./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX --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 250149b8db46a8cfd93cca5c9e51a3336d18e5ed9ae8a2faf72fd582a53985cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:38:38,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:38:38,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:38:38,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:38:38,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:38:38,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:38:38,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:38:38,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:38:38,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:38:38,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:38:38,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:38:38,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:38:38,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:38:38,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:38:38,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:38:38,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:38:38,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:38:38,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:38:38,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:38:38,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:38:38,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:38:38,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:38:38,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:38:38,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:38:38,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:38:38,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:38:38,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:38:38,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:38:38,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:38:38,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:38:38,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:38:38,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:38:38,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:38:38,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:38:38,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:38:38,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:38:38,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:38:38,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:38:38,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:38:38,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:38:38,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:38:38,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 10:38:38,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:38:38,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:38:38,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:38:38,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:38:38,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:38:38,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:38:38,933 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:38:38,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:38:38,934 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:38:38,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:38:38,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:38:38,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:38:38,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 10:38:38,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 10:38:38,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 10:38:38,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:38:38,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:38:38,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:38:38,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 10:38:38,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:38:38,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:38:38,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 10:38:38,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:38:38,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:38:38,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 10:38:38,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 10:38:38,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:38:38,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 10:38:38,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 10:38:38,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 10:38:38,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 10:38:38,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:38:38,942 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_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 250149b8db46a8cfd93cca5c9e51a3336d18e5ed9ae8a2faf72fd582a53985cf [2021-11-09 10:38:39,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:38:39,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:38:39,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:38:39,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:38:39,359 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:38:39,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/eca-rers2012/Problem01_label14.c [2021-11-09 10:38:39,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/data/8423f80c9/e4dd3a6625564a58af7cc58d9ee9a079/FLAG2b5e50055 [2021-11-09 10:38:40,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:38:40,177 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/sv-benchmarks/c/eca-rers2012/Problem01_label14.c [2021-11-09 10:38:40,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/data/8423f80c9/e4dd3a6625564a58af7cc58d9ee9a079/FLAG2b5e50055 [2021-11-09 10:38:40,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/data/8423f80c9/e4dd3a6625564a58af7cc58d9ee9a079 [2021-11-09 10:38:40,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:38:40,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:38:40,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:38:40,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:38:40,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:38:40,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:38:40" (1/1) ... [2021-11-09 10:38:40,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106a5ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:40, skipping insertion in model container [2021-11-09 10:38:40,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:38:40" (1/1) ... [2021-11-09 10:38:40,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:38:40,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:38:40,925 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_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/sv-benchmarks/c/eca-rers2012/Problem01_label14.c[21834,21847] [2021-11-09 10:38:40,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:38:40,949 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:38:41,092 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_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/sv-benchmarks/c/eca-rers2012/Problem01_label14.c[21834,21847] [2021-11-09 10:38:41,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:38:41,114 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:38:41,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41 WrapperNode [2021-11-09 10:38:41,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:38:41,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:38:41,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:38:41,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:38:41,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:38:41,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:38:41,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:38:41,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:38:41,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:38:41,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:38:41,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:38:41,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:38:41,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (1/1) ... [2021-11-09 10:38:41,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:38:41,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:38:41,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 10:38:41,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 