315 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:40:01,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2021-10-15 19:40:01,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/6d4234205/8c2d6b16c3e24b2f87ee03afc8a9455b/FLAG4524b0751 [2021-10-15 19:40:01,836 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:40:01,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/sv-benchmarks/c/floats-cdfpl/sine_1.i [2021-10-15 19:40:01,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/6d4234205/8c2d6b16c3e24b2f87ee03afc8a9455b/FLAG4524b0751 [2021-10-15 19:40:02,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/6d4234205/8c2d6b16c3e24b2f87ee03afc8a9455b [2021-10-15 19:40:02,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:40:02,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:40:02,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:02,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:40:02,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:40:02,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d275e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02, skipping insertion in model container [2021-10-15 19:40:02,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:40:02,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:40:02,422 WARN L228 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_f5990918-995a-47d4-a0d4-578eb0d6e30c/sv-benchmarks/c/floats-cdfpl/sine_1.i[1143,1156] [2021-10-15 19:40:02,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:02,454 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:40:02,476 WARN L228 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_f5990918-995a-47d4-a0d4-578eb0d6e30c/sv-benchmarks/c/floats-cdfpl/sine_1.i[1143,1156] [2021-10-15 19:40:02,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:02,494 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:40:02,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02 WrapperNode [2021-10-15 19:40:02,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:02,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:02,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:40:02,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:40:02,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:02,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:40:02,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:40:02,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:40:02,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:40:02,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:40:02,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:40:02,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:40:02,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (1/1) ... [2021-10-15 19:40:02,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:40:02,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:40:02,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:40:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:40:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:40:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:40:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:40:02,775 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:40:02,775 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-15 19:40:02,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:02 BoogieIcfgContainer [2021-10-15 19:40:02,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:40:02,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:40:02,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:40:02,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:40:02,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:40:02" (1/3) ... [2021-10-15 19:40:02,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1113cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:02, skipping insertion in model container [2021-10-15 19:40:02,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:02" (2/3) ... [2021-10-15 19:40:02,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1113cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:02, skipping insertion in model container [2021-10-15 19:40:02,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:02" (3/3) ... [2021-10-15 19:40:02,786 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_1.i [2021-10-15 19:40:02,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:40:02,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:40:02,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:40:02,841 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:40:02,841 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:40:02,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:02,873 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-10-15 19:40:02,873 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:02,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 12 events. 2/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:40:02,875 INFO L82 GeneralOperation]: Start removeDead. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:02,879 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 7 places, 7 transitions, 14 flow [2021-10-15 19:40:02,881 INFO L129 PetriNetUnfolder]: 1/6 cut-off events. [2021-10-15 19:40:02,882 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:02,882 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:40:02,883 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:40:02,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:40:02,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:40:02,889 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-15 19:40:02,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:40:02,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876175693] [2021-10-15 19:40:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:40:02,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:40:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:40:02,984 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:40:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:40:03,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:40:03,028 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:40:03,029 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:40:03,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:40:03,037 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:40:03,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:40:03 BoogieIcfgContainer [2021-10-15 19:40:03,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:40:03,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:40:03,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:40:03,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:40:03,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:02" (3/4) ... [2021-10-15 19:40:03,057 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:40:03,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:40:03,059 INFO L168 Benchmark]: Toolchain (without parser) took 835.62 ms. Allocated memory is still 100.7 MB. Free memory was 59.0 MB in the beginning and 49.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:03,060 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory was 75.1 MB in the beginning and 75.0 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:40:03,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.54 ms. Allocated memory is still 100.7 MB. Free memory was 58.8 MB in the beginning and 75.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:03,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.84 ms. Allocated memory is still 100.7 MB. Free memory was 75.3 MB in the beginning and 73.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:03,063 INFO L168 Benchmark]: Boogie Preprocessor took 19.14 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 73.0 MB in the end (delta: 926.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:40:03,063 INFO L168 Benchmark]: RCFGBuilder took 231.71 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 64.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:03,064 INFO L168 Benchmark]: TraceAbstraction took 273.68 ms. Allocated memory is still 100.7 MB. Free memory was 63.5 MB in the beginning and 49.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:03,065 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 100.7 MB. Free memory was 49.4 MB in the beginning and 49.1 MB in the end (delta: 332.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:03,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory was 75.1 MB in the beginning and 75.0 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.54 ms. Allocated memory is still 100.7 MB. Free memory was 58.8 MB in the beginning and 75.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.84 ms. Allocated memory is still 100.7 MB. Free memory was 75.3 MB in the beginning and 73.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.14 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 73.0 MB in the end (delta: 926.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 231.71 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 64.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 273.68 ms. Allocated memory is still 100.7 MB. Free memory was 63.5 MB in the beginning and 49.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.36 ms. Allocated memory is still 100.7 MB. Free memory was 49.4 MB in the beginning and 49.1 MB in the end (delta: 332.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 28]: 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 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 25. Possible FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 0.99 && result >= -0.99) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 206.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.6ms SsaConstructionTime, 31.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:40:03,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:40:05,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:40:05,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:40:05,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:40:05,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:40:05,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:40:05,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:40:05,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:40:05,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:40:05,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:40:05,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:40:05,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:40:05,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:40:05,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:40:05,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:40:05,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:40:05,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:40:05,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:40:05,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:40:05,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:40:05,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:40:05,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:40:05,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:40:05,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:40:05,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:40:05,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:40:05,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:40:05,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:40:05,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:40:05,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:40:05,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:40:05,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:40:05,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:40:05,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:40:05,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:40:05,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:40:05,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:40:05,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:40:05,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:40:05,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:40:05,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:40:05,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:40:05,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:40:05,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:40:05,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:40:05,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:40:05,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:40:05,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:40:05,725 