./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 --- 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-6b4ec56 [2022-11-20 16:49:15,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:49:15,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:49:15,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:49:15,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:49:15,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:49:15,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:49:15,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:49:15,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:49:15,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:49:15,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:49:15,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:49:15,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:49:15,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:49:15,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:49:15,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:49:15,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:49:15,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:49:15,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:49:15,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:49:15,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:49:15,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:49:15,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:49:15,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:49:15,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:49:15,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:49:15,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:49:15,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:49:15,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:49:15,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:49:15,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:49:15,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:49:15,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:49:15,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:49:15,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:49:15,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:49:15,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:49:15,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:49:15,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:49:15,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:49:15,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:49:15,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:49:15,691 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:49:15,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:49:15,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:49:15,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:49:15,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:49:15,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:49:15,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:49:15,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:49:15,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:49:15,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:49:15,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:49:15,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:49:15,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:49:15,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:49:15,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:49:15,697 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:49:15,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:49:15,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:49:15,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:49:15,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:49:15,698 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:49:15,698 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:49:15,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:49:15,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:15,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:49:15,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:49:15,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:49:15,700 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:49:15,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:49:15,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:49:15,701 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_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 [2022-11-20 16:49:16,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:49:16,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:49:16,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:49:16,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:49:16,055 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:49:16,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2022-11-20 16:49:19,038 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:49:19,284 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:49:19,284 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2022-11-20 16:49:19,291 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/data/35afe194a/5fe08f8caf4546e5808cb72ee65f00f4/FLAGfc184e677 [2022-11-20 16:49:19,310 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/data/35afe194a/5fe08f8caf4546e5808cb72ee65f00f4 [2022-11-20 16:49:19,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:49:19,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:49:19,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:19,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:49:19,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:49:19,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43596974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19, skipping insertion in model container [2022-11-20 16:49:19,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:49:19,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:49:19,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:19,537 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:49:19,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:19,571 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:49:19,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19 WrapperNode [2022-11-20 16:49:19,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:19,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:19,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:49:19,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:49:19,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,612 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-11-20 16:49:19,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:19,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:49:19,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:49:19,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:49:19,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:49:19,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:49:19,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:49:19,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:49:19,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:19,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:49:19,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:49:19,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:49:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:49:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:49:19,806 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:49:19,808 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:49:20,070 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:49:20,082 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:49:20,083 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:49:20,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:20 BoogieIcfgContainer [2022-11-20 16:49:20,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:49:20,086 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:49:20,086 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:49:20,100 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:49:20,103 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:49:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2022-11-20 16:49:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2022-11-20 16:49:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:49:20,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:20,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 16:49:20,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2022-11-20 16:49:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2022-11-20 16:49:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:49:20,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:20,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 16:49:20,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2022-11-20 16:49:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2022-11-20 16:49:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:49:20,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:20,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:20,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:20,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2022-11-20 16:49:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-11-20 16:49:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:49:20,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:20,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:20,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:20,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2022-11-20 16:49:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2022-11-20 16:49:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:49:20,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:20,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:20,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 16:49:20,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 57 states and 63 transitions. [2022-11-20 16:49:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2022-11-20 16:49:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:49:21,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:21,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:21,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:21,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-11-20 16:49:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-11-20 16:49:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:49:21,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:21,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:21,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:21,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2022-11-20 16:49:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-20 16:49:21,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:49:21,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:21,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:21,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:21,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 73 states and 85 transitions. [2022-11-20 16:49:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2022-11-20 16:49:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:49:21,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:21,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:21,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 16:49:21,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2022-11-20 16:49:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2022-11-20 16:49:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:49:22,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:22,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 16:49:22,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2022-11-20 16:49:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2022-11-20 16:49:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:49:22,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:22,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:22,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 16:49:22,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2022-11-20 16:49:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2022-11-20 16:49:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:49:22,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:22,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:22,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2022-11-20 16:49:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2022-11-20 16:49:23,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:49:23,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:23,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:23,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 16:49:23,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions. [2022-11-20 16:49:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2022-11-20 16:49:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:49:23,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:23,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:23,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 16:49:23,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2022-11-20 16:49:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2022-11-20 16:49:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:49:24,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:24,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:24,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:24,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 111 states and 134 transitions. [2022-11-20 16:49:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2022-11-20 16:49:24,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:49:24,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:24,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:24,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 16:49:24,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 114 states and 139 transitions. [2022-11-20 16:49:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2022-11-20 16:49:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:49:24,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:24,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:24,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 16:49:24,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 119 states and 148 transitions. [2022-11-20 16:49:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2022-11-20 16:49:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:49:25,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:25,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:25,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 16:49:25,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:49:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 125 states and 156 transitions. [2022-11-20 16:49:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2022-11-20 16:49:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:49:26,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:26,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:49:26,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:49:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:49:26,081 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2022-11-20 16:49:26,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:49:26 ImpRootNode [2022-11-20 16:49:26,130 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:49:26,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:49:26,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:49:26,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:49:26,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:20" (3/4) ... [2022-11-20 16:49:26,133 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:49:26,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:49:26,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:49:26,211 INFO L158 Benchmark]: Toolchain (without parser) took 6892.55ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.6MB in the beginning and 87.4MB in the end (delta: 29.3MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:26,212 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:26,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.35ms. Allocated memory is still 148.9MB. Free memory was 116.6MB in the beginning and 107.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:49:26,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.70ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 106.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:26,214 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 870.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:26,215 INFO L158 Benchmark]: RCFGBuilder took 432.82ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 92.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:49:26,216 INFO L158 Benchmark]: CodeCheck took 6043.65ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-11-20 16:49:26,216 INFO L158 Benchmark]: Witness Printer took 80.48ms. Allocated memory is still 180.4MB. Free memory was 89.4MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:26,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 48 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1378 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1240 mSDsluCounter, 261 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 257 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3077 IncrementalHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 257 mSolverCounterUnsat, 49 mSDtfsCounter, 3077 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1554 GetRequests, 1345 SyntacticMatches, 83 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9776 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 359 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 36]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int s, t, i, j; [L22] i = __VERIFIER_nondet_int() [L23] j = __VERIFIER_nondet_int() [L25] s = 1 [L26] t = 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 + i VAL [i=1, j=2147483647, s=1, t=1] [L28] COND TRUE t*t - 4*s + 2*t + 1 + i >= 0 VAL [i=1, j=2147483647, s=1, t=1] [L34] EXPR t + 2 [L34] t = t + 2 VAL [i=1, j=2147483647, s=1, t=3] [L35] EXPR s + t [L35] s = s + t VAL [i=1, j=2147483647, s=4, t=3] [L36] i + j VAL [i=1, j=2147483647, s=4, t=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.35ms. Allocated memory is still 148.9MB. Free memory was 116.6MB in the beginning and 107.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.70ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 106.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 870.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.82ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 92.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6043.65ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 80.48ms. Allocated memory is still 180.4MB. Free memory was 89.4MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:49:26,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d8fd98-60a0-4aa5-8964-feb401b6aa47/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)