10:38:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:38:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:38:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:38:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:38:42,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:38:42,788 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 10:38:42,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:38:42 BoogieIcfgContainer [2021-11-09 10:38:42,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:38:42,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 10:38:42,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 10:38:42,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 10:38:42,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:38:40" (1/3) ... [2021-11-09 10:38:42,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f49dedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:38:42, skipping insertion in model container [2021-11-09 10:38:42,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:41" (2/3) ... [2021-11-09 10:38:42,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f49dedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:38:42, skipping insertion in model container [2021-11-09 10:38:42,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:38:42" (3/3) ... [2021-11-09 10:38:42,804 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label14.c [2021-11-09 10:38:42,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 10:38:42,815 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 10:38:42,872 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 10:38:42,880 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 [2021-11-09 10:38:42,880 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 10:38:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) [2021-11-09 10:38:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-09 10:38:42,924 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:38:42,925 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] [2021-11-09 10:38:42,926 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:38:42,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:38:42,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2004563326, now seen corresponding path program 1 times [2021-11-09 10:38:42,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:38:42,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113470665] [2021-11-09 10:38:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:42,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:38:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:38:43,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:38:43,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113470665] [2021-11-09 10:38:43,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113470665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:38:43,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:38:43,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:38:43,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212210814] [2021-11-09 10:38:43,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:38:43,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:38:43,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:38:43,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:38:43,756 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 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) [2021-11-09 10:38:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:38:45,126 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2021-11-09 10:38:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 10:38:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 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 131 [2021-11-09 10:38:45,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:38:45,147 INFO L225 Difference]: With dead ends: 662 [2021-11-09 10:38:45,147 INFO L226 Difference]: Without dead ends: 397 [2021-11-09 10:38:45,152 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-11-09 10:38:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-11-09 10:38:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 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) [2021-11-09 10:38:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2021-11-09 10:38:45,233 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 131 [2021-11-09 10:38:45,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:38:45,235 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2021-11-09 10:38:45,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 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) [2021-11-09 10:38:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2021-11-09 10:38:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-09 10:38:45,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:38:45,241 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:38:45,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 10:38:45,242 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:38:45,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:38:45,243 INFO L85 PathProgramCache]: Analyzing trace with hash 525748235, now seen corresponding path program 1 times [2021-11-09 10:38:45,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:38:45,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811351123] [2021-11-09 10:38:45,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:45,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:38:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:38:45,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:38:45,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811351123] [2021-11-09 10:38:45,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811351123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:38:45,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:38:45,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:38:45,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024729355] [2021-11-09 10:38:45,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:38:45,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:38:45,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:38:45,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:38:45,514 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-11-09 10:38:46,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:38:46,353 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2021-11-09 10:38:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 10:38:46,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 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 138 [2021-11-09 10:38:46,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:38:46,359 INFO L225 Difference]: With dead ends: 887 [2021-11-09 10:38:46,359 INFO L226 Difference]: Without dead ends: 528 [2021-11-09 10:38:46,364 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:38:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-11-09 10:38:46,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2021-11-09 10:38:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 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) [2021-11-09 10:38:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2021-11-09 10:38:46,416 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 138 [2021-11-09 10:38:46,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:38:46,417 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2021-11-09 10:38:46,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-11-09 10:38:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2021-11-09 10:38:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-09 10:38:46,422 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:38:46,422 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:38:46,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 10:38:46,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:38:46,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:38:46,423 INFO L85 PathProgramCache]: Analyzing trace with hash 839663373, now seen corresponding path program 1 times [2021-11-09 10:38:46,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:38:46,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785946813] [2021-11-09 10:38:46,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:46,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:38:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:38:46,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:38:46,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785946813] [2021-11-09 