./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY --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 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:58:42,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:58:42,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:58:42,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:58:42,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:58:42,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:58:42,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:58:42,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:58:42,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:58:42,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:58:42,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:58:42,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:58:42,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:58:42,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:58:42,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:58:42,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:58:42,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:58:42,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:58:42,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:58:42,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:58:42,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:58:42,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:58:42,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:58:42,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:58:42,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:58:42,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:58:42,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:58:42,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:58:42,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:58:42,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:58:42,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:58:42,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:58:42,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:58:42,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:58:42,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:58:42,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:58:42,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:58:42,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:58:42,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:58:43,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:58:43,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:58:43,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 07:58:43,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:58:43,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:58:43,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:58:43,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:58:43,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:58:43,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:58:43,047 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:58:43,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:58:43,047 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:58:43,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:58:43,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:58:43,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:58:43,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 07:58:43,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 07:58:43,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 07:58:43,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:58:43,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:58:43,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:58:43,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 07:58:43,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:58:43,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:58:43,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 07:58:43,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:58:43,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:58:43,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 07:58:43,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 07:58:43,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:58:43,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 07:58:43,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 07:58:43,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 07:58:43,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 07:58:43,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:58:43,055 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_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff [2021-11-07 07:58:43,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:58:43,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:58:43,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:58:43,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:58:43,409 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:58:43,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2021-11-07 07:58:43,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/cf100888a/d0946f29cde6485bbf624a2b471eb5b6/FLAG70b71de1b [2021-11-07 07:58:44,268 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:58:44,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2021-11-07 07:58:44,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/cf100888a/d0946f29cde6485bbf624a2b471eb5b6/FLAG70b71de1b [2021-11-07 07:58:44,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/cf100888a/d0946f29cde6485bbf624a2b471eb5b6 [2021-11-07 07:58:44,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:58:44,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:58:44,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:58:44,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:58:44,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:58:44,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:58:44" (1/1) ... [2021-11-07 07:58:44,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4c31f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:44, skipping insertion in model container [2021-11-07 07:58:44,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:58:44" (1/1) ... [2021-11-07 07:58:44,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:58:44,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:58:45,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c[29097,29110] [2021-11-07 07:58:45,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:58:45,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:58:45,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c[29097,29110] [2021-11-07 07:58:45,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:58:45,467 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:58:45,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45 WrapperNode [2021-11-07 07:58:45,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:58:45,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:58:45,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:58:45,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:58:45,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:58:45,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:58:45,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:58:45,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:58:45,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:58:45,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:58:45,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:58:45,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:58:45,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (1/1) ... [2021-11-07 07:58:45,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:58:45,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:58:46,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 07:58:46,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 07:58:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:58:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:58:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:58:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:58:47,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:58:47,889 INFO L299 CfgBuilder]: Removed 1028 assume(true) statements. [2021-11-07 07:58:47,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:58:47 BoogieIcfgContainer [2021-11-07 07:58:47,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:58:47,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 07:58:47,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 07:58:47,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 07:58:47,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:58:44" (1/3) ... [2021-11-07 07:58:47,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b9955f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:58:47, skipping insertion in model container [2021-11-07 07:58:47,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:58:45" (2/3) ... [2021-11-07 07:58:47,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b9955f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:58:47, skipping insertion in model container [2021-11-07 07:58:47,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:58:47" (3/3) ... [2021-11-07 07:58:47,909 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-3-4-sat-3.c [2021-11-07 07:58:47,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 07:58:47,919 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 07:58:47,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 07:58:47,988 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 07:58:47,988 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 07:58:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 1030 states, 1028 states have (on average 1.4990272373540856) internal successors, (1541), 1029 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:58:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2021-11-07 07:58:48,116 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:58:48,118 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:58:48,119 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:58:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:58:48,125 INFO L85 PathProgramCache]: Analyzing trace with hash -271283389, now seen corresponding path program 1 times [2021-11-07 07:58:48,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:58:48,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579096935] [2021-11-07 07:58:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:58:48,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:58:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:58:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:58:49,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:58:49,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579096935] [2021-11-07 07:58:49,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579096935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:58:49,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:58:49,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:58:49,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620009948] [2021-11-07 07:58:49,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 07:58:49,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:58:49,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 07:58:49,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 07:58:49,174 INFO L87 Difference]: Start difference. First operand has 1030 states, 1028 states have (on average 1.4990272373540856) internal successors, (1541), 1029 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 513.0) internal successors, (1026), 2 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:58:49,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:58:49,254 INFO L93 Difference]: Finished difference Result 2054 states and 3076 transitions. [2021-11-07 07:58:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 07:58:49,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 513.0) internal successors, (1026), 2 states have internal predecessors, (1026), 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 1026 [2021-11-07 07:58:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:58:49,281 INFO L225 Difference]: With dead ends: 2054 [2021-11-07 07:58:49,281 INFO L226 Difference]: Without dead ends: 1027 [2021-11-07 07:58:49,291 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 07:58:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-11-07 07:58:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2021-11-07 07:58:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1026 states have (on average 1.0) internal successors, (1026), 1026 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:58:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1026 transitions. [2021-11-07 07:58:49,399 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1026 transitions. Word has length 1026 [2021-11-07 07:58:49,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:58:49,400 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1026 transitions. [2021-11-07 07:58:49,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 513.0) internal successors, (1026), 2 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:58:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1026 transitions. [2021-11-07 07:58:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2021-11-07 07:58:49,452 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:58:49,453 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:58:49,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 07:58:49,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:58:49,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:58:49,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2123896893, now seen corresponding path program 1 times [2021-11-07 07:58:49,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:58:49,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398189334] [2021-11-07 07:58:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:58:49,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:58:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:58:53,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:58:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:58:58,885 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:58:58,885 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 07:58:58,887 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 07:58:58,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 07:58:58,893 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 07:58:58,898 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 07:58:59,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:58:59 BoogieIcfgContainer [2021-11-07 07:58:59,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 07:58:59,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:58:59,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:58:59,434 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:58:59,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:58:47" (3/4) ... [2021-11-07 07:58:59,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 07:58:59,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:58:59,441 INFO L168 Benchmark]: Toolchain (without parser) took 14954.97 ms. Allocated memory was 107.0 MB in the beginning and 604.0 MB in the end (delta: 497.0 MB). Free memory was 67.7 MB in the beginning and 415.9 MB in the end (delta: -348.2 MB). Peak memory consumption was 147.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:58:59,442 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory was 86.0 MB in the beginning and 85.9 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:58:59,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 979.69 ms. Allocated memory is still 107.0 MB. Free memory was 67.5 MB in the beginning and 46.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-07 07:58:59,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 352.90 ms. Allocated memory was 107.0 MB in the beginning and 142.6 MB in the end (delta: 35.7 MB). Free memory was 46.5 MB in the beginning and 84.7 MB in the end (delta: -38.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:58:59,453 INFO L168 Benchmark]: Boogie Preprocessor took 150.31 ms. Allocated memory is still 142.6 MB. Free memory was 84.7 MB in the beginning and 71.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 07:58:59,454 INFO L168 Benchmark]: RCFGBuilder took 1918.87 ms. Allocated memory is still 142.6 MB. Free memory was 71.3 MB in the beginning and 78.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2021-11-07 07:58:59,455 INFO L168 Benchmark]: TraceAbstraction took 11537.88 ms. Allocated memory was 142.6 MB in the beginning and 604.0 MB in the end (delta: 461.4 MB). Free memory was 77.6 MB in the beginning and 415.9 MB in the end (delta: -338.3 MB). Peak memory consumption was 391.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:58:59,456 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 604.0 MB. Free memory is still 415.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:58:59,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory was 86.0 MB in the beginning and 85.9 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 979.69 ms. Allocated memory is still 107.0 MB. Free memory was 67.5 MB in the beginning and 46.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 352.90 ms. Allocated memory was 107.0 MB in the beginning and 142.6 MB in the end (delta: 35.7 MB). Free memory was 46.5 MB in the beginning and 84.7 MB in the end (delta: -38.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 150.31 ms. Allocated memory is still 142.6 MB. Free memory was 84.7 MB in the beginning and 71.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1918.87 ms. Allocated memory is still 142.6 MB. Free memory was 71.3 MB in the beginning and 78.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11537.88 ms. Allocated memory was 142.6 MB in the beginning and 604.0 MB in the end (delta: 461.4 MB). Free memory was 77.6 MB in the beginning and 415.9 MB in the end (delta: -338.3 MB). Peak memory consumption was 391.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.55 ms. Allocated memory is still 604.0 MB. Free memory is still 415.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 767]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 765. Possible FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L767] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1030 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1026 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1030occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2052 NumberOfCodeBlocks, 2052 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1025 ConstructedInterpolants, 0 QuantifiedInterpolants, 1025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 07:58:59,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY --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 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:59:02,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:59:02,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:59:02,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:59:02,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:59:02,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:59:02,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:59:02,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:59:02,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:59:02,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:59:02,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:59:02,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:59:02,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:59:02,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:59:02,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:59:02,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:59:02,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:59:02,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:59:02,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:59:02,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:59:02,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:59:02,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:59:02,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:59:02,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:59:02,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:59:02,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:59:02,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:59:02,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:59:02,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:59:02,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:59:02,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:59:02,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:59:02,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:59:02,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:59:02,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:59:02,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:59:02,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:59:02,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:59:02,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:59:02,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:59:02,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:59:02,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-07 07:59:02,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:59:02,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:59:02,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:59:02,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:59:02,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:59:02,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:59:02,271 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:59:02,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:59:02,271 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:59:02,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:59:02,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:59:02,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 07:59:02,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 07:59:02,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 07:59:02,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 07:59:02,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 07:59:02,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:59:02,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:59:02,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:59:02,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 07:59:02,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:59:02,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:59:02,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 07:59:02,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:59:02,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:59:02,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 07:59:02,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 07:59:02,276 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 07:59:02,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 07:59:02,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 07:59:02,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 07:59:02,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 07:59:02,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:59:02,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 07:59:02,277 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_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff [2021-11-07 07:59:02,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:59:02,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:59:02,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:59:02,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:59:02,691 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:59:02,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2021-11-07 07:59:02,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/3e4fc35e7/2d4f01c6f90644ceae36eaff6651c0c3/FLAG087275c28 [2021-11-07 07:59:03,557 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:59:03,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2021-11-07 07:59:03,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/3e4fc35e7/2d4f01c6f90644ceae36eaff6651c0c3/FLAG087275c28 [2021-11-07 07:59:03,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/data/3e4fc35e7/2d4f01c6f90644ceae36eaff6651c0c3 [2021-11-07 07:59:03,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:59:03,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:59:03,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:59:03,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:59:03,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:59:03,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:59:03" (1/1) ... [2021-11-07 07:59:03,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13785c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:03, skipping insertion in model container [2021-11-07 07:59:03,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:59:03" (1/1) ... [2021-11-07 07:59:03,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:59:03,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:59:04,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c[29097,29110] [2021-11-07 07:59:04,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:59:04,216 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:59:04,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c[29097,29110] [2021-11-07 07:59:04,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:59:04,424 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:59:04,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04 WrapperNode [2021-11-07 07:59:04,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:59:04,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:59:04,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:59:04,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:59:04,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:59:04,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:59:04,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:59:04,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:59:04,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:59:04,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:59:04,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:59:04,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:59:04,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (1/1) ... [2021-11-07 07:59:04,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:59:04,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:59:04,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 07:59:04,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 07:59:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:59:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:59:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 07:59:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:59:07,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:59:07,833 INFO L299 CfgBuilder]: Removed 1028 assume(true) statements. [2021-11-07 07:59:07,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:59:07 BoogieIcfgContainer [2021-11-07 07:59:07,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:59:07,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 07:59:07,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 07:59:07,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 07:59:07,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:59:03" (1/3) ... [2021-11-07 07:59:07,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dcae1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:59:07, skipping insertion in model container [2021-11-07 07:59:07,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:04" (2/3) ... [2021-11-07 07:59:07,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dcae1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:59:07, skipping insertion in model container [2021-11-07 07:59:07,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:59:07" (3/3) ... [2021-11-07 07:59:07,846 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-3-4-sat-3.c [2021-11-07 07:59:07,853 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 07:59:07,854 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 07:59:07,916 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 07:59:07,922 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 07:59:07,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 07:59:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 1030 states, 1028 states have (on average 1.4990272373540856) internal successors, (1541), 1029 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:59:08,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2021-11-07 07:59:08,062 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:59:08,064 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:59:08,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:59:08,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:59:08,083 INFO L85 PathProgramCache]: Analyzing trace with hash -271283389, now seen corresponding path program 1 times [2021-11-07 07:59:08,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 07:59:08,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882122528] [2021-11-07 07:59:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:59:08,118 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 07:59:08,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 07:59:08,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 07:59:08,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 07:59:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:59:09,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 07:59:09,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:59:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:59:11,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 07:59:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:59:13,700 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 07:59:13,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882122528] [2021-11-07 07:59:13,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882122528] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 07:59:13,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:59:13,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 07:59:13,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097375670] [2021-11-07 07:59:13,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 07:59:13,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 07:59:13,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 07:59:13,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 07:59:13,741 INFO L87 Difference]: Start difference. First operand has 1030 states, 1028 states have (on average 1.4990272373540856) internal successors, (1541), 1029 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 513.0) internal successors, (1026), 2 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:59:13,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:59:13,814 INFO L93 Difference]: Finished difference Result 2054 states and 3076 transitions. [2021-11-07 07:59:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 07:59:13,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 513.0) internal successors, (1026), 2 states have internal predecessors, (1026), 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 1026 [2021-11-07 07:59:13,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:59:13,844 INFO L225 Difference]: With dead ends: 2054 [2021-11-07 07:59:13,844 INFO L226 Difference]: Without dead ends: 1027 [2021-11-07 07:59:13,853 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2050 GetRequests, 2050 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 07:59:13,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-11-07 07:59:13,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2021-11-07 07:59:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1026 states have (on average 1.0) internal successors, (1026), 1026 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:59:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1026 transitions. [2021-11-07 07:59:13,952 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1026 transitions. Word has length 1026 [2021-11-07 07:59:13,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:59:13,953 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1026 transitions. [2021-11-07 07:59:13,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 513.0) internal successors, (1026), 2 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:59:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1026 transitions. [2021-11-07 07:59:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2021-11-07 07:59:14,006 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:59:14,007 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:59:14,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 07:59:14,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 07:59:14,220 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:59:14,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:59:14,222 INFO L85 PathProgramCache]: Analyzing trace with hash -2123896893, now seen corresponding path program 1 times [2021-11-07 07:59:14,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 07:59:14,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123094018] [2021-11-07 07:59:14,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:59:14,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 07:59:14,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 07:59:14,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 07:59:14,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 07:59:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:59:21,740 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:59:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:59:31,365 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-07 07:59:31,366 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 07:59:31,368 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 07:59:31,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 07:59:31,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 07:59:31,584 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 07:59:31,591 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 07:59:32,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:59:32 BoogieIcfgContainer [2021-11-07 07:59:32,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 07:59:32,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:59:32,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:59:32,262 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:59:32,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:59:07" (3/4) ... [2021-11-07 07:59:32,265 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 07:59:32,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 07:59:32,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:59:32,923 INFO L168 Benchmark]: Toolchain (without parser) took 29310.93 ms. Allocated memory was 58.7 MB in the beginning and 268.4 MB in the end (delta: 209.7 MB). Free memory was 34.2 MB in the beginning and 113.6 MB in the end (delta: -79.3 MB). Peak memory consumption was 157.9 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,924 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:59:32,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.34 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.1 MB in the beginning and 45.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 338.80 ms. Allocated memory is still 77.6 MB. Free memory was 45.0 MB in the beginning and 47.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,926 INFO L168 Benchmark]: Boogie Preprocessor took 165.79 ms. Allocated memory is still 77.6 MB. Free memory was 47.4 MB in the beginning and 34.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,926 INFO L168 Benchmark]: RCFGBuilder took 2905.33 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 34.1 MB in the beginning and 68.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,927 INFO L168 Benchmark]: TraceAbstraction took 24421.55 ms. Allocated memory was 121.6 MB in the beginning and 222.3 MB in the end (delta: 100.7 MB). Free memory was 68.2 MB in the beginning and 101.2 MB in the end (delta: -32.9 MB). Peak memory consumption was 146.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,927 INFO L168 Benchmark]: Witness Printer took 660.03 ms. Allocated memory was 222.3 MB in the beginning and 268.4 MB in the end (delta: 46.1 MB). Free memory was 101.2 MB in the beginning and 113.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2021-11-07 07:59:32,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 811.34 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.1 MB in the beginning and 45.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 338.80 ms. Allocated memory is still 77.6 MB. Free memory was 45.0 MB in the beginning and 47.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 165.79 ms. Allocated memory is still 77.6 MB. Free memory was 47.4 MB in the beginning and 34.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2905.33 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 34.1 MB in the beginning and 68.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24421.55 ms. Allocated memory was 121.6 MB in the beginning and 222.3 MB in the end (delta: 100.7 MB). Free memory was 68.2 MB in the beginning and 101.2 MB in the end (delta: -32.9 MB). Peak memory consumption was 146.3 MB. Max. memory is 16.1 GB. * Witness Printer took 660.03 ms. Allocated memory was 222.3 MB in the beginning and 268.4 MB in the end (delta: 46.1 MB). Free memory was 101.2 MB in the beginning and 113.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 767]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L767] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1030 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1026 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2050 GetRequests, 2050 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1030occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2052 NumberOfCodeBlocks, 2052 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2050 ConstructedInterpolants, 0 QuantifiedInterpolants, 2050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1660 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-07 07:59:33,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78e3186-4904-42ca-8644-1603745837dc/bin/uautomizer-AkOaLMaTGY/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE