./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc --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 06b61c7a92b1aafb8eaed71c9c03004c8dc3a1341fd95aec7c0057c1c21f0a3d --- 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-5e519f3 [2022-11-02 20:25:58,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:25:58,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:25:58,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:25:58,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:25:58,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:25:58,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:25:58,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:25:58,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:25:58,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:25:58,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:25:58,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:25:58,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:25:58,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:25:58,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:25:58,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:25:58,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:25:58,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:25:58,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:25:58,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:25:58,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:25:58,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:25:58,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:25:58,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:25:58,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:25:58,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:25:58,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:25:58,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:25:58,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:25:58,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:25:58,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:25:58,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:25:58,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:25:58,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:25:58,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:25:58,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:25:58,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:25:58,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:25:58,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:25:58,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:25:58,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:25:58,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:25:58,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:25:58,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:25:58,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:25:58,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:25:58,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:25:58,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:25:58,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:25:58,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:25:58,264 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:25:58,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:25:58,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:25:58,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:25:58,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:25:58,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:25:58,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:25:58,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:25:58,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:25:58,268 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:25:58,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:25:58,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:25:58,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:25:58,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:25:58,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:25:58,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:25:58,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:25:58,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:25:58,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:25:58,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:25:58,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:25:58,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:25:58,272 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:25:58,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:25:58,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:25:58,273 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_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06b61c7a92b1aafb8eaed71c9c03004c8dc3a1341fd95aec7c0057c1c21f0a3d [2022-11-02 20:25:58,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:25:58,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:25:58,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:25:58,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:25:58,705 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:25:58,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2022-11-02 20:25:58,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/data/434c9bbc1/42aef6ff1171415d957307f5d03cb080/FLAG96f492a48 [2022-11-02 20:25:59,612 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:25:59,613 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2022-11-02 20:25:59,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/data/434c9bbc1/42aef6ff1171415d957307f5d03cb080/FLAG96f492a48 [2022-11-02 20:25:59,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/data/434c9bbc1/42aef6ff1171415d957307f5d03cb080 [2022-11-02 20:25:59,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:25:59,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:25:59,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:25:59,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:25:59,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:25:59,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:59" (1/1) ... [2022-11-02 20:25:59,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30874c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:59, skipping insertion in model container [2022-11-02 20:25:59,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:59" (1/1) ... [2022-11-02 20:25:59,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:25:59,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:26:00,658 WARN L230 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_ea5a5294-9e15-4c94-b565-5f51af7db4d8/sv-benchmarks/c/eca-rers2012/Problem03_label32.c[59744,59757] [2022-11-02 20:26:00,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:00,702 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:26:01,072 WARN L230 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_ea5a5294-9e15-4c94-b565-5f51af7db4d8/sv-benchmarks/c/eca-rers2012/Problem03_label32.c[59744,59757] [2022-11-02 20:26:01,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:01,139 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:26:01,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01 WrapperNode [2022-11-02 20:26:01,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:01,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:01,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:26:01,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:26:01,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,312 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-02 20:26:01,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:01,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:26:01,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:26:01,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:26:01,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:26:01,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:26:01,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:26:01,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:26:01,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (1/1) ... [2022-11-02 20:26:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:26:01,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:01,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:01,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:26:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:26:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:26:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:26:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:26:01,707 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:26:01,709 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:26:04,193 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:26:04,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:26:04,221 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:26:04,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:04 