10:38:46,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785946813] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:38:46,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156032287] [2021-11-09 10:38:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:46,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:38:46,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:38:46,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:38:46,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 10:38:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:46,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:38:46,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:38:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-09 10:38:47,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156032287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:38:47,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:38:47,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-09 10:38:47,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247342168] [2021-11-09 10:38:47,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:38:47,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:38:47,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:38:47,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:47,377 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2021-11-09 10:38:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:38:47,848 INFO L93 Difference]: Finished difference Result 1185 states and 1417 transitions. [2021-11-09 10:38:47,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:38:47,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 146 [2021-11-09 10:38:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:38:47,854 INFO L225 Difference]: With dead ends: 1185 [2021-11-09 10:38:47,854 INFO L226 Difference]: Without dead ends: 659 [2021-11-09 10:38:47,855 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-11-09 10:38:47,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-11-09 10:38:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.155015197568389) internal successors, (760), 658 states have internal predecessors, (760), 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) [2021-11-09 10:38:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 760 transitions. [2021-11-09 10:38:47,912 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 760 transitions. Word has length 146 [2021-11-09 10:38:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:38:47,913 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 760 transitions. [2021-11-09 10:38:47,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2021-11-09 10:38:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 760 transitions. [2021-11-09 10:38:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-09 10:38:47,918 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:38:47,918 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:38:47,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-09 10:38:48,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-09 10:38:48,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:38:48,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:38:48,136 INFO L85 PathProgramCache]: Analyzing trace with hash 644818035, now seen corresponding path program 1 times [2021-11-09 10:38:48,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:38:48,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249986166] [2021-11-09 10:38:48,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:48,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:38:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-09 10:38:48,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:38:48,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249986166] [2021-11-09 10:38:48,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249986166] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:38:48,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774058904] [2021-11-09 10:38:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:48,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:38:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:38:48,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:38:48,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 10:38:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:48,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:38:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:38:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-09 10:38:49,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774058904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:38:49,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:38:49,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-09 10:38:49,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399118131] [2021-11-09 10:38:49,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:38:49,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:38:49,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:38:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:49,091 INFO L87 Difference]: Start difference. First operand 659 states and 760 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-11-09 10:38:49,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:38:49,565 INFO L93 Difference]: Finished difference Result 1840 states and 2139 transitions. [2021-11-09 10:38:49,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:38:49,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 162 [2021-11-09 10:38:49,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:38:49,574 INFO L225 Difference]: With dead ends: 1840 [2021-11-09 10:38:49,575 INFO L226 Difference]: Without dead ends: 1183 [2021-11-09 10:38:49,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:49,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-11-09 10:38:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2021-11-09 10:38:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1771739130434782) internal successors, (1083), 920 states have internal predecessors, (1083), 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) [2021-11-09 10:38:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1083 transitions. [2021-11-09 10:38:49,641 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1083 transitions. Word has length 162 [2021-11-09 10:38:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:38:49,642 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1083 transitions. [2021-11-09 10:38:49,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-11-09 10:38:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1083 transitions. [2021-11-09 10:38:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-09 10:38:49,648 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:38:49,648 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:38:49,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 10:38:49,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:38:49,871 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:38:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:38:49,871 INFO L85 PathProgramCache]: Analyzing trace with hash -930063969, now seen corresponding path program 1 times [2021-11-09 10:38:49,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:38:49,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200704448] [2021-11-09 10:38:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:49,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:38:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-09 10:38:49,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:38:49,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200704448] [2021-11-09 10:38:49,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200704448] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:38:49,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290564479] [2021-11-09 10:38:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:49,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:38:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:38:50,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:38:50,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 10:38:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:50,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:38:50,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:38:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-09 10:38:50,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290564479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:38:50,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:38:50,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-09 10:38:50,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136715281] [2021-11-09 10:38:50,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:38:50,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:38:50,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:38:50,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:50,697 INFO L87 Difference]: Start difference. First operand 921 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2021-11-09 10:38:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:38:51,121 INFO L93 Difference]: Finished difference Result 2495 states and 2955 transitions. [2021-11-09 10:38:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:38:51,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 167 [2021-11-09 10:38:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:38:51,135 INFO L225 Difference]: With dead ends: 2495 [2021-11-09 10:38:51,135 INFO L226 Difference]: Without dead ends: 1576 [2021-11-09 10:38:51,140 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-11-09 10:38:51,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 921. [2021-11-09 10:38:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1771739130434782) internal successors, (1083), 920 states have internal predecessors, (1083), 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) [2021-11-09 10:38:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1083 transitions. [2021-11-09 10:38:51,184 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1083 transitions. Word has length 167 [2021-11-09 10:38:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:38:51,185 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1083 transitions. [2021-11-09 10:38:51,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2021-11-09 10:38:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1083 transitions. [2021-11-09 10:38:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-09 10:38:51,190 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:38:51,191 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:38:51,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 10:38:51,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:38:51,406 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:38:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:38:51,407 INFO L85 PathProgramCache]: Analyzing trace with hash 587963665, now seen corresponding path program 1 times [2021-11-09 10:38:51,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:38:51,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953532740] [2021-11-09 10:38:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:51,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:38:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-09 10:38:51,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:38:51,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953532740] [2021-11-09 10:38:51,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953532740] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:38:51,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876978467] [2021-11-09 10:38:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:38:51,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:38:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:38:51,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:38:51,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 10:38:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:38:51,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:38:51,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:38:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-09 10:38:52,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876978467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:38:52,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:38:52,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-09 10:38:52,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710117764] [2021-11-09 10:38:52,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:38:52,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:38:52,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:38:52,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:52,382 INFO L87 Difference]: Start difference. First operand 921 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-11-09 10:38:52,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:38:52,869 INFO L93 Difference]: Finished difference Result 2493 states and 2933 transitions. [2021-11-09 10:38:52,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:38:52,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 187 [2021-11-09 10:38:52,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:38:52,871 INFO L225 Difference]: With dead ends: 2493 [2021-11-09 10:38:52,871 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 10:38:52,874 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:38:52,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 10:38:52,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 10:38:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-09 10:38:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 10:38:52,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2021-11-09 10:38:52,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:38:52,876 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:38:52,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-11-09 10:38:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 10:38:52,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 10:38:52,880 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 10:38:52,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 10:38:53,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-09 10:38:53,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 10:38:53,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:38:53,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:38:53,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:38:53,189 INFO L857 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-11-09 10:38:53,190 INFO L857 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-11-09 10:38:53,190 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-11-09 10:38:53,190 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-11-09 10:38:53,190 INFO L857 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-11-09 10:38:53,191 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-11-09 10:38:53,191 INFO L857 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-11-09 10:38:53,191 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-11-09 10:38:53,191 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,191 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,192 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,192 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,192 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-09 10:38:53,192 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,193 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,193 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-11-09 10:38:53,193 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-11-09 10:38:53,194 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-11-09 10:38:53,194 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-11-09 10:38:53,194 INFO L857 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-11-09 10:38:53,194 INFO L857 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-11-09 10:38:53,195 INFO L857 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-11-09 10:38:53,195 INFO L857 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-11-09 10:38:53,195 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-11-09 10:38:53,195 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-11-09 10:38:53,195 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-11-09 10:38:53,197 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-11-09 10:38:53,197 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,197 INFO L857 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,198 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,198 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,198 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,198 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-11-09 10:38:53,198 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,199 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-11-09 10:38:53,199 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-11-09 10:38:53,199 INFO L857 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-11-09 10:38:53,199 INFO L857 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-11-09 10:38:53,199 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-11-09 10:38:53,201 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-11-09 10:38:53,201 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-11-09 10:38:53,202 INFO L857 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-11-09 10:38:53,202 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-11-09 10:38:53,203 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-11-09 10:38:53,205 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-11-09 10:38:53,207 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-11-09 10:38:53,208 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-11-09 10:38:53,208 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-11-09 10:38:53,208 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,208 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,209 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,209 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,212 INFO L857 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,212 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,212 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-11-09 10:38:53,212 INFO L857 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-11-09 10:38:53,213 INFO L857 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-11-09 10:38:53,213 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-11-09 10:38:53,214 INFO L857 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-11-09 10:38:53,214 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-11-09 10:38:53,214 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-11-09 10:38:53,214 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-11-09 10:38:53,214 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-11-09 10:38:53,215 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-11-09 10:38:53,215 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-11-09 10:38:53,215 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-11-09 10:38:53,215 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,215 INFO L857 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,216 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,216 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,216 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,216 INFO L857 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,216 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-11-09 10:38:53,217 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-11-09 10:38:53,217 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-11-09 10:38:53,217 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-11-09 10:38:53,217 INFO L857 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-11-09 10:38:53,217 INFO L857 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-11-09 10:38:53,217 INFO L857 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-11-09 10:38:53,218 INFO L857 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-11-09 10:38:53,218 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-11-09 10:38:53,218 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-11-09 10:38:53,218 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,218 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,219 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,219 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,219 INFO L857 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,219 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,219 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-11-09 10:38:53,220 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-11-09 10:38:53,220 INFO L857 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-11-09 10:38:53,221 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-11-09 10:38:53,221 INFO L857 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-11-09 10:38:53,221 INFO L857 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-11-09 10:38:53,221 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-09 10:38:53,221 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-11-09 10:38:53,222 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-11-09 10:38:53,222 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-11-09 10:38:53,222 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-11-09 10:38:53,222 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-11-09 10:38:53,222 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-11-09 10:38:53,222 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-11-09 10:38:53,223 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-11-09 10:38:53,223 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,223 INFO L857 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,223 INFO L857 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,223 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,224 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,224 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 10:38:53,224 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-11-09 10:38:53,228 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-11-09 10:38:53,229 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-11-09 10:38:53,229 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-11-09 10:38:53,229 INFO L857 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-11-09 10:38:53,229 INFO L857 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-11-09 10:38:53,229 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-11-09 10:38:53,230 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-11-09 10:38:53,230 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-11-09 10:38:53,230 INFO L853 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (or (<= ~a20~0 0) (<= ~a8~0 13) (<= 5 ~a16~0) (not (= ~a7~0 1)) (<= 15 ~a8~0)) [2021-11-09 10:38:53,230 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,231 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,231 INFO L857 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,231 INFO L857 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,231 INFO L857 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,231 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-11-09 10:38:53,232 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-09 10:38:53,232 INFO L857 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-11-09 10:38:53,232 INFO L857 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-11-09 10:38:53,232 INFO L857 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-11-09 10:38:53,232 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-11-09 10:38:53,233 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-11-09 10:38:53,233 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-11-09 10:38:53,233 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-11-09 10:38:53,233 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-11-09 10:38:53,233 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-11-09 10:38:53,233 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-11-09 10:38:53,234 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 10:38:53,234 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-11-09 10:38:53,234 INFO L860 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-11-09 10:38:53,234 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,234 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,235 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,236 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,236 INFO L857 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,236 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-11-09 10:38:53,236 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-11-09 10:38:53,236 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-11-09 10:38:53,237 INFO L857 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-11-09 10:38:53,237 INFO L857 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-11-09 10:38:53,237 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-11-09 10:38:53,237 INFO L857 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-11-09 10:38:53,238 INFO L857 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-11-09 10:38:53,238 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-11-09 10:38:53,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 10:38:53,238 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,238 INFO L857 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,239 INFO L857 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,239 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,239 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-11-09 10:38:53,239 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,239 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-11-09 10:38:53,239 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-11-09 10:38:53,240 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-09 10:38:53,240 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-11-09 10:38:53,240 INFO L857 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-11-09 10:38:53,240 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-11-09 10:38:53,240 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-09 10:38:53,243 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-11-09 10:38:53,243 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-11-09 10:38:53,243 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-11-09 10:38:53,243 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-11-09 10:38:53,243 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-11-09 10:38:53,244 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-11-09 10:38:53,244 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,245 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (or (<= ~a20~0 0) (<= ~a8~0 13) (<= 5 ~a16~0) (not (= ~a7~0 1)) (<= 15 ~a8~0)) [2021-11-09 10:38:53,245 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,245 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,245 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,245 INFO L857 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,246 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-11-09 10:38:53,246 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 10:38:53,247 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2021-11-09 10:38:53,247 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-11-09 10:38:53,247 INFO L857 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-11-09 10:38:53,247 INFO L857 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-11-09 10:38:53,247 INFO L857 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-11-09 10:38:53,248 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-11-09 10:38:53,248 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-11-09 10:38:53,248 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-11-09 10:38:53,248 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,248 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,249 INFO L857 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,249 INFO L857 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,249 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-11-09 10:38:53,249 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-11-09 10:38:53,249 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-11-09 10:38:53,249 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-11-09 10:38:53,250 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-11-09 10:38:53,253 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-09 10:38:53,255 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 10:38:53,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:38:53 BoogieIcfgContainer [2021-11-09 10:38:53,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 10:38:53,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 10:38:53,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 10:38:53,288 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 10:38:53,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:38:42" (3/4) ... [2021-11-09 10:38:53,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 10:38:53,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-09 10:38:53,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 10:38:53,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 10:38:53,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 10:38:53,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 10:38:53,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 10:38:53,457 INFO L168 Benchmark]: Toolchain (without parser) took 13126.21 ms. Allocated memory was 107.0 MB in the beginning and 201.3 MB in the end (delta: 94.4 MB). Free memory was 67.2 MB in the beginning and 157.8 MB in the end (delta: -90.6 MB). Peak memory consumption was 107.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,458 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 85.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:38:53,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.03 ms. Allocated memory is still 107.0 MB. Free memory was 67.0 MB in the beginning and 64.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.26 ms. Allocated memory is still 107.0 MB. Free memory was 64.9 MB in the beginning and 59.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,459 INFO L168 Benchmark]: Boogie Preprocessor took 80.20 ms. Allocated memory is still 107.0 MB. Free memory was 59.1 MB in the beginning and 54.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,459 INFO L168 Benchmark]: RCFGBuilder took 1469.23 ms. Allocated memory was 107.0 MB in the beginning and 161.5 MB in the end (delta: 54.5 MB). Free memory was 54.9 MB in the beginning and 94.4 MB in the end (delta: -39.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,460 INFO L168 Benchmark]: TraceAbstraction took 10492.15 ms. Allocated memory was 161.5 MB in the beginning and 201.3 MB in the end (delta: 39.8 MB). Free memory was 93.6 MB in the beginning and 58.4 MB in the end (delta: 35.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,460 INFO L168 Benchmark]: Witness Printer took 168.42 ms. Allocated memory is still 201.3 MB. Free memory was 58.4 MB in the beginning and 157.8 MB in the end (delta: -99.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-11-09 10:38:53,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 85.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 781.03 ms. Allocated memory is still 107.0 MB. Free memory was 67.0 MB in the beginning and 64.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.26 ms. Allocated memory is still 107.0 MB. Free memory was 64.9 MB in the beginning and 59.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.20 ms. Allocated memory is still 107.0 MB. Free memory was 59.1 MB in the beginning and 54.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1469.23 ms. Allocated memory was 107.0 MB in the beginning and 161.5 MB in the end (delta: 54.5 MB). Free memory was 54.9 MB in the beginning and 94.4 MB in the end (delta: -39.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10492.15 ms. Allocated memory was 161.5 MB in the beginning and 201.3 MB in the end (delta: 39.8 MB). Free memory was 93.6 MB in the beginning and 58.4 MB in the end (delta: 35.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * Witness Printer took 168.42 ms. Allocated memory is still 201.3 MB. Free memory was 58.4 MB in the beginning and 157.8 MB in the end (delta: -99.4 MB). Peak memory consumption was 5.5 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 - PositiveResult [Line: 579]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 507 SDtfs, 478 SDslu, 47 SDs, 0 SdLazy, 2414 SolverSat, 550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 677 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 712 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1593 NumberOfCodeBlocks, 1593 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1583 ConstructedInterpolants, 0 QuantifiedInterpolants, 6957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1340 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 370/382 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((a20 <= 0 || a8 <= 13) || 5 <= a16) || !(a7 == 1)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((a20 <= 0 || a8 <= 13) || 5 <= a16) || !(a7 == 1)) || 15 <= a8 RESULT: Ultimate proved your program to be correct! [2021-11-09 10:38:53,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dab4ff4-9f86-4b53-8cc3-7a85e87e87fe/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE