./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa --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 0c9697f45cc32d075257857f43d72c99135dfd2f2be073758d08f7fd72ff6fcb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:01:32,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:01:32,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:01:32,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:01:32,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:01:32,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:01:32,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:01:32,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:01:32,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:01:32,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:01:32,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:01:32,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:01:32,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:01:32,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:01:32,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:01:32,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:01:32,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:01:32,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:01:32,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:01:32,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:01:32,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:01:32,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:01:32,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:01:32,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:01:32,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:01:32,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:01:32,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:01:32,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:01:32,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:01:32,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:01:32,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:01:32,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:01:32,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:01:32,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:01:32,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:01:32,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:01:32,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:01:32,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:01:32,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:01:32,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:01:32,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:01:32,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:01:32,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:01:32,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:01:32,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:01:32,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:01:32,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:01:32,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:01:32,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:01:32,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:01:32,176 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:01:32,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:01:32,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:01:32,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:01:32,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:01:32,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:01:32,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:01:32,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:01:32,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:01:32,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:01:32,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:01:32,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:01:32,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:01:32,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:01:32,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:01:32,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:01:32,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:01:32,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:01:32,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:01:32,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:01:32,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:01:32,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:01:32,180 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:01:32,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:01:32,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:01:32,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:01:32,180 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_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9697f45cc32d075257857f43d72c99135dfd2f2be073758d08f7fd72ff6fcb [2021-12-07 00:01:32,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:01:32,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:01:32,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:01:32,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:01:32,389 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:01:32,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/floats-cdfpl/sine_4.i [2021-12-07 00:01:32,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/d49e3b80b/2c1f845b667d4e12885d32bb78a39594/FLAGf2b472abf [2021-12-07 00:01:32,799 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:01:32,799 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/sv-benchmarks/c/floats-cdfpl/sine_4.i [2021-12-07 00:01:32,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/d49e3b80b/2c1f845b667d4e12885d32bb78a39594/FLAGf2b472abf [2021-12-07 00:01:32,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/d49e3b80b/2c1f845b667d4e12885d32bb78a39594 [2021-12-07 00:01:32,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:01:32,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:01:32,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:01:32,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:01:32,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:01:32,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:32,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56828608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32, skipping insertion in model container [2021-12-07 00:01:32,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:32,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:01:32,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:01:32,954 WARN L230 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_221d3ca2-8d54-402b-ac71-6c459af46d66/sv-benchmarks/c/floats-cdfpl/sine_4.i[1643,1656] [2021-12-07 00:01:32,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:01:32,965 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:01:32,979 WARN L230 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_221d3ca2-8d54-402b-ac71-6c459af46d66/sv-benchmarks/c/floats-cdfpl/sine_4.i[1643,1656] [2021-12-07 00:01:32,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:01:32,990 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:01:32,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32 WrapperNode [2021-12-07 00:01:32,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:01:32,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:01:32,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:01:32,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:01:32,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,013 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2021-12-07 00:01:33,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:01:33,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:01:33,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:01:33,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:01:33,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:01:33,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:01:33,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:01:33,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:01:33,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (1/1) ... [2021-12-07 00:01:33,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:01:33,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:01:33,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:01:33,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:01:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:01:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:01:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:01:33,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:01:33,130 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:01:33,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:01:33,185 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:01:33,189 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:01:33,189 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:01:33,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:33 BoogieIcfgContainer [2021-12-07 00:01:33,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:01:33,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:01:33,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:01:33,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:01:33,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:01:32" (1/3) ... [2021-12-07 00:01:33,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9a1a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:33, skipping insertion in model container [2021-12-07 00:01:33,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:32" (2/3) ... [2021-12-07 00:01:33,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9a1a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:33, skipping insertion in model container [2021-12-07 00:01:33,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:33" (3/3) ... [2021-12-07 00:01:33,196 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_4.i [2021-12-07 00:01:33,200 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:01:33,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:01:33,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:01:33,242 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, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:01:33,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:01:33,253 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) [2021-12-07 00:01:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-07 00:01:33,258 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:33,259 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:01:33,259 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:01:33,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:33,265 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-12-07 00:01:33,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:33,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986188558] [2021-12-07 00:01:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:33,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:01:33,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:33,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986188558] [2021-12-07 00:01:33,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986188558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:33,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:33,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:01:33,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603298409] [2021-12-07 00:01:33,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:33,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:01:33,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:33,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:01:33,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:01:33,438 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) [2021-12-07 00:01:33,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:33,451 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-12-07 00:01:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:01:33,453 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 [2021-12-07 00:01:33,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:33,460 INFO L225 Difference]: With dead ends: 19 [2021-12-07 00:01:33,461 INFO L226 Difference]: Without dead ends: 7 [2021-12-07 00:01:33,463 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:01:33,467 INFO L933 BasicCegarLoop]: 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 [2021-12-07 00:01:33,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:01:33,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-12-07 00:01:33,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-12-07 00:01:33,495 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) [2021-12-07 00:01:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-12-07 00:01:33,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-12-07 00:01:33,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:33,497 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-12-07 00:01:33,497 INFO L471 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) [2021-12-07 00:01:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-12-07 00:01:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-07 00:01:33,498 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:33,498 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:01:33,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:01:33,498 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:01:33,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:33,499 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-12-07 00:01:33,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:33,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276493502] [2021-12-07 00:01:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:33,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:01:33,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:01:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:01:33,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:01:33,535 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:01:33,536 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:01:33,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:01:33,540 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 00:01:33,542 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:01:33,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:01:33 BoogieIcfgContainer [2021-12-07 00:01:33,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:01:33,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:01:33,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:01:33,557 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:01:33,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:33" (3/4) ... [2021-12-07 00:01:33,560 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:01:33,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:01:33,561 INFO L158 Benchmark]: Toolchain (without parser) took 744.86ms. Allocated memory is still 146.8MB. Free memory was 107.7MB in the beginning and 87.4MB in the end (delta: 20.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-12-07 00:01:33,561 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:01:33,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.25ms. Allocated memory is still 146.8MB. Free memory was 107.3MB in the beginning and 120.9MB in the end (delta: -13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:01:33,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.72ms. Allocated memory is still 146.8MB. Free memory was 120.9MB in the beginning and 119.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:01:33,563 INFO L158 Benchmark]: Boogie Preprocessor took 12.48ms. Allocated memory is still 146.8MB. Free memory was 119.5MB in the beginning and 118.8MB in the end (delta: 708.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:01:33,563 INFO L158 Benchmark]: RCFGBuilder took 163.42ms. Allocated memory is still 146.8MB. Free memory was 118.8MB in the beginning and 109.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:01:33,564 INFO L158 Benchmark]: TraceAbstraction took 364.91ms. Allocated memory is still 146.8MB. Free memory was 109.1MB in the beginning and 87.4MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-07 00:01:33,564 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 146.8MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:01:33,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.25ms. Allocated memory is still 146.8MB. Free memory was 107.3MB in the beginning and 120.9MB in the end (delta: -13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.72ms. Allocated memory is still 146.8MB. Free memory was 120.9MB in the beginning and 119.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.48ms. Allocated memory is still 146.8MB. Free memory was 119.5MB in the beginning and 118.8MB in the end (delta: 708.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 163.42ms. Allocated memory is still 146.8MB. Free memory was 118.8MB in the beginning and 109.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 364.91ms. Allocated memory is still 146.8MB. Free memory was 109.1MB in the beginning and 87.4MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 146.8MB. Free memory is still 87.4MB. 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=49, x=49] [L36] COND TRUE !(result <= 1.01f && result >= -1.01f) VAL [IN=49, x=49] [L37] reach_error() VAL [IN=49, x=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-07 00:01:33,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa --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 0c9697f45cc32d075257857f43d72c99135dfd2f2be073758d08f7fd72ff6fcb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:01:35,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:01:35,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:01:35,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:01:35,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:01:35,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:01:35,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:01:35,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:01:35,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:01:35,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:01:35,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:01:35,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:01:35,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:01:35,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:01:35,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:01:35,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:01:35,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:01:35,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:01:35,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:01:35,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:01:35,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:01:35,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:01:35,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:01:35,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:01:35,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:01:35,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:01:35,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:01:35,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:01:35,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:01:35,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:01:35,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:01:35,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:01:35,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:01:35,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:01:35,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:01:35,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:01:35,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:01:35,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:01:35,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:01:35,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:01:35,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:01:35,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-07 00:01:35,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:01:35,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:01:35,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:01:35,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:01:35,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:01:35,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:01:35,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:01:35,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:01:35,380 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:01:35,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:01:35,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:01:35,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:01:35,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:01:35,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:01:35,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:01:35,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:01:35,381 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 00:01:35,382 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 00:01:35,382 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 00:01:35,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:01:35,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:01:35,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:01:35,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:01:35,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:01:35,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:01:35,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:01:35,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:01:35,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:01:35,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:01:35,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:01:35,384 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 00:01:35,385 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 00:01:35,385 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:01:35,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:01:35,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:01:35,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:01:35,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 00:01:35,386 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_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9697f45cc32d075257857f43d72c99135dfd2f2be073758d08f7fd72ff6fcb [2021-12-07 00:01:35,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:01:35,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:01:35,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:01:35,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:01:35,642 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:01:35,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/floats-cdfpl/sine_4.i [2021-12-07 00:01:35,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/5f18a1c73/c17d71348d60410ea5c423f5c6eca16a/FLAG53b3cbf3e [2021-12-07 00:01:36,057 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:01:36,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/sv-benchmarks/c/floats-cdfpl/sine_4.i [2021-12-07 00:01:36,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/5f18a1c73/c17d71348d60410ea5c423f5c6eca16a/FLAG53b3cbf3e [2021-12-07 00:01:36,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/data/5f18a1c73/c17d71348d60410ea5c423f5c6eca16a [2021-12-07 00:01:36,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:01:36,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:01:36,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:01:36,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:01:36,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:01:36,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f9d2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36, skipping insertion in model container [2021-12-07 00:01:36,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:01:36,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:01:36,220 WARN L230 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_221d3ca2-8d54-402b-ac71-6c459af46d66/sv-benchmarks/c/floats-cdfpl/sine_4.i[1643,1656] [2021-12-07 00:01:36,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:01:36,232 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:01:36,244 WARN L230 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_221d3ca2-8d54-402b-ac71-6c459af46d66/sv-benchmarks/c/floats-cdfpl/sine_4.i[1643,1656] [2021-12-07 00:01:36,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:01:36,259 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:01:36,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36 WrapperNode [2021-12-07 00:01:36,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:01:36,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:01:36,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:01:36,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:01:36,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,299 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2021-12-07 00:01:36,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:01:36,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:01:36,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:01:36,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:01:36,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:01:36,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:01:36,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:01:36,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:01:36,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (1/1) ... [2021-12-07 00:01:36,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:01:36,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:01:36,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:01:36,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:01:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:01:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 00:01:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:01:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:01:36,449 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:01:36,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:01:38,769 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:01:38,775 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:01:38,776 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:01:38,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:38 BoogieIcfgContainer [2021-12-07 00:01:38,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:01:38,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:01:38,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:01:38,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:01:38,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:01:36" (1/3) ... [2021-12-07 00:01:38,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3c07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:38, skipping insertion in model container [2021-12-07 00:01:38,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:36" (2/3) ... [2021-12-07 00:01:38,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3c07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:38, skipping insertion in model container [2021-12-07 00:01:38,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:38" (3/3) ... [2021-12-07 00:01:38,787 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_4.i [2021-12-07 00:01:38,793 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:01:38,793 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:01:38,831 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:01:38,837 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, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:01:38,838 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:01:38,849 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) [2021-12-07 00:01:38,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-07 00:01:38,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:38,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:01:38,855 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:01:38,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:38,860 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-12-07 00:01:38,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:01:38,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903119068] [2021-12-07 00:01:38,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:38,871 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:01:38,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:01:38,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:01:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 00:01:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:39,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-07 00:01:39,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:01:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:01:39,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:01:39,397 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:01:39,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903119068] [2021-12-07 00:01:39,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903119068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:39,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:39,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:01:39,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126530994] [2021-12-07 00:01:39,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:39,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:01:39,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:01:39,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:01:39,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:01:39,424 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) [2021-12-07 00:01:39,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:39,436 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-12-07 00:01:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:01:39,438 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 [2021-12-07 00:01:39,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:39,443 INFO L225 Difference]: With dead ends: 19 [2021-12-07 00:01:39,443 INFO L226 Difference]: Without dead ends: 7 [2021-12-07 00:01:39,445 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:01:39,447 INFO L933 BasicCegarLoop]: 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 [2021-12-07 00:01:39,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:01:39,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-12-07 00:01:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-12-07 00:01:39,467 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) [2021-12-07 00:01:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-12-07 00:01:39,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-12-07 00:01:39,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:39,468 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-12-07 00:01:39,468 INFO L471 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) [2021-12-07 00:01:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-12-07 00:01:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-07 00:01:39,468 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:39,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:01:39,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:01:39,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:01:39,671 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:01:39,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:39,673 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-12-07 00:01:39,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:01:39,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742424702] [2021-12-07 00:01:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:39,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:01:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:01:39,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:01:39,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221d3ca2-8d54-402b-ac71-6c459af46d66/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process