./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:25:42,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:25:42,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:25:42,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:25:42,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:25:42,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:25:42,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:25:42,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:25:42,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:25:42,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:25:42,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:25:42,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:25:42,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:25:42,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:25:42,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:25:42,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:25:42,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:25:42,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:25:42,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:25:42,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:25:42,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:25:42,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:25:42,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:25:42,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:25:42,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:25:42,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:25:42,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:25:42,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:25:42,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:25:42,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:25:42,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:25:42,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:25:42,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:25:42,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:25:42,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:25:42,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:25:42,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:25:42,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:25:42,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:25:42,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:25:42,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:25:42,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:25:42,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:25:42,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:25:42,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:25:42,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:25:42,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:25:42,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:25:42,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:25:43,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:25:43,001 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:25:43,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:25:43,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:25:43,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:25:43,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:25:43,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:25:43,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:25:43,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:25:43,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:25:43,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:25:43,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:25:43,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:25:43,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:25:43,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:25:43,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:25:43,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:25:43,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:25:43,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:25:43,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:25:43,008 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:25:43,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:25:43,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:25:43,010 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_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-11-20 12:25:43,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:25:43,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:25:43,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:25:43,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:25:43,397 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:25:43,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-20 12:25:46,658 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:25:46,968 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:25:46,968 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-20 12:25:46,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/data/10af7cfc7/b6361fac025f4a1e9b9d7e64162faa47/FLAGc7a2a19ed [2022-11-20 12:25:47,007 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/data/10af7cfc7/b6361fac025f4a1e9b9d7e64162faa47 [2022-11-20 12:25:47,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:25:47,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:25:47,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:47,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:25:47,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:25:47,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:47" (1/1) ... [2022-11-20 12:25:47,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfc0880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:47, skipping insertion in model container [2022-11-20 12:25:47,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:47" (1/1) ... [2022-11-20 12:25:47,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:25:47,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:25:47,714 WARN L237 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_6125b684-4670-4177-8ac9-09f608acba11/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-20 12:25:47,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:25:47,789 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:25:47,892 WARN L237 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_6125b684-4670-4177-8ac9-09f608acba11/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-20 12:25:47,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:25:48,022 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:25:48,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48 WrapperNode [2022-11-20 12:25:48,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:25:48,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:25:48,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:25:48,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:25:48,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,101 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 350 [2022-11-20 12:25:48,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:25:48,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:25:48,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:25:48,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:25:48,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:25:48,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:25:48,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:25:48,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:25:48,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (1/1) ... [2022-11-20 12:25:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:25:48,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:48,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:25:48,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:25:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:25:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:25:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:25:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:25:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:25:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:25:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:25:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-20 12:25:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:25:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:25:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:25:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:25:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:25:48,726 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:25:48,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:25:49,236 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:25:49,243 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:25:49,244 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 12:25:49,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:49 BoogieIcfgContainer [2022-11-20 12:25:49,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:25:49,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:25:49,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:25:49,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:25:49,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:25:47" (1/3) ... [2022-11-20 12:25:49,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37521221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:25:49, skipping insertion in model container [2022-11-20 12:25:49,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:48" (2/3) ... [2022-11-20 12:25:49,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37521221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:25:49, skipping insertion in model container [2022-11-20 12:25:49,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:49" (3/3) ... [2022-11-20 12:25:49,256 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-11-20 12:25:49,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:25:49,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:25:49,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:25:49,366 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68fe8f8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:25:49,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:25:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.608695652173913) internal successors, (111), 70 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:25:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 12:25:49,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:49,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:49,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:49,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:49,393 INFO L85 PathProgramCache]: Analyzing trace with hash 887006784, now seen corresponding path program 1 times [2022-11-20 12:25:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:49,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790875737] [2022-11-20 12:25:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:49,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 12:25:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:50,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:50,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790875737] [2022-11-20 12:25:50,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790875737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:50,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:25:50,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:25:50,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533351518] [2022-11-20 12:25:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:50,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:25:50,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:50,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:25:50,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:25:50,085 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.608695652173913) internal successors, (111), 70 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:50,163 INFO L93 Difference]: Finished difference Result 146 states and 230 transitions. [2022-11-20 12:25:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:25:50,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-20 12:25:50,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:50,174 INFO L225 Difference]: With dead ends: 146 [2022-11-20 12:25:50,175 INFO L226 Difference]: Without dead ends: 30 [2022-11-20 12:25:50,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:25:50,183 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:25:50,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 202 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:25:50,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-20 12:25:50,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-11-20 12:25:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-20 12:25:50,229 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2022-11-20 12:25:50,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:50,230 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-20 12:25:50,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-20 12:25:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 12:25:50,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:50,232 INFO L195 NwaCegarLoop]: 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] [2022-11-20 12:25:50,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:25:50,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:50,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:50,234 INFO L85 PathProgramCache]: Analyzing trace with hash 206727278, now seen corresponding path program 1 times [2022-11-20 12:25:50,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:50,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492052575] [2022-11-20 12:25:50,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:50,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:50,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:25:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:50,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:50,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492052575] [2022-11-20 12:25:50,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492052575] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:25:50,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586334136] [2022-11-20 12:25:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:50,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:50,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:50,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:25:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:50,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:25:50,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:50,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:25:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:50,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586334136] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:25:50,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:25:50,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 12:25:50,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542583935] [2022-11-20 12:25:50,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:25:50,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:25:50,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:50,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:25:50,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:25:50,847 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:25:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:50,923 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2022-11-20 12:25:50,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:25:50,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-20 12:25:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:50,929 INFO L225 Difference]: With dead ends: 59 [2022-11-20 12:25:50,929 INFO L226 Difference]: Without dead ends: 35 [2022-11-20 12:25:50,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:25:50,931 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:25:50,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 80 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:25:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-20 12:25:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-20 12:25:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2022-11-20 12:25:50,937 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 25 [2022-11-20 12:25:50,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:50,938 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2022-11-20 12:25:50,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:25:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-11-20 12:25:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 12:25:50,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:50,940 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:50,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:51,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:51,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash -801434200, now seen corresponding path program 2 times [2022-11-20 12:25:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:51,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186389262] [2022-11-20 12:25:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:25:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:25:51,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:51,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186389262] [2022-11-20 12:25:51,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186389262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:25:51,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987009685] [2022-11-20 12:25:51,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:25:51,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:51,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:51,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:51,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:25:51,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:25:51,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:25:51,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:25:51,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 12:25:51,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:25:51,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987009685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:51,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:25:51,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-11-20 12:25:51,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584147571] [2022-11-20 12:25:51,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:51,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:25:51,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:51,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:25:51,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:25:51,930 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:52,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:52,039 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2022-11-20 12:25:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:25:52,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 12:25:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:52,042 INFO L225 Difference]: With dead ends: 52 [2022-11-20 12:25:52,042 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 12:25:52,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:25:52,047 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:25:52,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 79 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:25:52,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 12:25:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-11-20 12:25:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2022-11-20 12:25:52,057 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 31 [2022-11-20 12:25:52,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:52,060 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2022-11-20 12:25:52,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-11-20 12:25:52,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 12:25:52,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:52,066 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:52,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:52,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:52,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:52,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:52,274 INFO L85 PathProgramCache]: Analyzing trace with hash -72433910, now seen corresponding path program 1 times [2022-11-20 12:25:52,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:52,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029449282] [2022-11-20 12:25:52,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:52,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:25:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 12:25:52,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:52,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029449282] [2022-11-20 12:25:52,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029449282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:52,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:25:52,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:25:52,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310827113] [2022-11-20 12:25:52,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:52,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:25:52,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:52,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:25:52,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:25:52,471 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:52,487 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-11-20 12:25:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:25:52,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-20 12:25:52,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:52,488 INFO L225 Difference]: With dead ends: 55 [2022-11-20 12:25:52,488 INFO L226 Difference]: Without dead ends: 38 [2022-11-20 12:25:52,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:25:52,490 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:25:52,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:25:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-20 12:25:52,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2022-11-20 12:25:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-20 12:25:52,496 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 34 [2022-11-20 12:25:52,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:52,496 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-20 12:25:52,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-20 12:25:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 12:25:52,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:52,498 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:25:52,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:25:52,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:52,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1433732232, now seen corresponding path program 1 times [2022-11-20 12:25:52,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:52,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457101588] [2022-11-20 12:25:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:52,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:25:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 12:25:52,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:52,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457101588] [2022-11-20 12:25:52,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457101588] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:25:52,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296185981] [2022-11-20 12:25:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:52,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:52,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:52,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:52,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:25:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:53,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:25:53,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:25:53,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:25:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:25:53,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296185981] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:25:53,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:25:53,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2022-11-20 12:25:53,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824547978] [2022-11-20 12:25:53,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:25:53,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:25:53,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:53,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:25:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:25:53,191 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:25:53,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:53,286 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2022-11-20 12:25:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 12:25:53,287 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-11-20 12:25:53,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:53,288 INFO L225 Difference]: With dead ends: 78 [2022-11-20 12:25:53,288 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 12:25:53,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:25:53,289 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:25:53,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 144 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:25:53,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 12:25:53,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2022-11-20 12:25:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 48 states have (on average 1.0625) internal successors, (51), 48 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2022-11-20 12:25:53,297 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 36 [2022-11-20 12:25:53,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:53,298 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2022-11-20 12:25:53,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:25:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2022-11-20 12:25:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 12:25:53,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:25:53,300 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 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] [2022-11-20 12:25:53,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 12:25:53,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:53,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:25:53,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:25:53,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1258764270, now seen corresponding path program 2 times [2022-11-20 12:25:53,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:25:53,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030261257] [2022-11-20 12:25:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:25:53,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:25:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 12:25:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:25:53,829 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:25:53,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:25:53,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030261257] [2022-11-20 12:25:53,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030261257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:25:53,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289017310] [2022-11-20 12:25:53,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:25:53,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:25:53,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:25:53,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:25:53,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 12:25:54,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:25:54,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:25:54,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:25:54,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:25:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-20 12:25:54,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:25:54,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289017310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:25:54,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:25:54,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-20 12:25:54,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937957919] [2022-11-20 12:25:54,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:25:54,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:25:54,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:25:54,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:25:54,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:25:54,268 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:25:54,278 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2022-11-20 12:25:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:25:54,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-11-20 12:25:54,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:25:54,280 INFO L225 Difference]: With dead ends: 51 [2022-11-20 12:25:54,280 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:25:54,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:25:54,287 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:25:54,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:25:54,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:25:54,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:25:54,290 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) [2022-11-20 12:25:54,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:25:54,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2022-11-20 12:25:54,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:25:54,292 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:25:54,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:25:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:25:54,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:25:54,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:25:54,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:25:54,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 12:25:54,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:25:54,604 INFO L902 garLoopResultBuilder]: At program point L1439(lines 1421 1440) the Hoare annotation is: true [2022-11-20 12:25:54,604 INFO L902 garLoopResultBuilder]: At program point L1456(lines 1441 1457) the Hoare annotation is: true [2022-11-20 12:25:54,604 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1377) no Hoare annotation was computed. [2022-11-20 12:25:54,605 INFO L899 garLoopResultBuilder]: For program point L1357-1(lines 1357 1377) no Hoare annotation was computed. [2022-11-20 12:25:54,605 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:25:54,605 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-20 12:25:54,605 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-20 12:25:54,606 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-11-20 12:25:54,606 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-11-20 12:25:54,606 INFO L899 garLoopResultBuilder]: For program point L1606-4(lines 1606 1613) no Hoare annotation was computed. [2022-11-20 12:25:54,607 INFO L902 garLoopResultBuilder]: At program point L1590(lines 1586 1591) the Hoare annotation is: true [2022-11-20 12:25:54,607 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1492) no Hoare annotation was computed. [2022-11-20 12:25:54,607 INFO L899 garLoopResultBuilder]: For program point L1359(lines 1359 1376) no Hoare annotation was computed. [2022-11-20 12:25:54,607 INFO L899 garLoopResultBuilder]: For program point L1410(lines 1410 1411) no Hoare annotation was computed. [2022-11-20 12:25:54,607 INFO L899 garLoopResultBuilder]: For program point L1427(lines 1427 1436) no Hoare annotation was computed. [2022-11-20 12:25:54,608 INFO L899 garLoopResultBuilder]: For program point L1427-2(lines 1422 1440) no Hoare annotation was computed. [2022-11-20 12:25:54,608 INFO L902 garLoopResultBuilder]: At program point L1510(lines 1497 1511) the Hoare annotation is: true [2022-11-20 12:25:54,608 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1375) no Hoare annotation was computed. [2022-11-20 12:25:54,608 INFO L902 garLoopResultBuilder]: At program point L1478(lines 1462 1479) the Hoare annotation is: true [2022-11-20 12:25:54,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:25:54,609 INFO L902 garLoopResultBuilder]: At program point L1495(lines 1480 1496) the Hoare annotation is: true [2022-11-20 12:25:54,609 INFO L899 garLoopResultBuilder]: For program point L1611-2(lines 1611 1612) no Hoare annotation was computed. [2022-11-20 12:25:54,609 INFO L895 garLoopResultBuilder]: At program point L1611-3(lines 1611 1612) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-11-20 12:25:54,610 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 1453) no Hoare annotation was computed. [2022-11-20 12:25:54,610 INFO L899 garLoopResultBuilder]: For program point L1446-1(lines 1446 1453) no Hoare annotation was computed. [2022-11-20 12:25:54,610 INFO L895 garLoopResultBuilder]: At program point L1347(lines 1338 1350) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-11-20 12:25:54,610 INFO L899 garLoopResultBuilder]: For program point L1364(lines 1364 1374) no Hoare annotation was computed. [2022-11-20 12:25:54,611 INFO L899 garLoopResultBuilder]: For program point L1447-1(lines 1447 1453) no Hoare annotation was computed. [2022-11-20 12:25:54,611 INFO L899 garLoopResultBuilder]: For program point L1447-3(lines 1447 1453) no Hoare annotation was computed. [2022-11-20 12:25:54,611 INFO L902 garLoopResultBuilder]: At program point L1447-4(lines 1447 1453) the Hoare annotation is: true [2022-11-20 12:25:54,611 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1596 1597) no Hoare annotation was computed. [2022-11-20 12:25:54,612 INFO L902 garLoopResultBuilder]: At program point L1596-3(lines 1596 1597) the Hoare annotation is: true [2022-11-20 12:25:54,612 INFO L899 garLoopResultBuilder]: For program point L1596-4(lines 1596 1597) no Hoare annotation was computed. [2022-11-20 12:25:54,612 INFO L899 garLoopResultBuilder]: For program point L1431(lines 1431 1434) no Hoare annotation was computed. [2022-11-20 12:25:54,612 INFO L899 garLoopResultBuilder]: For program point L1431-2(lines 1431 1434) no Hoare annotation was computed. [2022-11-20 12:25:54,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:25:54,613 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1494) no Hoare annotation was computed. [2022-11-20 12:25:54,613 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 1482 1494) no Hoare annotation was computed. [2022-11-20 12:25:54,613 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2022-11-20 12:25:54,613 INFO L899 garLoopResultBuilder]: For program point L1400(lines 1400 1413) no Hoare annotation was computed. [2022-11-20 12:25:54,614 INFO L899 garLoopResultBuilder]: For program point L1466-2(lines 1466 1477) no Hoare annotation was computed. [2022-11-20 12:25:54,614 INFO L899 garLoopResultBuilder]: For program point L1367(lines 1367 1373) no Hoare annotation was computed. [2022-11-20 12:25:54,614 INFO L899 garLoopResultBuilder]: For program point L1400-1(lines 1400 1413) no Hoare annotation was computed. [2022-11-20 12:25:54,614 INFO L902 garLoopResultBuilder]: At program point L1466-3(lines 1466 1477) the Hoare annotation is: true [2022-11-20 12:25:54,614 INFO L899 garLoopResultBuilder]: For program point L1334(lines 1334 1392) no Hoare annotation was computed. [2022-11-20 12:25:54,615 INFO L899 garLoopResultBuilder]: For program point L1466-4(lines 1466 1477) no Hoare annotation was computed. [2022-11-20 12:25:54,615 INFO L899 garLoopResultBuilder]: For program point L1334-1(lines 1325 1420) no Hoare annotation was computed. [2022-11-20 12:25:54,615 INFO L899 garLoopResultBuilder]: For program point L1615-2(lines 1615 1616) no Hoare annotation was computed. [2022-11-20 12:25:54,615 INFO L902 garLoopResultBuilder]: At program point L1615-3(lines 1615 1616) the Hoare annotation is: true [2022-11-20 12:25:54,616 INFO L899 garLoopResultBuilder]: For program point L1615-4(lines 1615 1616) no Hoare annotation was computed. [2022-11-20 12:25:54,616 INFO L899 garLoopResultBuilder]: For program point L1351-1(lines 1351 1385) no Hoare annotation was computed. [2022-11-20 12:25:54,616 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1493) no Hoare annotation was computed. [2022-11-20 12:25:54,616 INFO L899 garLoopResultBuilder]: For program point L1501-1(lines 1501 1509) no Hoare annotation was computed. [2022-11-20 12:25:54,616 INFO L902 garLoopResultBuilder]: At program point L1501-3(lines 1501 1509) the Hoare annotation is: true [2022-11-20 12:25:54,617 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1372) no Hoare annotation was computed. [2022-11-20 12:25:54,617 INFO L899 garLoopResultBuilder]: For program point L1501-4(lines 1501 1509) no Hoare annotation was computed. [2022-11-20 12:25:54,617 INFO L902 garLoopResultBuilder]: At program point L1419(lines 1324 1420) the Hoare annotation is: true [2022-11-20 12:25:54,617 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:25:54,617 INFO L899 garLoopResultBuilder]: For program point L1469(lines 1469 1474) no Hoare annotation was computed. [2022-11-20 12:25:54,618 INFO L899 garLoopResultBuilder]: For program point L1403(lines 1403 1412) no Hoare annotation was computed. [2022-11-20 12:25:54,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1371) no Hoare annotation was computed. [2022-11-20 12:25:54,618 INFO L899 garLoopResultBuilder]: For program point L1387(lines 1387 1391) no Hoare annotation was computed. [2022-11-20 12:25:54,618 INFO L902 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: true [2022-11-20 12:25:54,618 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-20 12:25:54,619 INFO L899 garLoopResultBuilder]: For program point L1371(line 1371) no Hoare annotation was computed. [2022-11-20 12:25:54,619 INFO L895 garLoopResultBuilder]: At program point L1338(lines 1338 1350) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-11-20 12:25:54,619 INFO L899 garLoopResultBuilder]: For program point L1338-2(lines 1335 1392) no Hoare annotation was computed. [2022-11-20 12:25:54,619 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1507) no Hoare annotation was computed. [2022-11-20 12:25:54,620 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1472) no Hoare annotation was computed. [2022-11-20 12:25:54,620 INFO L902 garLoopResultBuilder]: At program point L1620(lines 1592 1621) the Hoare annotation is: true [2022-11-20 12:25:54,620 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2022-11-20 12:25:54,620 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2022-11-20 12:25:54,620 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2022-11-20 12:25:54,621 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-11-20 12:25:54,625 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-11-20 12:25:54,628 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:25:54,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:25:54 BoogieIcfgContainer [2022-11-20 12:25:54,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:25:54,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:25:54,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:25:54,648 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:25:54,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:25:49" (3/4) ... [2022-11-20 12:25:54,652 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:25:54,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 12:25:54,677 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2022-11-20 12:25:54,677 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 12:25:54,678 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:25:54,679 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:25:54,679 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:25:54,680 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:25:54,791 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:25:54,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:25:54,792 INFO L158 Benchmark]: Toolchain (without parser) took 7778.71ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 110.3MB in the beginning and 72.7MB in the end (delta: 37.6MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,792 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:25:54,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.79ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 66.8MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.33ms. Allocated memory is still 155.2MB. Free memory was 66.3MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,793 INFO L158 Benchmark]: Boogie Preprocessor took 78.41ms. Allocated memory is still 155.2MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,794 INFO L158 Benchmark]: RCFGBuilder took 1065.42ms. Allocated memory is still 155.2MB. Free memory was 59.0MB in the beginning and 91.7MB in the end (delta: -32.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,794 INFO L158 Benchmark]: TraceAbstraction took 5397.93ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 91.7MB in the beginning and 79.0MB in the end (delta: 12.7MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,795 INFO L158 Benchmark]: Witness Printer took 143.77ms. Allocated memory is still 195.0MB. Free memory was 79.0MB in the beginning and 72.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:25:54,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.79ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 66.8MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.33ms. Allocated memory is still 155.2MB. Free memory was 66.3MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.41ms. Allocated memory is still 155.2MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.42ms. Allocated memory is still 155.2MB. Free memory was 59.0MB in the beginning and 91.7MB in the end (delta: -32.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5397.93ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 91.7MB in the beginning and 79.0MB in the end (delta: 12.7MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 143.77ms. Allocated memory is still 195.0MB. Free memory was 79.0MB in the beginning and 72.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1371]: 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 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 6, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 600 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 372 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 228 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 25 PreInvPairs, 56 NumberOfFragments, 44 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 340 NumberOfCodeBlocks, 305 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1318 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 260/316 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: 1501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 <= argc && argc <= 10000 - InvariantResult [Line: 1462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1606]: Loop Invariant Derived loop invariant: 1 <= argc && argc <= 10000 - InvariantResult [Line: 1421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1338]: Loop Invariant Derived loop invariant: 1 <= argc && argc <= 10000 - InvariantResult [Line: 1447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1338]: Loop Invariant Derived loop invariant: 1 <= argc && argc <= 10000 - InvariantResult [Line: 1497]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:25:54,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6125b684-4670-4177-8ac9-09f608acba11/bin/uautomizer-ug76WZFUDN/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