./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:42:07,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:42:07,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:42:07,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:42:07,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:42:07,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:42:07,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:42:07,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:42:07,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:42:07,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:42:07,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:42:07,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:42:07,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:42:07,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:42:07,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:42:07,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:42:07,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:42:07,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:42:07,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:42:07,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:42:07,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:42:07,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:42:07,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:42:07,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:42:07,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:42:07,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:42:07,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:42:07,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:42:07,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:42:07,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:42:07,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:42:07,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:42:07,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:42:07,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:42:07,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:42:07,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:42:07,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:42:07,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:42:07,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:42:07,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:42:07,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:42:07,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:42:07,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:42:07,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:42:07,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:42:07,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:42:07,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:42:07,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:42:07,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:42:07,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:42:07,285 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:42:07,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:42:07,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:42:07,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:42:07,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:42:07,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:42:07,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:42:07,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:42:07,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:42:07,287 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:42:07,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:42:07,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:42:07,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:42:07,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:42:07,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:42:07,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:42:07,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:42:07,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:42:07,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:42:07,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:42:07,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:42:07,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:42:07,289 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:42:07,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:42:07,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:42:07,290 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_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 [2022-11-18 19:42:07,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:42:07,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:42:07,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:42:07,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:42:07,641 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:42:07,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2022-11-18 19:42:07,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/313987aa2/437c8c43828845c9ab31dbf9f2b37771/FLAGa6a292f60 [2022-11-18 19:42:08,271 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:42:08,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2022-11-18 19:42:08,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/313987aa2/437c8c43828845c9ab31dbf9f2b37771/FLAGa6a292f60 [2022-11-18 19:42:08,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/313987aa2/437c8c43828845c9ab31dbf9f2b37771 [2022-11-18 19:42:08,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:42:08,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:42:08,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:08,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:42:08,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:42:08,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1c3e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08, skipping insertion in model container [2022-11-18 19:42:08,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:42:08,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:42:08,880 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2022-11-18 19:42:08,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:42:08,902 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:42:08,915 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2022-11-18 19:42:08,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:42:08,932 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:42:08,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08 WrapperNode [2022-11-18 19:42:08,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:08,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:42:08,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:42:08,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:42:08,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,966 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-11-18 19:42:08,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:42:08,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:42:08,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:42:08,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:42:08,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:08,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:42:08,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:42:08,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:42:08,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:42:09,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (1/1) ... [2022-11-18 19:42:09,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:42:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:09,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:42:09,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:42:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:42:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:42:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:42:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:42:09,152 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:42:09,154 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:42:09,248 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:42:09,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:42:09,255 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:42:09,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:09 BoogieIcfgContainer [2022-11-18 19:42:09,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:42:09,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:42:09,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:42:09,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:42:09,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:42:08" (1/3) ... [2022-11-18 19:42:09,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660bcb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:42:09, skipping insertion in model container [2022-11-18 19:42:09,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:08" (2/3) ... [2022-11-18 19:42:09,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660bcb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:42:09, skipping insertion in model container [2022-11-18 19:42:09,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:09" (3/3) ... [2022-11-18 19:42:09,274 INFO L112 eAbstractionObserver]: Analyzing ICFG Double_div_bad.i [2022-11-18 19:42:09,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:42:09,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:42:09,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:42:09,376 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3de59ae0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:42:09,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:42:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 19:42:09,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:09,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 19:42:09,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:42:09,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:09,397 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2022-11-18 19:42:09,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:09,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169488867] [2022-11-18 19:42:09,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:09,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:42:09,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:42:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:42:09,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:42:09,549 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:42:09,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:42:09,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:42:09,560 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 19:42:09,565 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:42:09,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:42:09 BoogieIcfgContainer [2022-11-18 19:42:09,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:42:09,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:42:09,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:42:09,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:42:09,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:09" (3/4) ... [2022-11-18 19:42:09,592 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:42:09,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:42:09,594 INFO L158 Benchmark]: Toolchain (without parser) took 968.84ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 95.9MB in the end (delta: 11.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-18 19:42:09,594 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:42:09,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.84ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 121.6MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:42:09,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.10ms. Allocated memory is still 144.7MB. Free memory was 121.6MB in the beginning and 120.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:42:09,596 INFO L158 Benchmark]: Boogie Preprocessor took 30.18ms. Allocated memory is still 144.7MB. Free memory was 120.3MB in the beginning and 118.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:42:09,597 INFO L158 Benchmark]: RCFGBuilder took 258.75ms. Allocated memory is still 144.7MB. Free memory was 118.9MB in the beginning and 109.