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:40:05,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:40:05,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:40:05,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:40:05,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:40:05,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:40:05,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:40:05,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:40:05,728 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:40:05,728 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:40:05,728 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:40:05,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:40:05,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:40:05,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:40:05,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:40:05,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:40:05,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:40:05,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:05,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:40:05,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:40:05,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:40:05,731 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:40:05,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:40:05,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:40:05,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:40:05,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:40:05,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:40:05,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:40:05,733 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_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 853868a88f6c6643cd6d627e66ad7d81e22e5804 [2021-10-15 19:40:06,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:40:06,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:40:06,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:40:06,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:40:06,163 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:40:06,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2021-10-15 19:40:06,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/b74d966a5/2a704e5072254f8b90babada74fddded/FLAG7b30374de [2021-10-15 19:40:06,797 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:40:06,798 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/sv-benchmarks/c/floats-cdfpl/sine_1.i [2021-10-15 19:40:06,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/b74d966a5/2a704e5072254f8b90babada74fddded/FLAG7b30374de [2021-10-15 19:40:07,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/data/b74d966a5/2a704e5072254f8b90babada74fddded [2021-10-15 19:40:07,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:40:07,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:40:07,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:07,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:40:07,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:40:07,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520554a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07, skipping insertion in model container [2021-10-15 19:40:07,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:40:07,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:40:07,426 WARN L228 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_f5990918-995a-47d4-a0d4-578eb0d6e30c/sv-benchmarks/c/floats-cdfpl/sine_1.i[1143,1156] [2021-10-15 19:40:07,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:07,448 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:40:07,477 WARN L228 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_f5990918-995a-47d4-a0d4-578eb0d6e30c/sv-benchmarks/c/floats-cdfpl/sine_1.i[1143,1156] [2021-10-15 19:40:07,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:07,513 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:40:07,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07 WrapperNode [2021-10-15 19:40:07,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:07,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:07,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:40:07,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:40:07,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:07,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:40:07,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:40:07,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:40:07,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:40:07,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:40:07,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:40:07,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:40:07,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (1/1) ... [2021-10-15 19:40:07,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:07,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:40:07,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:40:07,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:40:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:40:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:40:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:40:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:40:10,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:40:10,248 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-15 19:40:10,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:10 BoogieIcfgContainer [2021-10-15 19:40:10,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:40:10,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:40:10,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:40:10,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:40:10,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:40:07" (1/3) ... [2021-10-15 19:40:10,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a94d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:10, skipping insertion in model container [2021-10-15 19:40:10,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:07" (2/3) ... [2021-10-15 19:40:10,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a94d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:10, skipping insertion in model container [2021-10-15 19:40:10,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:10" (3/3) ... [2021-10-15 19:40:10,257 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_1.i [2021-10-15 19:40:10,262 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:40:10,262 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:40:10,303 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:40:10,310 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:40:10,310 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:40:10,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:10,339 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-10-15 19:40:10,339 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:10,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 12 events. 2/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:40:10,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:10,345 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 7 places, 7 transitions, 14 flow [2021-10-15 19:40:10,348 INFO L129 PetriNetUnfolder]: 1/6 cut-off events. [2021-10-15 19:40:10,348 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:10,348 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:40:10,349 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:40:10,350 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:40:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:40:10,368 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-15 19:40:10,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:40:10,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19622683] [2021-10-15 19:40:10,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:40:10,382 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:40:10,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:40:10,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:40:10,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:41:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:41:11,387 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:41:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:41:23,469 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-15 19:41:23,471 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:41:23,472 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:41:23,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-15 19:41:23,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:41:23,681 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:41:23,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:41:23 BoogieIcfgContainer [2021-10-15 19:41:23,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:41:23,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:41:23,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:41:23,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:41:23,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:10" (3/4) ... [2021-10-15 19:41:23,710 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-15 19:41:23,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:41:23,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:41:23,784 INFO L168 Benchmark]: Toolchain (without parser) took 76537.67 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.3 MB in the beginning and 43.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:23,785 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:23,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.35 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 34.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:23,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.50 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 32.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:41:23,790 INFO L168 Benchmark]: Boogie Preprocessor took 34.96 ms. Allocated memory is still 52.4 MB. Free memory was 32.9 MB in the beginning and 31.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:23,794 INFO L168 Benchmark]: RCFGBuilder took 2645.77 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 31.7 MB in the beginning and 42.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:23,795 INFO L168 Benchmark]: TraceAbstraction took 73449.57 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 29.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:23,795 INFO L168 Benchmark]: Witness Printer took 80.33 ms. Allocated memory is still 62.9 MB. Free memory was 29.3 MB in the beginning and 43.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:41:23,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.35 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 34.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.50 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 32.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.96 ms. Allocated memory is still 52.4 MB. Free memory was 32.9 MB in the beginning and 31.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2645.77 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 31.7 MB in the beginning and 42.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 73449.57 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 29.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 80.33 ms. Allocated memory is still 62.9 MB. Free memory was 29.3 MB in the beginning and 43.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 28]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 0.99 && result >= -0.99) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 73379.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.5ms SsaConstructionTime, 60954.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-15 19:41:23,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5990918-995a-47d4-a0d4-578eb0d6e30c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...