./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Flip.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/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_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Flip.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9e2051c5b6571a6a73804cb724a9fb9a88e5e404b5e850e3a8c166e2eba4aad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:41:19,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:41:19,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:41:19,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:41:19,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:41:19,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:41:19,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:41:19,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:41:19,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:41:19,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:41:19,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:41:19,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:41:19,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:41:19,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:41:19,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:41:19,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:41:19,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:41:19,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:41:19,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:41:19,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:41:19,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:41:19,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:41:19,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:41:19,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:41:19,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:41:19,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:41:19,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:41:19,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:41:19,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:41:19,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:41:19,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:41:19,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:41:19,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:41:19,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:41:19,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:41:19,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:41:19,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:41:19,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:41:19,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:41:19,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:41:19,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:41:19,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:41:19,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:41:19,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:41:19,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:41:19,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:41:19,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:41:19,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:41:19,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:41:19,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:41:19,361 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:41:19,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:41:19,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:41:19,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:41:19,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:41:19,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:41:19,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:41:19,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:41:19,364 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:41:19,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:41:19,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:41:19,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:41:19,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:41:19,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:41:19,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:41:19,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:41:19,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:41:19,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:41:19,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:41:19,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:41:19,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:41:19,368 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:41:19,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:41:19,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:41:19,369 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_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e2051c5b6571a6a73804cb724a9fb9a88e5e404b5e850e3a8c166e2eba4aad [2022-11-18 20:41:19,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:41:19,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:41:19,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:41:19,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:41:19,817 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:41:19,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-restricted-15/Flip.c [2022-11-18 20:41:19,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/data/fc86bc30c/e523dc60c78445719fcec30d79469f06/FLAGd2c3a4638 [2022-11-18 20:41:20,411 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:41:20,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/sv-benchmarks/c/termination-restricted-15/Flip.c [2022-11-18 20:41:20,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/data/fc86bc30c/e523dc60c78445719fcec30d79469f06/FLAGd2c3a4638 [2022-11-18 20:41:20,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/data/fc86bc30c/e523dc60c78445719fcec30d79469f06 [2022-11-18 20:41:20,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:41:20,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:41:20,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:41:20,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:41:20,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:41:20,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:41:20" (1/1) ... [2022-11-18 20:41:20,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dccd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:20, skipping insertion in model container [2022-11-18 20:41:20,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:41:20" (1/1) ... [2022-11-18 20:41:20,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:41:20,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:41:21,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:41:21,009 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:41:21,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:41:21,053 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:41:21,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21 WrapperNode [2022-11-18 20:41:21,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:41:21,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:41:21,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:41:21,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:41:21,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,092 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-18 20:41:21,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:41:21,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:41:21,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:41:21,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:41:21,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:41:21,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:41:21,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:41:21,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:41:21,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (1/1) ... [2022-11-18 20:41:21,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:41:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:21,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:21,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:41:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:41:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:41:21,319 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:41:21,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:41:21,438 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:41:21,447 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:41:21,448 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:41:21,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:41:21 BoogieIcfgContainer [2022-11-18 20:41:21,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:41:21,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:41:21,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:41:21,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:41:21,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:41:20" (1/3) ... [2022-11-18 20:41:21,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc37f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:41:21, skipping insertion in model container [2022-11-18 20:41:21,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:21" (2/3) ... [2022-11-18 20:41:21,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc37f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:41:21, skipping insertion in model container [2022-11-18 20:41:21,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:41:21" (3/3) ... [2022-11-18 20:41:21,467 INFO L112 eAbstractionObserver]: Analyzing ICFG Flip.c [2022-11-18 20:41:21,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:41:21,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-18 20:41:21,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc37f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:41:21, skipping insertion in model container [2022-11-18 20:41:21,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:41:21,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:41:21,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:41:21,496 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:41:21,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:41:21" (3/3) ... [2022-11-18 20:41:21,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:41:21,515 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 20:41:21,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:41:21,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:41:21,574 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:41:21,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:41:21,577 INFO L158 Benchmark]: Toolchain (without parser) took 779.80ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 54.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-18 20:41:21,578 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:41:21,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.40ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 70.1MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:41:21,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.97ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:41:21,582 INFO L158 Benchmark]: Boogie Preprocessor took 27.08ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.7MB in the end (delta: 867.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:41:21,583 INFO L158 Benchmark]: RCFGBuilder took 329.13ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 59.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:41:21,584 INFO L158 Benchmark]: TraceAbstraction took 40.46ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:41:21,585 INFO L158 Benchmark]: Witness Printer took 79.38ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 54.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:41:21,589 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 92.3MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.40ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 70.1MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.97ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.08ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.7MB in the end (delta: 867.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.13ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 59.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 40.46ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 79.38ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 54.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-18 20:41:21,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e80eb40-8e3b-4b2a-8030-d0245a6ce9e7/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 Writing output log to file Ultimate.log Result: TRUE