./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 153b6d90c91de27e09ed3c918b0b1be779b258e790f6fc392e7d5f390719c2db --- 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-e04fb08 [2022-11-16 11:35:34,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:35:34,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:35:34,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:35:34,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:35:34,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:35:34,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:35:34,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:35:34,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:35:34,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:35:34,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:35:34,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:35:34,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:35:34,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:35:34,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:35:34,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:35:34,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:35:34,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:35:34,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:35:34,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:35:34,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:35:34,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:35:34,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:35:34,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:35:34,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:35:34,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:35:34,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:35:34,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:35:34,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:35:34,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:35:34,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:35:34,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:35:34,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:35:34,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:35:34,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:35:34,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:35:34,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:35:34,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:35:34,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:35:34,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:35:34,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:35:34,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:35:35,040 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:35:35,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:35:35,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:35:35,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:35:35,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:35:35,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:35:35,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:35:35,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:35:35,045 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:35:35,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:35:35,046 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:35:35,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:35:35,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:35:35,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:35:35,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:35:35,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:35:35,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:35:35,048 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:35:35,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:35:35,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:35:35,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:35:35,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:35:35,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:35:35,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:35:35,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:35,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:35:35,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:35:35,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:35:35,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:35:35,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:35:35,051 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:35:35,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:35:35,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:35:35,052 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_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153b6d90c91de27e09ed3c918b0b1be779b258e790f6fc392e7d5f390719c2db [2022-11-16 11:35:35,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:35:35,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:35:35,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:35:35,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:35:35,411 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:35:35,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c [2022-11-16 11:35:35,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/data/c6dfc4b40/bd6e05cbc5294bb794e7c63f9a1b3f0d/FLAG944fe4c49 [2022-11-16 11:35:36,037 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:35:36,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c [2022-11-16 11:35:36,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/data/c6dfc4b40/bd6e05cbc5294bb794e7c63f9a1b3f0d/FLAG944fe4c49 [2022-11-16 11:35:36,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/data/c6dfc4b40/bd6e05cbc5294bb794e7c63f9a1b3f0d [2022-11-16 11:35:36,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:35:36,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:35:36,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:35:36,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:35:36,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:35:36,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499cc847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36, skipping insertion in model container [2022-11-16 11:35:36,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:35:36,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:35:36,655 WARN L229 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_2838b27a-3423-4503-bdfa-333666d62d32/sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c[8244,8257] [2022-11-16 11:35:36,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:35:36,680 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:35:36,723 WARN L229 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_2838b27a-3423-4503-bdfa-333666d62d32/sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c[8244,8257] [2022-11-16 11:35:36,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:35:36,749 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:35:36,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36 WrapperNode [2022-11-16 11:35:36,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:35:36,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:35:36,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:35:36,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:35:36,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,792 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2022-11-16 11:35:36,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:35:36,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:35:36,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:35:36,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:35:36,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:35:36,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:35:36,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:35:36,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:35:36,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (1/1) ... [2022-11-16 11:35:36,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:36,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:35:36,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:35:36,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:35:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:35:36,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:35:36,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:35:36,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:35:37,006 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:35:37,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:35:37,259 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:35:37,266 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:35:37,266 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:35:37,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:35:37 BoogieIcfgContainer [2022-11-16 11:35:37,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:35:37,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:35:37,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:35:37,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:35:37,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:35:36" (1/3) ... [2022-11-16 11:35:37,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaa62db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:37, skipping insertion in model container [2022-11-16 11:35:37,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:36" (2/3) ... [2022-11-16 11:35:37,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaa62db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:37, skipping insertion in model container [2022-11-16 11:35:37,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:35:37" (3/3) ... [2022-11-16 11:35:37,288 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1b.cil.c [2022-11-16 11:35:37,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:35:37,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:35:37,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:35:37,425 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;@3b31b47e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:35:37,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:35:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 23 states have internal predecessors, (39), 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) [2022-11-16 11:35:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:35:37,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:37,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:35:37,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:37,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash 28699838, now seen corresponding path program 1 times [2022-11-16 11:35:37,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:37,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086763062] [2022-11-16 11:35:37,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:37,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:35:37,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:37,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086763062] [2022-11-16 11:35:37,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086763062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:37,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:37,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:35:37,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183462804] [2022-11-16 11:35:37,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:37,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:35:37,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:37,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:35:37,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:37,788 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 11:35:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:37,890 INFO L93 Difference]: Finished difference Result 65 states and 109 transitions. [2022-11-16 11:35:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:35:37,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 11:35:37,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:37,910 INFO L225 Difference]: With dead ends: 65 [2022-11-16 11:35:37,911 INFO L226 Difference]: Without dead ends: 35 [2022-11-16 11:35:37,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:37,918 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:37,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 53 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:35:37,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-16 11:35:37,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-16 11:35:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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) [2022-11-16 11:35:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2022-11-16 11:35:37,959 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 5 [2022-11-16 11:35:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:37,960 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2022-11-16 11:35:37,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 11:35:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2022-11-16 11:35:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:35:37,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:37,961 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:37,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:35:37,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:37,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1523322994, now seen corresponding path program 1 times [2022-11-16 11:35:37,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:37,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25352356] [2022-11-16 11:35:37,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:37,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:35:38,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:38,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25352356] [2022-11-16 11:35:38,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25352356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:38,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:38,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:35:38,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46614804] [2022-11-16 11:35:38,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:38,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:35:38,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:35:38,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,017 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 11:35:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:38,073 INFO L93 Difference]: Finished difference Result 66 states and 99 transitions. [2022-11-16 11:35:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:35:38,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-16 11:35:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:38,075 INFO L225 Difference]: With dead ends: 66 [2022-11-16 11:35:38,075 INFO L226 Difference]: Without dead ends: 48 [2022-11-16 11:35:38,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,078 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 15 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:38,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 57 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:35:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-16 11:35:38,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-16 11:35:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 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) [2022-11-16 11:35:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2022-11-16 11:35:38,090 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 10 [2022-11-16 11:35:38,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:38,091 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2022-11-16 11:35:38,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 11:35:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2022-11-16 11:35:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:35:38,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:38,092 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:38,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:35:38,093 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:38,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:38,094 INFO L85 PathProgramCache]: Analyzing trace with hash 864936600, now seen corresponding path program 1 times [2022-11-16 11:35:38,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:38,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560648393] [2022-11-16 11:35:38,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:38,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:35:38,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:38,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560648393] [2022-11-16 11:35:38,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560648393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:38,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:38,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:35:38,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374621477] [2022-11-16 11:35:38,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:38,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:35:38,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:38,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:35:38,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,144 INFO L87 Difference]: Start difference. First operand 48 states and 67 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-16 11:35:38,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:38,184 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2022-11-16 11:35:38,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:35:38,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 11:35:38,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:38,186 INFO L225 Difference]: With dead ends: 89 [2022-11-16 11:35:38,186 INFO L226 Difference]: Without dead ends: 58 [2022-11-16 11:35:38,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,189 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:38,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 45 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:35:38,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-16 11:35:38,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2022-11-16 11:35:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 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) [2022-11-16 11:35:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2022-11-16 11:35:38,201 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 17 [2022-11-16 11:35:38,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:38,201 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2022-11-16 11:35:38,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-16 11:35:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-16 11:35:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:35:38,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:38,203 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:38,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:35:38,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:38,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:38,204 INFO L85 PathProgramCache]: Analyzing trace with hash 163872022, now seen corresponding path program 1 times [2022-11-16 11:35:38,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:38,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901352168] [2022-11-16 11:35:38,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:35:38,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:38,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901352168] [2022-11-16 11:35:38,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901352168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:38,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:38,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:35:38,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714265797] [2022-11-16 11:35:38,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:38,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:35:38,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:35:38,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,281 INFO L87 Difference]: Start difference. First operand 56 states and 76 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-16 11:35:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:38,346 INFO L93 Difference]: Finished difference Result 116 states and 163 transitions. [2022-11-16 11:35:38,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:35:38,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 11:35:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:38,348 INFO L225 Difference]: With dead ends: 116 [2022-11-16 11:35:38,348 INFO L226 Difference]: Without dead ends: 77 [2022-11-16 11:35:38,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,350 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 20 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:38,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 59 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:35:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-16 11:35:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2022-11-16 11:35:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2022-11-16 11:35:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions. [2022-11-16 11:35:38,372 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 17 [2022-11-16 11:35:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:38,372 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 102 transitions. [2022-11-16 11:35:38,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-16 11:35:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2022-11-16 11:35:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:35:38,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:38,374 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:38,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:35:38,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:38,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1464847913, now seen corresponding path program 1 times [2022-11-16 11:35:38,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:38,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550045423] [2022-11-16 11:35:38,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:38,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:35:38,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:38,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550045423] [2022-11-16 11:35:38,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550045423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:38,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:38,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:35:38,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427522122] [2022-11-16 11:35:38,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:38,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:35:38,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:38,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:35:38,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,480 INFO L87 Difference]: Start difference. First operand 75 states and 102 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-16 11:35:38,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:38,537 INFO L93 Difference]: Finished difference Result 144 states and 197 transitions. [2022-11-16 11:35:38,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:35:38,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-16 11:35:38,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:38,539 INFO L225 Difference]: With dead ends: 144 [2022-11-16 11:35:38,539 INFO L226 Difference]: Without dead ends: 57 [2022-11-16 11:35:38,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,541 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 13 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:38,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 35 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:35:38,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-16 11:35:38,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2022-11-16 11:35:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 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) [2022-11-16 11:35:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2022-11-16 11:35:38,552 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 20 [2022-11-16 11:35:38,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:38,553 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2022-11-16 11:35:38,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-16 11:35:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2022-11-16 11:35:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 11:35:38,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:38,554 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:38,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:35:38,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:38,556 INFO L85 PathProgramCache]: Analyzing trace with hash -12347436, now seen corresponding path program 1 times [2022-11-16 11:35:38,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:38,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217148390] [2022-11-16 11:35:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:38,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 11:35:38,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:38,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217148390] [2022-11-16 11:35:38,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217148390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:38,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:38,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:35:38,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705579812] [2022-11-16 11:35:38,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:38,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:35:38,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:38,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:35:38,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,639 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-16 11:35:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:38,662 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2022-11-16 11:35:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:35:38,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-16 11:35:38,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:38,664 INFO L225 Difference]: With dead ends: 88 [2022-11-16 11:35:38,664 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:35:38,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:35:38,666 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:38,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:35:38,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:35:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:35:38,668 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) [2022-11-16 11:35:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:35:38,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-16 11:35:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:38,669 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:35:38,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-16 11:35:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:35:38,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:35:38,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:35:38,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:35:38,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:35:38,813 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 65 118) no Hoare annotation was computed. [2022-11-16 11:35:38,814 INFO L902 garLoopResultBuilder]: At program point L151(lines 20 152) the Hoare annotation is: true [2022-11-16 11:35:38,814 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 85) no Hoare annotation was computed. [2022-11-16 11:35:38,814 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 139) no Hoare annotation was computed. [2022-11-16 11:35:38,815 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 65 118) no Hoare annotation was computed. [2022-11-16 11:35:38,815 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:35:38,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:35:38,815 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 120) no Hoare annotation was computed. [2022-11-16 11:35:38,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:35:38,816 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 122) no Hoare annotation was computed. [2022-11-16 11:35:38,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2022-11-16 11:35:38,816 INFO L902 garLoopResultBuilder]: At program point L148(lines 20 152) the Hoare annotation is: true [2022-11-16 11:35:38,816 INFO L895 garLoopResultBuilder]: At program point L111(lines 29 146) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_main_~s__hit~0#1| 0)) (= |ULTIMATE.start_main_~blastFlag~0#1| 3) (<= 8640 |ULTIMATE.start_main_~s__state~0#1|)) (= |ULTIMATE.start_main_~blastFlag~0#1| 2) (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) [2022-11-16 11:35:38,817 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 109) no Hoare annotation was computed. [2022-11-16 11:35:38,817 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 136) no Hoare annotation was computed. [2022-11-16 11:35:38,817 INFO L895 garLoopResultBuilder]: At program point L37(lines 36 139) the Hoare annotation is: (or (= |ULTIMATE.start_main_~blastFlag~0#1| 2) (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) [2022-11-16 11:35:38,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:35:38,818 INFO L895 garLoopResultBuilder]: At program point L62(lines 61 120) the Hoare annotation is: (let ((.cse0 (<= 8640 |ULTIMATE.start_main_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) (and (not (= |ULTIMATE.start_main_~s__hit~0#1| 0)) (= |ULTIMATE.start_main_~blastFlag~0#1| 3) .cse0) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 2) .cse0))) [2022-11-16 11:35:38,818 INFO L895 garLoopResultBuilder]: At program point L58(lines 57 122) the Hoare annotation is: (let ((.cse0 (<= 8640 |ULTIMATE.start_main_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~blastFlag~0#1| 0)) (and (not (= |ULTIMATE.start_main_~s__hit~0#1| 0)) (= |ULTIMATE.start_main_~blastFlag~0#1| 3) .cse0) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 2) .cse0))) [2022-11-16 11:35:38,818 INFO L895 garLoopResultBuilder]: At program point L108(lines 20 152) the Hoare annotation is: false [2022-11-16 11:35:38,818 INFO L895 garLoopResultBuilder]: At program point L42(lines 41 136) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~s__state~0#1| 8512))) (or (and (= |ULTIMATE.start_main_~blastFlag~0#1| 0) .cse0) (and (= |ULTIMATE.start_main_~blastFlag~0#1| 2) .cse0))) [2022-11-16 11:35:38,819 INFO L899 garLoopResultBuilder]: For program point L104-1(lines 65 118) no Hoare annotation was computed. [2022-11-16 11:35:38,819 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 65 118) no Hoare annotation was computed. [2022-11-16 11:35:38,819 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-11-16 11:35:38,823 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-16 11:35:38,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:35:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:35:38 BoogieIcfgContainer [2022-11-16 11:35:38,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:35:38,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:35:38,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:35:38,844 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:35:38,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:35:37" (3/4) ... [2022-11-16 11:35:38,847 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:35:38,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-16 11:35:38,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:35:38,859 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:35:38,859 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:35:38,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:35:38,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:35:38,901 INFO L158 Benchmark]: Toolchain (without parser) took 2528.02ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 55.7MB in the end (delta: 34.1MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,902 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:35:38,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.51ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 99.8MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.51ms. Allocated memory is still 123.7MB. Free memory was 99.8MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,903 INFO L158 Benchmark]: Boogie Preprocessor took 48.79ms. Allocated memory is still 123.7MB. Free memory was 98.3MB in the beginning and 97.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,904 INFO L158 Benchmark]: RCFGBuilder took 426.57ms. Allocated memory is still 123.7MB. Free memory was 97.2MB in the beginning and 86.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,904 INFO L158 Benchmark]: TraceAbstraction took 1569.88ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 58.4MB in the end (delta: 27.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,905 INFO L158 Benchmark]: Witness Printer took 57.46ms. Allocated memory is still 123.7MB. Free memory was 58.4MB in the beginning and 55.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:35:38,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.51ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 99.8MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.51ms. Allocated memory is still 123.7MB. Free memory was 99.8MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.79ms. Allocated memory is still 123.7MB. Free memory was 98.3MB in the beginning and 97.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.57ms. Allocated memory is still 123.7MB. Free memory was 97.2MB in the beginning and 86.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1569.88ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 58.4MB in the end (delta: 27.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 57.46ms. Allocated memory is still 123.7MB. Free memory was 58.4MB in the beginning and 55.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. 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: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 296 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 202 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 31 NumberOfFragments, 95 HoareAnnotationTreeSize, 8 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 43/43 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: 61]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag == 0) || ((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state)) || (blastFlag == 2 && 8640 <= s__state) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state) || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag == 0) || ((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state)) || (blastFlag == 2 && 8640 <= s__state) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (blastFlag == 0 && s__state == 8512) || (blastFlag == 2 && s__state == 8512) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: blastFlag == 2 || blastFlag == 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:35:38,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2838b27a-3423-4503-bdfa-333666d62d32/bin/uautomizer-tPACEb0tL8/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