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:42:09,598 INFO L158 Benchmark]: TraceAbstraction took 327.01ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 96.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:42:09,599 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:42:09,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.84ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 121.6MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.10ms. Allocated memory is still 144.7MB. Free memory was 121.6MB in the beginning and 120.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.18ms. Allocated memory is still 144.7MB. Free memory was 120.3MB in the beginning and 118.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.75ms. Allocated memory is still 144.7MB. Free memory was 118.9MB 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 327.01ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 96.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L20] double x = 1.0; [L21] double x1 = x/1.6; VAL [x=1] [L23] COND FALSE !(x1 != x) VAL [x=1] [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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 [2022-11-18 19:42:09,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:42:12,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:42:12,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:42:12,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:42:12,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:42:12,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:42:12,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:42:12,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:42:12,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:42:12,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:42:12,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:42:12,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:42:12,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:42:12,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:42:12,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:42:12,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:42:12,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:42:12,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:42:12,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:42:12,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:42:12,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:42:12,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:42:12,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:42:12,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:42:12,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:42:12,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:42:12,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:42:12,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:42:12,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:42:12,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:42:12,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:42:12,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:42:12,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:42:12,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:42:12,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:42:12,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:42:12,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:42:12,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:42:12,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:42:12,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:42:12,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:42:12,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 19:42:12,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:42:12,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:42:12,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:42:12,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:42:12,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:42:12,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:42:12,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:42:12,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:42:12,283 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:42:12,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:42:12,284 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:42:12,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:42:12,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:42:12,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:42:12,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:42:12,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:42:12,288 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:42:12,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:42:12,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:42:12,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:42:12,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:42:12,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:42:12,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:42:12,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:42:12,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:42:12,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:42:12,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:42:12,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:42:12,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:42:12,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:42:12,293 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:42:12,293 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:42:12,294 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:42:12,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:42:12,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:42:12,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:42:12,296 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_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 [2022-11-18 19:42:12,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:42:12,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:42:12,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:42:12,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:42:12,761 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:42:12,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2022-11-18 19:42:12,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/b8c875584/4c53f8da25d54dac9e3976f556cb5fae/FLAGa03327fa2 [2022-11-18 19:42:13,412 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:42:13,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2022-11-18 19:42:13,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/b8c875584/4c53f8da25d54dac9e3976f556cb5fae/FLAGa03327fa2 [2022-11-18 19:42:13,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/data/b8c875584/4c53f8da25d54dac9e3976f556cb5fae [2022-11-18 19:42:13,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:42:13,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:42:13,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:13,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:42:13,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:42:13,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:42:13" (1/1) ... [2022-11-18 19:42:13,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c62b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:13, skipping insertion in model container [2022-11-18 19:42:13,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:42:13" (1/1) ... [2022-11-18 19:42:13,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:42:13,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:42:13,950 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2022-11-18 19:42:13,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:42:13,976 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:42:14,014 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2022-11-18 19:42:14,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:42:14,052 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:42:14,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14 WrapperNode [2022-11-18 19:42:14,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:14,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:42:14,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:42:14,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:42:14,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,101 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-11-18 19:42:14,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:42:14,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:42:14,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:42:14,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:42:14,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:42:14,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:42:14,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:42:14,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:42:14,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (1/1) ... [2022-11-18 19:42:14,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:42:14,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:14,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:42:14,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:42:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:42:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 19:42:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:42:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:42:14,328 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:42:14,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:42:17,219 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:42:17,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:42:17,227 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:42:17,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:17 BoogieIcfgContainer [2022-11-18 19:42:17,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:42:17,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:42:17,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:42:17,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:42:17,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:42:13" (1/3) ... [2022-11-18 19:42:17,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a194f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:42:17, skipping insertion in model container [2022-11-18 19:42:17,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:14" (2/3) ... [2022-11-18 19:42:17,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a194f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:42:17, skipping insertion in model container [2022-11-18 19:42:17,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:17" (3/3) ... [2022-11-18 19:42:17,243 INFO L112 eAbstractionObserver]: Analyzing ICFG Double_div_bad.i [2022-11-18 19:42:17,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:42:17,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:42:17,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:42:17,335 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42b3c8c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:42:17,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:42:17,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 19:42:17,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:17,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 19:42:17,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:42:17,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2022-11-18 19:42:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:42:17,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074151389] [2022-11-18 19:42:17,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:17,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:42:17,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:42:17,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:42:17,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 19:42:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:18,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:42:18,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:42:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:42:24,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:42:24,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:42:24,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074151389] [2022-11-18 19:42:24,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074151389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:24,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:24,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:42:24,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230609907] [2022-11-18 19:42:24,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:24,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:42:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:42:24,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:42:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:42:24,431 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:27,515 WARN L859 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) |c_ULTIMATE.start_main_~x~0#1|) (= |c_ULTIMATE.start_main_~x1~0#1| (fp.div roundNearestTiesToEven |c_ULTIMATE.start_main_~x~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 8.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-18 19:42:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:28,831 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-18 19:42:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:42:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-18 19:42:28,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:28,846 INFO L225 Difference]: With dead ends: 20 [2022-11-18 19:42:28,847 INFO L226 Difference]: Without dead ends: 8 [2022-11-18 19:42:28,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2022-11-18 19:42:28,855 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:28,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 1 Unchecked, 2.1s Time] [2022-11-18 19:42:28,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-18 19:42:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-18 19:42:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-18 19:42:28,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2022-11-18 19:42:28,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:28,895 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-18 19:42:28,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-18 19:42:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 19:42:28,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:28,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:28,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-18 19:42:29,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:42:29,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:42:29,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:29,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2022-11-18 19:42:29,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:42:29,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876770483] [2022-11-18 19:42:29,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:29,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:42:29,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:42:29,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:42:29,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 19:42:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:30,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:42:30,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:42:34,654 WARN L859 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~x1~0#1| (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-18 19:42:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-18 19:42:41,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:42:50,482 WARN L837 $PredicateComparison]: unable to prove that (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0))) |c_ULTIMATE.start_main_~x1~0#1|)) is different from false [2022-11-18 19:42:58,810 WARN L837 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) is different from false [2022-11-18 19:43:01,268 WARN L859 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) is different from true [2022-11-18 19:43:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-18 19:43:01,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:43:01,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876770483] [2022-11-18 19:43:01,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876770483] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:43:01,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:43:01,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-11-18 19:43:01,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273417467] [2022-11-18 19:43:01,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:43:01,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:43:01,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:43:01,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:43:01,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=13, Unknown=5, NotChecked=24, Total=56 [2022-11-18 19:43:01,274 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:03,744 WARN L859 $PredicateComparison]: unable to prove that (and (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-18 19:43:06,829 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (and (= |c_ULTIMATE.start_main_~x1~0#1| (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0)) (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| .cse0) |c_ULTIMATE.start_main_~x1~0#1|)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2022-11-18 19:43:07,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:08,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:10,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:12,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:14,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:15,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:15,193 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-18 19:43:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:43:15,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 7 [2022-11-18 19:43:15,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:15,204 INFO L225 Difference]: With dead ends: 14 [2022-11-18 19:43:15,204 INFO L226 Difference]: Without dead ends: 10 [2022-11-18 19:43:15,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=18, Invalid=15, Unknown=7, NotChecked=50, Total=90 [2022-11-18 19:43:15,207 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:15,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 2 Unknown, 20 Unchecked, 8.4s Time] [2022-11-18 19:43:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-18 19:43:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-18 19:43:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-18 19:43:15,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2022-11-18 19:43:15,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:15,217 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-18 19:43:15,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-18 19:43:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 19:43:15,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:15,219 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:15,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:15,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:43:15,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:15,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:15,437 INFO L85 PathProgramCache]: Analyzing trace with hash 492108272, now seen corresponding path program 2 times [2022-11-18 19:43:15,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:43:15,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26606344] [2022-11-18 19:43:15,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:43:15,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:43:15,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:43:15,440 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:43:15,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 19:43:18,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:43:18,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:43:18,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:43:18,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:23,258 WARN L859 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~x1~0#1| (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-18 19:43:29,346 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 19:43:33,317 WARN L859 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~x1~0#1| (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-18 19:43:41,438 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 19:43:44,592 WARN L859 $PredicateComparison]: unable to prove that (and (= (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0)) |c_ULTIMATE.start_main_~x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-18 19:43:56,516 WARN L233 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 19:44:01,123 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (and (= (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0) |c_ULTIMATE.start_main_~x~0#1|) (= |c_ULTIMATE.start_main_~x1~0#1| (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x~0#1| .cse0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2022-11-18 19:44:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-11-18 19:44:01,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:44:12,428 WARN L859 $PredicateComparison]: unable to prove that (or (fp.eq |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0))) |c_ULTIMATE.start_main_~x1~0#1|))) is different from true [2022-11-18 19:44:17,758 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-18 19:44:24,836 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (let ((.cse0 (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2022-11-18 19:44:27,316 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 8.0 5.0)))) (let ((.cse0 (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from true [2022-11-18 19:44:29,500 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-18 19:44:29,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:44:29,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26606344] [2022-11-18 19:44:29,504 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-18 19:44:29,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-18 19:44:29,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-18 19:44:29,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:44:29,705 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:800) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 59 more [2022-11-18 19:44:29,714 INFO L158 Benchmark]: Toolchain (without parser) took 135965.48ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 48.4MB in the beginning and 52.2MB in the end (delta: -3.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-18 19:44:29,715 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:44:29,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.25ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 51.0MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:44:29,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.53ms. Allocated memory is still 67.1MB. Free memory was 50.8MB in the beginning and 49.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:44:29,724 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 48.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:44:29,724 INFO L158 Benchmark]: RCFGBuilder took 3094.56ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 39.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:44:29,725 INFO L158 Benchmark]: TraceAbstraction took 132478.82ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.5MB in the beginning and 52.2MB in the end (delta: -13.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-11-18 19:44:29,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.25ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 51.0MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.53ms. Allocated memory is still 67.1MB. Free memory was 50.8MB in the beginning and 49.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 48.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3094.56ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 39.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 132478.82ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.5MB in the beginning and 52.2MB in the end (delta: -13.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee366-6f99-4230-ad45-b77a0c4a1266/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")