./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro --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 e4dd87ffa8279e5be73819f1eecf23f4704317559faef100e8eb60d719eb066b --- 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-8393723 [2022-11-18 19:50:04,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:50:04,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:50:04,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:50:04,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:50:04,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:50:04,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:50:04,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:50:04,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:50:04,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:50:04,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:50:04,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:50:04,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:50:04,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:50:04,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:50:04,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:50:04,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:50:04,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:50:04,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:50:04,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:50:04,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:50:04,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:50:04,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:50:04,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:50:04,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:50:04,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:50:04,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:50:04,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:50:04,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:50:04,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:50:04,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:50:04,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:50:04,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:50:04,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:50:04,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:50:04,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:50:04,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:50:04,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:50:04,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:50:04,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:50:04,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:50:04,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:50:04,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:50:04,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:50:04,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:50:04,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:50:04,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:50:04,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:50:04,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:50:04,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:50:04,619 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:50:04,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:50:04,620 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:50:04,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:50:04,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:50:04,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:50:04,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:50:04,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:50:04,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:50:04,622 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:50:04,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:50:04,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:50:04,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:50:04,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:50:04,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:50:04,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:50:04,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:50:04,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:50:04,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:50:04,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:50:04,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:50:04,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:50:04,627 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:50:04,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:50:04,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:50:04,628 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_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4dd87ffa8279e5be73819f1eecf23f4704317559faef100e8eb60d719eb066b [2022-11-18 19:50:04,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:50:05,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:50:05,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:50:05,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:50:05,044 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:50:05,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c [2022-11-18 19:50:05,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/data/f6d137d31/b86d859dba9e486c925f3e71a61e4c99/FLAG1aab0ee0a [2022-11-18 19:50:05,765 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:50:05,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/sv-benchmarks/c/eca-rers2012/Problem01_label31.c [2022-11-18 19:50:05,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/data/f6d137d31/b86d859dba9e486c925f3e71a61e4c99/FLAG1aab0ee0a [2022-11-18 19:50:06,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/data/f6d137d31/b86d859dba9e486c925f3e71a61e4c99 [2022-11-18 19:50:06,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:50:06,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:50:06,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:50:06,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:50:06,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:50:06,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475d5db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06, skipping insertion in model container [2022-11-18 19:50:06,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:50:06,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:50:06,594 WARN L234 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_f6ac177e-4d59-497f-8ab4-454b6797105e/sv-benchmarks/c/eca-rers2012/Problem01_label31.c[16993,17006] [2022-11-18 19:50:06,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:50:06,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:50:06,826 WARN L234 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_f6ac177e-4d59-497f-8ab4-454b6797105e/sv-benchmarks/c/eca-rers2012/Problem01_label31.c[16993,17006] [2022-11-18 19:50:06,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:50:06,865 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:50:06,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06 WrapperNode [2022-11-18 19:50:06,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:50:06,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:50:06,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:50:06,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:50:06,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,964 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-11-18 19:50:06,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:50:06,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:50:06,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:50:06,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:50:06,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:06,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:07,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:07,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:07,015 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:07,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:50:07,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:50:07,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:50:07,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:50:07,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (1/1) ... [2022-11-18 19:50:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:50:07,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:07,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:50:07,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:50:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:50:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:50:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:50:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:50:07,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:50:07,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:50:08,673 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:50:08,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:50:08,692 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:50:08,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:50:08 BoogieIcfgContainer [2022-11-18 19:50:08,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:50:08,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:50:08,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:50:08,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:50:08,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:50:06" (1/3) ... [2022-11-18 19:50:08,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:50:08, skipping insertion in model container [2022-11-18 19:50:08,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:06" (2/3) ... [2022-11-18 19:50:08,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:50:08, skipping insertion in model container [2022-11-18 19:50:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:50:08" (3/3) ... [2022-11-18 19:50:08,709 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label31.c [2022-11-18 19:50:08,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:50:08,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:50:08,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:50:08,834 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;@891a721, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:50:08,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:50:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-18 19:50:08,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:08,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:08,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:08,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:08,869 INFO L85 PathProgramCache]: Analyzing trace with hash 779606815, now seen corresponding path program 1 times [2022-11-18 19:50:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:08,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763769465] [2022-11-18 19:50:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:09,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:09,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763769465] [2022-11-18 19:50:09,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763769465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:09,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:09,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:50:09,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015712653] [2022-11-18 19:50:09,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:09,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:09,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:09,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:09,658 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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) [2022-11-18 19:50:10,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:10,718 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-11-18 19:50:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:10,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 92 [2022-11-18 19:50:10,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:10,755 INFO L225 Difference]: With dead ends: 528 [2022-11-18 19:50:10,755 INFO L226 Difference]: Without dead ends: 266 [2022-11-18 19:50:10,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:10,771 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 103 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:10,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 44 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 19:50:10,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-18 19:50:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-11-18 19:50:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4792452830188678) internal successors, (392), 265 states have internal predecessors, (392), 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) [2022-11-18 19:50:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 392 transitions. [2022-11-18 19:50:10,879 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 392 transitions. Word has length 92 [2022-11-18 19:50:10,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:10,880 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 392 transitions. [2022-11-18 19:50:10,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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) [2022-11-18 19:50:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 392 transitions. [2022-11-18 19:50:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-18 19:50:10,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:10,892 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:10,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:50:10,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:10,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1838806263, now seen corresponding path program 1 times [2022-11-18 19:50:10,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:10,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845373626] [2022-11-18 19:50:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:10,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:11,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:11,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845373626] [2022-11-18 19:50:11,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845373626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:11,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:11,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:50:11,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859236764] [2022-11-18 19:50:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:11,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:11,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:11,116 INFO L87 Difference]: Start difference. First operand 266 states and 392 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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) [2022-11-18 19:50:11,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:11,723 INFO L93 Difference]: Finished difference Result 792 states and 1171 transitions. [2022-11-18 19:50:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:11,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 97 [2022-11-18 19:50:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:11,727 INFO L225 Difference]: With dead ends: 792 [2022-11-18 19:50:11,727 INFO L226 Difference]: Without dead ends: 528 [2022-11-18 19:50:11,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:11,730 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:11,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 29 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:50:11,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-18 19:50:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-11-18 19:50:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.413662239089184) internal successors, (745), 527 states have internal predecessors, (745), 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) [2022-11-18 19:50:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2022-11-18 19:50:11,767 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 97 [2022-11-18 19:50:11,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:11,768 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2022-11-18 19:50:11,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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) [2022-11-18 19:50:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2022-11-18 19:50:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 19:50:11,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:11,772 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:11,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:50:11,773 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:11,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:11,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1448509982, now seen corresponding path program 1 times [2022-11-18 19:50:11,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:11,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006347136] [2022-11-18 19:50:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:11,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:12,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:12,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006347136] [2022-11-18 19:50:12,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006347136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:12,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:12,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:50:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424703772] [2022-11-18 19:50:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:12,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:12,171 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2022-11-18 19:50:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:12,820 INFO L93 Difference]: Finished difference Result 1447 states and 2032 transitions. [2022-11-18 19:50:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:12,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 107 [2022-11-18 19:50:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:12,825 INFO L225 Difference]: With dead ends: 1447 [2022-11-18 19:50:12,826 INFO L226 Difference]: Without dead ends: 921 [2022-11-18 19:50:12,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:12,830 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:12,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 56 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:50:12,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-11-18 19:50:12,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2022-11-18 19:50:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.3219264892268694) internal successors, (1043), 789 states have internal predecessors, (1043), 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) [2022-11-18 19:50:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1043 transitions. [2022-11-18 19:50:12,862 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1043 transitions. Word has length 107 [2022-11-18 19:50:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:12,862 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 1043 transitions. [2022-11-18 19:50:12,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2022-11-18 19:50:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1043 transitions. [2022-11-18 19:50:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-18 19:50:12,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:12,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:12,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:50:12,867 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:12,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:12,868 INFO L85 PathProgramCache]: Analyzing trace with hash -172560370, now seen corresponding path program 1 times [2022-11-18 19:50:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:12,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181785768] [2022-11-18 19:50:12,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:12,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 19:50:13,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:13,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181785768] [2022-11-18 19:50:13,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181785768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:13,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:13,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:50:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927551953] [2022-11-18 19:50:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:13,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:13,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:13,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:13,103 INFO L87 Difference]: Start difference. First operand 790 states and 1043 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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) [2022-11-18 19:50:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:13,782 INFO L93 Difference]: Finished difference Result 1840 states and 2437 transitions. [2022-11-18 19:50:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:13,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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 108 [2022-11-18 19:50:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:13,788 INFO L225 Difference]: With dead ends: 1840 [2022-11-18 19:50:13,788 INFO L226 Difference]: Without dead ends: 1052 [2022-11-18 19:50:13,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:13,791 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:13,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 60 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:50:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-11-18 19:50:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2022-11-18 19:50:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.2768791627021885) internal successors, (1342), 1051 states have internal predecessors, (1342), 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) [2022-11-18 19:50:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1342 transitions. [2022-11-18 19:50:13,824 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1342 transitions. Word has length 108 [2022-11-18 19:50:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:13,825 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1342 transitions. [2022-11-18 19:50:13,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 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) [2022-11-18 19:50:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1342 transitions. [2022-11-18 19:50:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-18 19:50:13,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:13,828 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:13,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:50:13,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:13,829 INFO L85 PathProgramCache]: Analyzing trace with hash 957692134, now seen corresponding path program 1 times [2022-11-18 19:50:13,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:13,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73427212] [2022-11-18 19:50:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:13,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:14,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:14,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73427212] [2022-11-18 19:50:14,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73427212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:14,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:14,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:50:14,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890267309] [2022-11-18 19:50:14,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:14,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:50:14,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:50:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:50:14,147 INFO L87 Difference]: Start difference. First operand 1052 states and 1342 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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) [2022-11-18 19:50:15,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:15,054 INFO L93 Difference]: Finished difference Result 2626 states and 3314 transitions. [2022-11-18 19:50:15,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:50:15,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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 111 [2022-11-18 19:50:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:15,061 INFO L225 Difference]: With dead ends: 2626 [2022-11-18 19:50:15,061 INFO L226 Difference]: Without dead ends: 1576 [2022-11-18 19:50:15,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:50:15,064 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 396 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:15,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 58 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:50:15,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-11-18 19:50:15,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2022-11-18 19:50:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.247229916897507) internal successors, (1801), 1444 states have internal predecessors, (1801), 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) [2022-11-18 19:50:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1801 transitions. [2022-11-18 19:50:15,109 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1801 transitions. Word has length 111 [2022-11-18 19:50:15,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:15,109 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1801 transitions. [2022-11-18 19:50:15,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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) [2022-11-18 19:50:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1801 transitions. [2022-11-18 19:50:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-18 19:50:15,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:15,113 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:15,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:50:15,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:15,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:15,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1450875047, now seen corresponding path program 1 times [2022-11-18 19:50:15,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:15,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090833523] [2022-11-18 19:50:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:15,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:15,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090833523] [2022-11-18 19:50:15,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090833523] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:15,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751399717] [2022-11-18 19:50:15,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:15,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:15,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:50:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:15,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:50:15,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-18 19:50:15,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:15,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751399717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:15,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:15,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-18 19:50:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781987895] [2022-11-18 19:50:15,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:15,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:15,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:15,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:15,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:15,924 INFO L87 Difference]: Start difference. First operand 1445 states and 1801 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2022-11-18 19:50:16,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:16,483 INFO L93 Difference]: Finished difference Result 2233 states and 2734 transitions. [2022-11-18 19:50:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:16,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 129 [2022-11-18 19:50:16,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:16,495 INFO L225 Difference]: With dead ends: 2233 [2022-11-18 19:50:16,495 INFO L226 Difference]: Without dead ends: 2231 [2022-11-18 19:50:16,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:16,508 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 63 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:16,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 31 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:50:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-11-18 19:50:16,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2022-11-18 19:50:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.2246636771300448) internal successors, (2731), 2230 states have internal predecessors, (2731), 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) [2022-11-18 19:50:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2731 transitions. [2022-11-18 19:50:16,589 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2731 transitions. Word has length 129 [2022-11-18 19:50:16,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:16,591 INFO L495 AbstractCegarLoop]: Abstraction has 2231 states and 2731 transitions. [2022-11-18 19:50:16,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2022-11-18 19:50:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2731 transitions. [2022-11-18 19:50:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-18 19:50:16,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:16,596 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:16,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:16,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 19:50:16,804 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:16,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2027754892, now seen corresponding path program 1 times [2022-11-18 19:50:16,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:16,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432144891] [2022-11-18 19:50:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:17,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:17,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432144891] [2022-11-18 19:50:17,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432144891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:17,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:17,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:50:17,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895201587] [2022-11-18 19:50:17,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:17,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:17,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:17,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:17,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:50:17,033 INFO L87 Difference]: Start difference. First operand 2231 states and 2731 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-11-18 19:50:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:17,656 INFO L93 Difference]: Finished difference Result 4853 states and 5943 transitions. [2022-11-18 19:50:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 136 [2022-11-18 19:50:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:17,670 INFO L225 Difference]: With dead ends: 4853 [2022-11-18 19:50:17,671 INFO L226 Difference]: Without dead ends: 2362 [2022-11-18 19:50:17,676 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 [2022-11-18 19:50:17,679 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 102 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:17,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 193 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:50:17,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-11-18 19:50:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2022-11-18 19:50:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.1102642276422765) internal successors, (2185), 1968 states have internal predecessors, (2185), 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) [2022-11-18 19:50:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2185 transitions. [2022-11-18 19:50:17,776 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2185 transitions. Word has length 136 [2022-11-18 19:50:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:17,776 INFO L495 AbstractCegarLoop]: Abstraction has 1969 states and 2185 transitions. [2022-11-18 19:50:17,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-11-18 19:50:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2185 transitions. [2022-11-18 19:50:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-18 19:50:17,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:17,784 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:17,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:50:17,785 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:17,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:17,786 INFO L85 PathProgramCache]: Analyzing trace with hash -575420573, now seen corresponding path program 1 times [2022-11-18 19:50:17,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:17,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632761512] [2022-11-18 19:50:17,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 98 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-18 19:50:18,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:18,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632761512] [2022-11-18 19:50:18,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632761512] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:18,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618773022] [2022-11-18 19:50:18,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:18,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:18,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:18,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:18,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:50:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:18,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:50:18,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-18 19:50:18,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:18,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618773022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:18,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:18,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 19:50:18,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392282221] [2022-11-18 19:50:18,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:18,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:18,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:18,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:18,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:18,656 INFO L87 Difference]: Start difference. First operand 1969 states and 2185 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-11-18 19:50:19,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:19,213 INFO L93 Difference]: Finished difference Result 4067 states and 4521 transitions. [2022-11-18 19:50:19,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:19,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 171 [2022-11-18 19:50:19,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:19,222 INFO L225 Difference]: With dead ends: 4067 [2022-11-18 19:50:19,223 INFO L226 Difference]: Without dead ends: 2100 [2022-11-18 19:50:19,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:19,226 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 46 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:19,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 164 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:50:19,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-11-18 19:50:19,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2022-11-18 19:50:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.089820359281437) internal successors, (2002), 1837 states have internal predecessors, (2002), 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) [2022-11-18 19:50:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2002 transitions. [2022-11-18 19:50:19,275 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2002 transitions. Word has length 171 [2022-11-18 19:50:19,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:19,276 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2002 transitions. [2022-11-18 19:50:19,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-11-18 19:50:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2002 transitions. [2022-11-18 19:50:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-18 19:50:19,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:19,283 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:19,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:19,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:19,489 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1648645907, now seen corresponding path program 1 times [2022-11-18 19:50:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857088076] [2022-11-18 19:50:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 120 proven. 10 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-18 19:50:19,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:19,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857088076] [2022-11-18 19:50:19,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857088076] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:19,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079798811] [2022-11-18 19:50:19,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:19,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:19,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:19,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:20,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:50:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:20,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:50:20,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-18 19:50:20,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:20,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079798811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:20,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:20,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 19:50:20,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215496867] [2022-11-18 19:50:20,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:20,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:20,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:20,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:20,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:20,313 INFO L87 Difference]: Start difference. First operand 1838 states and 2002 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2022-11-18 19:50:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:20,879 INFO L93 Difference]: Finished difference Result 4198 states and 4584 transitions. [2022-11-18 19:50:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:20,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 203 [2022-11-18 19:50:20,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:20,888 INFO L225 Difference]: With dead ends: 4198 [2022-11-18 19:50:20,888 INFO L226 Difference]: Without dead ends: 2362 [2022-11-18 19:50:20,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:20,894 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 97 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:20,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 22 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:50:20,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-11-18 19:50:20,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2022-11-18 19:50:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.0919485469271082) internal successors, (2292), 2099 states have internal predecessors, (2292), 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) [2022-11-18 19:50:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2292 transitions. [2022-11-18 19:50:20,982 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2292 transitions. Word has length 203 [2022-11-18 19:50:20,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:20,982 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2292 transitions. [2022-11-18 19:50:20,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2022-11-18 19:50:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2292 transitions. [2022-11-18 19:50:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 19:50:20,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:20,989 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:21,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:21,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:21,197 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:21,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:21,197 INFO L85 PathProgramCache]: Analyzing trace with hash 372646815, now seen corresponding path program 1 times [2022-11-18 19:50:21,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:21,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128065514] [2022-11-18 19:50:21,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:21,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-18 19:50:21,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:21,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128065514] [2022-11-18 19:50:21,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128065514] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:21,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580244434] [2022-11-18 19:50:21,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:21,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:21,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:21,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:21,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:50:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:21,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:50:21,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-18 19:50:21,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:21,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580244434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:21,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:21,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 19:50:21,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699811446] [2022-11-18 19:50:21,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:21,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:21,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:21,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:21,982 INFO L87 Difference]: Start difference. First operand 2100 states and 2292 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2022-11-18 19:50:22,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:22,535 INFO L93 Difference]: Finished difference Result 5377 states and 5868 transitions. [2022-11-18 19:50:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:22,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 208 [2022-11-18 19:50:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:22,547 INFO L225 Difference]: With dead ends: 5377 [2022-11-18 19:50:22,547 INFO L226 Difference]: Without dead ends: 3279 [2022-11-18 19:50:22,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:22,552 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 99 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:22,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 181 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:50:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2022-11-18 19:50:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3148. [2022-11-18 19:50:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3147 states have (on average 1.0838894184938037) internal successors, (3411), 3147 states have internal predecessors, (3411), 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) [2022-11-18 19:50:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3411 transitions. [2022-11-18 19:50:22,653 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3411 transitions. Word has length 208 [2022-11-18 19:50:22,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:22,654 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 3411 transitions. [2022-11-18 19:50:22,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2022-11-18 19:50:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3411 transitions. [2022-11-18 19:50:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-18 19:50:22,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:22,664 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:22,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:22,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:22,871 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:22,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:22,872 INFO L85 PathProgramCache]: Analyzing trace with hash -252793177, now seen corresponding path program 1 times [2022-11-18 19:50:22,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:22,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258236107] [2022-11-18 19:50:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:22,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 241 proven. 29 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-18 19:50:23,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:23,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258236107] [2022-11-18 19:50:23,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258236107] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:23,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426193286] [2022-11-18 19:50:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:23,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:23,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:23,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:23,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:50:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:23,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:50:23,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-18 19:50:23,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:23,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426193286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:23,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:23,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 19:50:23,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636087182] [2022-11-18 19:50:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:23,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:23,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:23,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:23,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:23,748 INFO L87 Difference]: Start difference. First operand 3148 states and 3411 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:24,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:24,295 INFO L93 Difference]: Finished difference Result 7211 states and 7837 transitions. [2022-11-18 19:50:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 287 [2022-11-18 19:50:24,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:24,308 INFO L225 Difference]: With dead ends: 7211 [2022-11-18 19:50:24,309 INFO L226 Difference]: Without dead ends: 3934 [2022-11-18 19:50:24,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:24,313 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 116 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:24,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 172 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:50:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2022-11-18 19:50:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3148. [2022-11-18 19:50:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3147 states have (on average 1.082936129647283) internal successors, (3408), 3147 states have internal predecessors, (3408), 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) [2022-11-18 19:50:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3408 transitions. [2022-11-18 19:50:24,408 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3408 transitions. Word has length 287 [2022-11-18 19:50:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:24,409 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 3408 transitions. [2022-11-18 19:50:24,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3408 transitions. [2022-11-18 19:50:24,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-18 19:50:24,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:24,423 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:24,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:24,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 19:50:24,641 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:24,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1327867404, now seen corresponding path program 1 times [2022-11-18 19:50:24,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:24,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385983315] [2022-11-18 19:50:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:24,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 224 proven. 10 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-18 19:50:25,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:25,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385983315] [2022-11-18 19:50:25,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385983315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:25,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515654848] [2022-11-18 19:50:25,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:25,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:25,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:25,240 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:25,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:50:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:25,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:50:25,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-18 19:50:25,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:25,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515654848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:25,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:25,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 19:50:25,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780049901] [2022-11-18 19:50:25,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:25,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:50:25,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:25,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:50:25,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:25,541 INFO L87 Difference]: Start difference. First operand 3148 states and 3408 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2022-11-18 19:50:26,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:26,208 INFO L93 Difference]: Finished difference Result 6818 states and 7407 transitions. [2022-11-18 19:50:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:50:26,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 299 [2022-11-18 19:50:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:26,228 INFO L225 Difference]: With dead ends: 6818 [2022-11-18 19:50:26,228 INFO L226 Difference]: Without dead ends: 3803 [2022-11-18 19:50:26,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:50:26,233 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 113 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:26,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 176 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:50:26,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2022-11-18 19:50:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3410. [2022-11-18 19:50:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3409 states have (on average 1.0794954532120857) internal successors, (3680), 3409 states have internal predecessors, (3680), 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) [2022-11-18 19:50:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3680 transitions. [2022-11-18 19:50:26,347 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3680 transitions. Word has length 299 [2022-11-18 19:50:26,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:26,347 INFO L495 AbstractCegarLoop]: Abstraction has 3410 states and 3680 transitions. [2022-11-18 19:50:26,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2022-11-18 19:50:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3680 transitions. [2022-11-18 19:50:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-11-18 19:50:26,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:26,362 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:26,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:26,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 19:50:26,571 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:26,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1445198165, now seen corresponding path program 1 times [2022-11-18 19:50:26,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:26,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989393693] [2022-11-18 19:50:26,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:26,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:27,267 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 241 proven. 10 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-18 19:50:27,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:27,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989393693] [2022-11-18 19:50:27,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989393693] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:27,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963285791] [2022-11-18 19:50:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:27,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:27,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:27,269 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 19:50:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:27,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:50:27,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-18 19:50:27,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:27,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963285791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:27,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:27,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 19:50:27,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457880815] [2022-11-18 19:50:27,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:27,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:50:27,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:27,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:50:27,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:50:27,683 INFO L87 Difference]: Start difference. First operand 3410 states and 3680 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:28,425 INFO L93 Difference]: Finished difference Result 6292 states and 6792 transitions. [2022-11-18 19:50:28,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:50:28,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 316 [2022-11-18 19:50:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:28,426 INFO L225 Difference]: With dead ends: 6292 [2022-11-18 19:50:28,426 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:50:28,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:50:28,432 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 318 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:28,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 34 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:50:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:50:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:50:28,434 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) [2022-11-18 19:50:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:50:28,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2022-11-18 19:50:28,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:28,435 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:50:28,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:50:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:50:28,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:50:28,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:50:28,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:28,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:28,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:50:30,261 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-11-18 19:50:30,261 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-11-18 19:50:30,261 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-11-18 19:50:30,261 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-11-18 19:50:30,261 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-11-18 19:50:30,261 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-11-18 19:50:30,262 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-11-18 19:50:30,262 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-11-18 19:50:30,262 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,262 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,263 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,263 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,263 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-11-18 19:50:30,263 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,265 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,266 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-11-18 19:50:30,266 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-11-18 19:50:30,266 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-11-18 19:50:30,266 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-11-18 19:50:30,267 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-11-18 19:50:30,267 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-11-18 19:50:30,267 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-11-18 19:50:30,267 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-11-18 19:50:30,268 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-11-18 19:50:30,268 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-11-18 19:50:30,268 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-11-18 19:50:30,270 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-11-18 19:50:30,270 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,271 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,271 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,271 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,271 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,271 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-11-18 19:50:30,272 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,272 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-11-18 19:50:30,272 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-11-18 19:50:30,272 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-11-18 19:50:30,272 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-11-18 19:50:30,273 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-11-18 19:50:30,273 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-11-18 19:50:30,273 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-11-18 19:50:30,273 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-11-18 19:50:30,273 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-11-18 19:50:30,274 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-11-18 19:50:30,274 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-11-18 19:50:30,274 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-11-18 19:50:30,274 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-11-18 19:50:30,274 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-11-18 19:50:30,275 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,275 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,275 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,275 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,275 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,276 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,276 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-11-18 19:50:30,276 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-11-18 19:50:30,276 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-11-18 19:50:30,276 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-11-18 19:50:30,277 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-11-18 19:50:30,277 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-11-18 19:50:30,277 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-18 19:50:30,277 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-11-18 19:50:30,277 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-11-18 19:50:30,278 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-11-18 19:50:30,278 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-11-18 19:50:30,278 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-11-18 19:50:30,278 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,278 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,279 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,279 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,279 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,279 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,279 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-11-18 19:50:30,280 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-11-18 19:50:30,280 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-11-18 19:50:30,280 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-11-18 19:50:30,280 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-11-18 19:50:30,280 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-18 19:50:30,281 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-11-18 19:50:30,281 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-11-18 19:50:30,281 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-11-18 19:50:30,281 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-11-18 19:50:30,281 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,282 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,282 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,282 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,282 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,282 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,283 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-11-18 19:50:30,283 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-11-18 19:50:30,283 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-11-18 19:50:30,283 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-11-18 19:50:30,283 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-11-18 19:50:30,284 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-11-18 19:50:30,284 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-11-18 19:50:30,284 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-11-18 19:50:30,284 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-11-18 19:50:30,284 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-11-18 19:50:30,285 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-11-18 19:50:30,285 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-11-18 19:50:30,285 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-11-18 19:50:30,285 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-11-18 19:50:30,285 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-11-18 19:50:30,286 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,286 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,286 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,286 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,286 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:50:30,287 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-11-18 19:50:30,287 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-11-18 19:50:30,287 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-11-18 19:50:30,287 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-11-18 19:50:30,288 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-11-18 19:50:30,288 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-11-18 19:50:30,288 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-11-18 19:50:30,288 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-11-18 19:50:30,288 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-11-18 19:50:30,289 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse7 (<= ~a8~0 14)) (.cse5 (<= 5 ~a16~0)) (.cse6 (<= ~a17~0 0)) (.cse4 (<= ~a16~0 5)) (.cse0 (<= ~a7~0 0)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a17~0 1)) (.cse9 (= ~a20~0 1)) (.cse1 (<= ~a20~0 0)) (.cse8 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse2) (and .cse0 (<= 6 ~a16~0) .cse6 .cse2) (and .cse8 .cse6 .cse2) (and .cse8 .cse6 .cse9) (and .cse8 .cse2 .cse3 .cse9) (and .cse0 .cse6 .cse7 .cse2) (and .cse1 .cse6 .cse2) (and .cse0 .cse6 .cse2 .cse9) (and .cse5 (not (= ~a7~0 1)) .cse6 .cse2 .cse9) (and .cse8 .cse3 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse9) (and .cse1 .cse8))) [2022-11-18 19:50:30,290 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,290 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,290 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,290 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,290 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,291 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-11-18 19:50:30,291 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-11-18 19:50:30,291 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-11-18 19:50:30,291 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-18 19:50:30,291 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-11-18 19:50:30,291 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-11-18 19:50:30,292 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-11-18 19:50:30,292 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-11-18 19:50:30,292 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-11-18 19:50:30,292 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-11-18 19:50:30,292 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-11-18 19:50:30,293 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-11-18 19:50:30,293 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:50:30,293 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-11-18 19:50:30,293 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-11-18 19:50:30,293 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,294 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,294 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,294 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,294 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,294 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-11-18 19:50:30,295 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-11-18 19:50:30,295 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-11-18 19:50:30,295 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-11-18 19:50:30,295 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-11-18 19:50:30,295 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-11-18 19:50:30,296 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-18 19:50:30,296 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-11-18 19:50:30,296 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-11-18 19:50:30,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:50:30,296 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,297 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,297 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,297 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,297 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-11-18 19:50:30,297 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,298 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-11-18 19:50:30,298 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-11-18 19:50:30,298 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-11-18 19:50:30,298 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-11-18 19:50:30,298 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-11-18 19:50:30,299 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-11-18 19:50:30,299 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-11-18 19:50:30,299 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-11-18 19:50:30,299 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-11-18 19:50:30,299 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-11-18 19:50:30,299 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-11-18 19:50:30,300 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-11-18 19:50:30,300 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-11-18 19:50:30,300 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,301 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse7 (<= ~a8~0 14)) (.cse5 (<= 5 ~a16~0)) (.cse6 (<= ~a17~0 0)) (.cse4 (<= ~a16~0 5)) (.cse0 (<= ~a7~0 0)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a17~0 1)) (.cse9 (= ~a20~0 1)) (.cse1 (<= ~a20~0 0)) (.cse8 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse2) (and .cse0 (<= 6 ~a16~0) .cse6 .cse2) (and .cse8 .cse6 .cse2) (and .cse8 .cse6 .cse9) (and .cse8 .cse2 .cse3 .cse9) (and .cse0 .cse6 .cse7 .cse2) (and .cse1 .cse6 .cse2) (and .cse0 .cse6 .cse2 .cse9) (and .cse5 (not (= ~a7~0 1)) .cse6 .cse2 .cse9) (and .cse8 .cse3 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse9) (and .cse1 .cse8))) [2022-11-18 19:50:30,301 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,301 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,301 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,301 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,302 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-11-18 19:50:30,302 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:50:30,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2022-11-18 19:50:30,302 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-11-18 19:50:30,302 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-11-18 19:50:30,303 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-11-18 19:50:30,303 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-11-18 19:50:30,303 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-11-18 19:50:30,303 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-11-18 19:50:30,303 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-11-18 19:50:30,304 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,304 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,304 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,304 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,305 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-11-18 19:50:30,305 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-11-18 19:50:30,305 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-11-18 19:50:30,305 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-11-18 19:50:30,305 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-11-18 19:50:30,310 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:30,312 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:50:30,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:50:30 BoogieIcfgContainer [2022-11-18 19:50:30,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:50:30,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:50:30,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:50:30,336 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:50:30,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:50:08" (3/4) ... [2022-11-18 19:50:30,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:50:30,372 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 19:50:30,372 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 19:50:30,373 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:50:30,374 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:50:30,527 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:50:30,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:50:30,528 INFO L158 Benchmark]: Toolchain (without parser) took 24493.62ms. Allocated memory was 113.2MB in the beginning and 339.7MB in the end (delta: 226.5MB). Free memory was 74.6MB in the beginning and 140.0MB in the end (delta: -65.4MB). Peak memory consumption was 160.7MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,528 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:50:30,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.06ms. Allocated memory is still 113.2MB. Free memory was 74.5MB in the beginning and 70.7MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.45ms. Allocated memory is still 113.2MB. Free memory was 70.7MB in the beginning and 64.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,530 INFO L158 Benchmark]: Boogie Preprocessor took 61.51ms. Allocated memory is still 113.2MB. Free memory was 64.8MB in the beginning and 60.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,531 INFO L158 Benchmark]: RCFGBuilder took 1669.04ms. Allocated memory is still 113.2MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,532 INFO L158 Benchmark]: TraceAbstraction took 21635.37ms. Allocated memory was 113.2MB in the beginning and 339.7MB in the end (delta: 226.5MB). Free memory was 58.2MB in the beginning and 149.7MB in the end (delta: -91.5MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,533 INFO L158 Benchmark]: Witness Printer took 192.06ms. Allocated memory is still 339.7MB. Free memory was 149.7MB in the beginning and 140.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:50:30,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.06ms. Allocated memory is still 113.2MB. Free memory was 74.5MB in the beginning and 70.7MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.45ms. Allocated memory is still 113.2MB. Free memory was 70.7MB in the beginning and 64.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.51ms. Allocated memory is still 113.2MB. Free memory was 64.8MB in the beginning and 60.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1669.04ms. Allocated memory is still 113.2MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 21635.37ms. Allocated memory was 113.2MB in the beginning and 339.7MB in the end (delta: 226.5MB). Free memory was 58.2MB in the beginning and 149.7MB in the end (delta: -91.5MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. * Witness Printer took 192.06ms. Allocated memory is still 339.7MB. Free memory was 149.7MB in the beginning and 140.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. 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: 462]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1879 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1879 mSDsluCounter, 1220 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 731 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4519 IncrementalHoareTripleChecker+Invalid, 5250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 731 mSolverCounterUnsat, 1146 mSDtfsCounter, 4519 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1641 GetRequests, 1612 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=12, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 2489 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 345 HoareAnnotationTreeSize, 3 FomulaSimplifications, 240 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3088 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3877 NumberOfCodeBlocks, 3877 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3857 ConstructedInterpolants, 0 QuantifiedInterpolants, 7539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3134 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 4736/4851 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((((((((a7 <= 0 && a20 <= 0) && a21 == 1) && a17 == 1) || (((a20 <= 0 && a21 == 1) && a17 == 1) && a16 <= 5)) || (((5 <= a16 && a17 <= 0) && a8 <= 14) && a21 == 1)) || (((a7 <= 0 && 6 <= a16) && a17 <= 0) && a21 == 1)) || ((a8 <= 13 && a17 <= 0) && a21 == 1)) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || (((a8 <= 13 && a21 == 1) && a17 == 1) && a20 == 1)) || (((a7 <= 0 && a17 <= 0) && a8 <= 14) && a21 == 1)) || ((a20 <= 0 && a17 <= 0) && a21 == 1)) || (((a7 <= 0 && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((5 <= a16 && !(a7 == 1)) && a17 <= 0) && a21 == 1) && a20 == 1)) || (((a8 <= 13 && a17 == 1) && a16 <= 5) && a20 == 1)) || (((a7 <= 0 && a21 == 1) && a17 == 1) && a20 == 1)) || (a20 <= 0 && a8 <= 13) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((((((a7 <= 0 && a20 <= 0) && a21 == 1) && a17 == 1) || (((a20 <= 0 && a21 == 1) && a17 == 1) && a16 <= 5)) || (((5 <= a16 && a17 <= 0) && a8 <= 14) && a21 == 1)) || (((a7 <= 0 && 6 <= a16) && a17 <= 0) && a21 == 1)) || ((a8 <= 13 && a17 <= 0) && a21 == 1)) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || (((a8 <= 13 && a21 == 1) && a17 == 1) && a20 == 1)) || (((a7 <= 0 && a17 <= 0) && a8 <= 14) && a21 == 1)) || ((a20 <= 0 && a17 <= 0) && a21 == 1)) || (((a7 <= 0 && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((5 <= a16 && !(a7 == 1)) && a17 <= 0) && a21 == 1) && a20 == 1)) || (((a8 <= 13 && a17 == 1) && a16 <= 5) && a20 == 1)) || (((a7 <= 0 && a21 == 1) && a17 == 1) && a20 == 1)) || (a20 <= 0 && a8 <= 13) RESULT: Ultimate proved your program to be correct! [2022-11-18 19:50:30,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac177e-4d59-497f-8ab4-454b6797105e/bin/uautomizer-TMbwUNV5ro/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