BoogieIcfgContainer [2022-11-02 20:26:04,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:26:04,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:26:04,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:26:04,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:26:04,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:25:59" (1/3) ... [2022-11-02 20:26:04,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eec09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:26:04, skipping insertion in model container [2022-11-02 20:26:04,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:01" (2/3) ... [2022-11-02 20:26:04,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eec09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:26:04, skipping insertion in model container [2022-11-02 20:26:04,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:04" (3/3) ... [2022-11-02 20:26:04,238 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2022-11-02 20:26:04,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:26:04,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:26:04,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:26:04,376 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;@7b64bf44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:26:04,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:26:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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) [2022-11-02 20:26:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-02 20:26:04,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:04,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:04,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:04,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:04,442 INFO L85 PathProgramCache]: Analyzing trace with hash -570388181, now seen corresponding path program 1 times [2022-11-02 20:26:04,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:04,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011669616] [2022-11-02 20:26:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:05,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:05,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011669616] [2022-11-02 20:26:05,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011669616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:05,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:05,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:05,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594663057] [2022-11-02 20:26:05,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:05,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:05,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:05,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:05,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:05,810 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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) [2022-11-02 20:26:07,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:07,510 INFO L93 Difference]: Finished difference Result 855 states and 1496 transitions. [2022-11-02 20:26:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:07,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 189 [2022-11-02 20:26:07,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:07,531 INFO L225 Difference]: With dead ends: 855 [2022-11-02 20:26:07,532 INFO L226 Difference]: Without dead ends: 460 [2022-11-02 20:26:07,537 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 [2022-11-02 20:26:07,541 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 107 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:07,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 176 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-02 20:26:07,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-02 20:26:07,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2022-11-02 20:26:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.5502183406113537) internal successors, (710), 458 states have internal predecessors, (710), 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) [2022-11-02 20:26:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2022-11-02 20:26:07,616 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 189 [2022-11-02 20:26:07,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:07,618 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2022-11-02 20:26:07,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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) [2022-11-02 20:26:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2022-11-02 20:26:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-02 20:26:07,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:07,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:07,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:26:07,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:07,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:07,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2032616869, now seen corresponding path program 1 times [2022-11-02 20:26:07,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:07,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634366658] [2022-11-02 20:26:07,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:07,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:08,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:08,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634366658] [2022-11-02 20:26:08,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634366658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:08,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:08,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:08,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52690708] [2022-11-02 20:26:08,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:08,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:08,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:08,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:08,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:08,114 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) [2022-11-02 20:26:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:09,295 INFO L93 Difference]: Finished difference Result 1340 states and 2081 transitions. [2022-11-02 20:26:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:09,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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 194 [2022-11-02 20:26:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:09,310 INFO L225 Difference]: With dead ends: 1340 [2022-11-02 20:26:09,311 INFO L226 Difference]: Without dead ends: 883 [2022-11-02 20:26:09,312 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 [2022-11-02 20:26:09,314 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:09,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 180 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:26:09,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-11-02 20:26:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 880. [2022-11-02 20:26:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 1.4675767918088738) internal successors, (1290), 879 states have internal predecessors, (1290), 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) [2022-11-02 20:26:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1290 transitions. [2022-11-02 20:26:09,356 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1290 transitions. Word has length 194 [2022-11-02 20:26:09,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:09,356 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1290 transitions. [2022-11-02 20:26:09,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) [2022-11-02 20:26:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1290 transitions. [2022-11-02 20:26:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-02 20:26:09,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:09,363 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:09,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:26:09,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:09,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:09,365 INFO L85 PathProgramCache]: Analyzing trace with hash -811782164, now seen corresponding path program 1 times [2022-11-02 20:26:09,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:09,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361346364] [2022-11-02 20:26:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:09,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:09,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:09,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361346364] [2022-11-02 20:26:09,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361346364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:09,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:09,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:09,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030456342] [2022-11-02 20:26:09,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:09,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:09,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:09,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:09,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:09,686 INFO L87 Difference]: Start difference. First operand 880 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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) [2022-11-02 20:26:10,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:10,986 INFO L93 Difference]: Finished difference Result 2594 states and 3819 transitions. [2022-11-02 20:26:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:10,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 197 [2022-11-02 20:26:10,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:10,994 INFO L225 Difference]: With dead ends: 2594 [2022-11-02 20:26:10,994 INFO L226 Difference]: Without dead ends: 1716 [2022-11-02 20:26:10,997 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 [2022-11-02 20:26:11,006 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:11,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:26:11,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-11-02 20:26:11,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2022-11-02 20:26:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.43834808259587) internal successors, (2438), 1695 states have internal predecessors, (2438), 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) [2022-11-02 20:26:11,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2438 transitions. [2022-11-02 20:26:11,065 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2438 transitions. Word has length 197 [2022-11-02 20:26:11,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:11,067 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2438 transitions. [2022-11-02 20:26:11,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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) [2022-11-02 20:26:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2438 transitions. [2022-11-02 20:26:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-02 20:26:11,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:11,076 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:11,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:26:11,077 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:11,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:11,079 INFO L85 PathProgramCache]: Analyzing trace with hash 48899105, now seen corresponding path program 1 times [2022-11-02 20:26:11,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:11,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640177887] [2022-11-02 20:26:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:11,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:26:12,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:12,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640177887] [2022-11-02 20:26:12,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640177887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:12,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:12,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:26:12,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391695955] [2022-11-02 20:26:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:12,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:26:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:26:12,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:26:12,172 INFO L87 Difference]: Start difference. First operand 1696 states and 2438 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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) [2022-11-02 20:26:13,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:13,622 INFO L93 Difference]: Finished difference Result 3531 states and 5126 transitions. [2022-11-02 20:26:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:26:13,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 204 [2022-11-02 20:26:13,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:13,630 INFO L225 Difference]: With dead ends: 3531 [2022-11-02 20:26:13,631 INFO L226 Difference]: Without dead ends: 1663 [2022-11-02 20:26:13,633 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 [2022-11-02 20:26:13,634 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 331 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:13,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 47 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-02 20:26:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2022-11-02 20:26:13,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2022-11-02 20:26:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1662 states have (on average 1.3243080625752106) internal successors, (2201), 1662 states have internal predecessors, (2201), 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) [2022-11-02 20:26:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2022-11-02 20:26:13,681 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 204 [2022-11-02 20:26:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:13,682 INFO L495 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2022-11-02 20:26:13,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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) [2022-11-02 20:26:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2022-11-02 20:26:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-02 20:26:13,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:13,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:13,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:26:13,689 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:13,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:13,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1777737916, now seen corresponding path program 1 times [2022-11-02 20:26:13,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:13,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155451318] [2022-11-02 20:26:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:14,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:14,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155451318] [2022-11-02 20:26:14,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155451318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:14,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:14,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:26:14,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535132797] [2022-11-02 20:26:14,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:14,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:26:14,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:14,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:26:14,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:26:14,663 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) [2022-11-02 20:26:16,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:16,362 INFO L93 Difference]: Finished difference Result 4323 states and 5738 transitions. [2022-11-02 20:26:16,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:26:16,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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 220 [2022-11-02 20:26:16,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:16,374 INFO L225 Difference]: With dead ends: 4323 [2022-11-02 20:26:16,374 INFO L226 Difference]: Without dead ends: 2488 [2022-11-02 20:26:16,377 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 [2022-11-02 20:26:16,378 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 194 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:16,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 100 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-02 20:26:16,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2022-11-02 20:26:16,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2022-11-02 20:26:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.3073209975864843) internal successors, (3250), 2486 states have internal predecessors, (3250), 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) [2022-11-02 20:26:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3250 transitions. [2022-11-02 20:26:16,449 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3250 transitions. Word has length 220 [2022-11-02 20:26:16,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:16,450 INFO L495 AbstractCegarLoop]: Abstraction has 2487 states and 3250 transitions. [2022-11-02 20:26:16,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) [2022-11-02 20:26:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3250 transitions. [2022-11-02 20:26:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-02 20:26:16,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:16,463 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:16,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:26:16,465 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:16,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:16,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1389386817, now seen corresponding path program 1 times [2022-11-02 20:26:16,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:16,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773251391] [2022-11-02 20:26:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:16,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:26:17,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:17,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773251391] [2022-11-02 20:26:17,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773251391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:17,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:17,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:17,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766607885] [2022-11-02 20:26:17,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:17,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:17,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:17,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:17,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:17,089 INFO L87 Difference]: Start difference. First operand 2487 states and 3250 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 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) [2022-11-02 20:26:18,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:18,143 INFO L93 Difference]: Finished difference Result 7433 states and 9718 transitions. [2022-11-02 20:26:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:18,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 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 222 [2022-11-02 20:26:18,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:18,161 INFO L225 Difference]: With dead ends: 7433 [2022-11-02 20:26:18,161 INFO L226 Difference]: Without dead ends: 4948 [2022-11-02 20:26:18,165 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 [2022-11-02 20:26:18,166 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 206 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:18,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 62 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:26:18,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2022-11-02 20:26:18,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4937. [2022-11-02 20:26:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4936 states have (on average 1.2872771474878444) internal successors, (6354), 4936 states have internal predecessors, (6354), 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) [2022-11-02 20:26:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6354 transitions. [2022-11-02 20:26:18,298 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6354 transitions. Word has length 222 [2022-11-02 20:26:18,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:18,300 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 6354 transitions. [2022-11-02 20:26:18,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 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) [2022-11-02 20:26:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6354 transitions. [2022-11-02 20:26:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-02 20:26:18,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:18,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:18,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:26:18,313 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:18,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:18,314 INFO L85 PathProgramCache]: Analyzing trace with hash -374783769, now seen corresponding path program 1 times [2022-11-02 20:26:18,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:18,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814282242] [2022-11-02 20:26:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:18,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:18,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:18,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814282242] [2022-11-02 20:26:18,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814282242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:26:18,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753673948] [2022-11-02 20:26:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:18,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:18,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:26:18,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:26:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:19,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:26:19,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-02 20:26:19,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:26:19,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753673948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:19,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:26:19,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-02 20:26:19,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275061117] [2022-11-02 20:26:19,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:19,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:19,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:19,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:19,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:19,652 INFO L87 Difference]: Start difference. First operand 4937 states and 6354 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2022-11-02 20:26:20,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:20,716 INFO L93 Difference]: Finished difference Result 9884 states and 12728 transitions. [2022-11-02 20:26:20,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:20,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 227 [2022-11-02 20:26:20,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:20,761 INFO L225 Difference]: With dead ends: 9884 [2022-11-02 20:26:20,762 INFO L226 Difference]: Without dead ends: 4949 [2022-11-02 20:26:20,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:20,769 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:20,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 307 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:26:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2022-11-02 20:26:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 4937. [2022-11-02 20:26:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4936 states have (on average 1.2702593192868719) internal successors, (6270), 4936 states have internal predecessors, (6270), 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) [2022-11-02 20:26:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6270 transitions. [2022-11-02 20:26:20,901 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6270 transitions. Word has length 227 [2022-11-02 20:26:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:20,901 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 6270 transitions. [2022-11-02 20:26:20,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2022-11-02 20:26:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6270 transitions. [2022-11-02 20:26:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-02 20:26:20,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:20,912 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:20,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:21,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:21,141 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:21,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash 48467143, now seen corresponding path program 1 times [2022-11-02 20:26:21,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:21,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365005680] [2022-11-02 20:26:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:26:21,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:21,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365005680] [2022-11-02 20:26:21,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365005680] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:26:21,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780857926] [2022-11-02 20:26:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:21,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:21,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:21,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:26:21,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:26:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:22,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:26:22,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:26:22,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:26:22,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780857926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:22,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:26:22,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-02 20:26:22,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038651098] [2022-11-02 20:26:22,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:22,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:22,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:22,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:22,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:22,258 INFO L87 Difference]: Start difference. First operand 4937 states and 6270 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 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) [2022-11-02 20:26:22,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:22,625 INFO L93 Difference]: Finished difference Result 14805 states and 18804 transitions. [2022-11-02 20:26:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:22,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 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 244 [2022-11-02 20:26:22,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:22,685 INFO L225 Difference]: With dead ends: 14805 [2022-11-02 20:26:22,685 INFO L226 Difference]: Without dead ends: 9870 [2022-11-02 20:26:22,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:22,693 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 268 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:22,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 507 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:26:22,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9870 states. [2022-11-02 20:26:22,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9870 to 9868. [2022-11-02 20:26:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9868 states, 9867 states have (on average 1.2669504408634844) internal successors, (12501), 9867 states have internal predecessors, (12501), 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) [2022-11-02 20:26:22,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9868 states to 9868 states and 12501 transitions. [2022-11-02 20:26:22,950 INFO L78 Accepts]: Start accepts. Automaton has 9868 states and 12501 transitions. Word has length 244 [2022-11-02 20:26:22,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:22,951 INFO L495 AbstractCegarLoop]: Abstraction has 9868 states and 12501 transitions. [2022-11-02 20:26:22,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 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) [2022-11-02 20:26:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 9868 states and 12501 transitions. [2022-11-02 20:26:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-02 20:26:22,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:22,974 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:23,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:23,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:23,198 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:23,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:23,199 INFO L85 PathProgramCache]: Analyzing trace with hash 933297431, now seen corresponding path program 1 times [2022-11-02 20:26:23,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:23,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720523964] [2022-11-02 20:26:23,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:23,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-02 20:26:23,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:23,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720523964] [2022-11-02 20:26:23,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720523964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:23,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:23,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:26:23,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725346467] [2022-11-02 20:26:23,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:23,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:26:23,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:23,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:26:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:26:23,777 INFO L87 Difference]: Start difference. First operand 9868 states and 12501 transitions. Second operand has 4 states, 4 states have (on average 55.25) internal successors, (221), 3 states have internal predecessors, (221), 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) [2022-11-02 20:26:25,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:25,414 INFO L93 Difference]: Finished difference Result 32786 states and 41620 transitions. [2022-11-02 20:26:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:26:25,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 3 states have internal predecessors, (221), 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 251 [2022-11-02 20:26:25,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:25,468 INFO L225 Difference]: With dead ends: 32786 [2022-11-02 20:26:25,468 INFO L226 Difference]: Without dead ends: 22920 [2022-11-02 20:26:25,481 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 [2022-11-02 20:26:25,482 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 689 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:25,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 108 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-02 20:26:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22920 states. [2022-11-02 20:26:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22920 to 22872. [2022-11-02 20:26:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22872 states, 22871 states have (on average 1.2543832801364172) internal successors, (28689), 22871 states have internal predecessors, (28689), 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) [2022-11-02 20:26:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22872 states to 22872 states and 28689 transitions. [2022-11-02 20:26:26,006 INFO L78 Accepts]: Start accepts. Automaton has 22872 states and 28689 transitions. Word has length 251 [2022-11-02 20:26:26,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:26,006 INFO L495 AbstractCegarLoop]: Abstraction has 22872 states and 28689 transitions. [2022-11-02 20:26:26,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 3 states have internal predecessors, (221), 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) [2022-11-02 20:26:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 22872 states and 28689 transitions. [2022-11-02 20:26:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-02 20:26:26,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:26,044 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:26,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:26:26,045 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:26,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:26,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1459283383, now seen corresponding path program 2 times [2022-11-02 20:26:26,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:26,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605686772] [2022-11-02 20:26:26,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 67 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 20:26:26,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:26,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605686772] [2022-11-02 20:26:26,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605686772] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:26:26,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064179409] [2022-11-02 20:26:26,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:26:26,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:26,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:26,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:26:26,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:26:26,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:26:26,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:26:26,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:26:26,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-02 20:26:27,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:26:27,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064179409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:27,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:26:27,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-02 20:26:27,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490963927] [2022-11-02 20:26:27,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:27,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:27,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:27,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:27,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:27,213 INFO L87 Difference]: Start difference. First operand 22872 states and 28689 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2022-11-02 20:26:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:28,555 INFO L93 Difference]: Finished difference Result 55494 states and 69769 transitions. [2022-11-02 20:26:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:28,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 251 [2022-11-02 20:26:28,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:28,620 INFO L225 Difference]: With dead ends: 55494 [2022-11-02 20:26:28,620 INFO L226 Difference]: Without dead ends: 32624 [2022-11-02 20:26:28,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:28,648 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 30 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:28,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 342 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:26:28,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32624 states. [2022-11-02 20:26:29,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32624 to 32616. [2022-11-02 20:26:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32616 states, 32615 states have (on average 1.1443200981143646) internal successors, (37322), 32615 states have internal predecessors, (37322), 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) [2022-11-02 20:26:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32616 states to 32616 states and 37322 transitions. [2022-11-02 20:26:29,351 INFO L78 Accepts]: Start accepts. Automaton has 32616 states and 37322 transitions. Word has length 251 [2022-11-02 20:26:29,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:29,352 INFO L495 AbstractCegarLoop]: Abstraction has 32616 states and 37322 transitions. [2022-11-02 20:26:29,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2022-11-02 20:26:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 32616 states and 37322 transitions. [2022-11-02 20:26:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-02 20:26:29,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:29,500 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:29,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:29,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:26:29,724 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:29,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:29,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1633395909, now seen corresponding path program 1 times [2022-11-02 20:26:29,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:29,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825585960] [2022-11-02 20:26:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-02 20:26:30,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:30,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825585960] [2022-11-02 20:26:30,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825585960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:30,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:30,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:30,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52491511] [2022-11-02 20:26:30,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:30,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:30,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:30,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:30,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:30,418 INFO L87 Difference]: Start difference. First operand 32616 states and 37322 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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) [2022-11-02 20:26:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:31,718 INFO L93 Difference]: Finished difference Result 72367 states and 83187 transitions. [2022-11-02 20:26:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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 255 [2022-11-02 20:26:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:31,795 INFO L225 Difference]: With dead ends: 72367 [2022-11-02 20:26:31,796 INFO L226 Difference]: Without dead ends: 40362 [2022-11-02 20:26:31,815 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 [2022-11-02 20:26:31,816 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 203 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:31,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 119 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:26:31,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40362 states. [2022-11-02 20:26:32,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40362 to 40330. [2022-11-02 20:26:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40330 states, 40329 states have (on average 1.1430980187954078) internal successors, (46100), 40329 states have internal predecessors, (46100), 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) [2022-11-02 20:26:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40330 states to 40330 states and 46100 transitions. [2022-11-02 20:26:32,674 INFO L78 Accepts]: Start accepts. Automaton has 40330 states and 46100 transitions. Word has length 255 [2022-11-02 20:26:32,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:32,675 INFO L495 AbstractCegarLoop]: Abstraction has 40330 states and 46100 transitions. [2022-11-02 20:26:32,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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) [2022-11-02 20:26:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 40330 states and 46100 transitions. [2022-11-02 20:26:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-02 20:26:32,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:32,717 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:32,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:26:32,718 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:32,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:32,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1517485242, now seen corresponding path program 1 times [2022-11-02 20:26:32,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:32,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472189362] [2022-11-02 20:26:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:32,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-02 20:26:33,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:33,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472189362] [2022-11-02 20:26:33,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472189362] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:26:33,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136073489] [2022-11-02 20:26:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:33,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:33,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:33,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:26:33,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:26:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:34,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:26:34,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-02 20:26:34,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:26:34,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136073489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:34,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:26:34,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-02 20:26:34,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899126445] [2022-11-02 20:26:34,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:34,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:34,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:34,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:34,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:34,135 INFO L87 Difference]: Start difference. First operand 40330 states and 46100 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 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) [2022-11-02 20:26:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:35,576 INFO L93 Difference]: Finished difference Result 92643 states and 107408 transitions. [2022-11-02 20:26:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:35,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 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 262 [2022-11-02 20:26:35,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:35,714 INFO L225 Difference]: With dead ends: 92643 [2022-11-02 20:26:35,714 INFO L226 Difference]: Without dead ends: 52518 [2022-11-02 20:26:35,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:35,758 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 202 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:35,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 114 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:26:35,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52518 states. [2022-11-02 20:26:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52518 to 52510. [2022-11-02 20:26:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52510 states, 52509 states have (on average 1.1241882343979128) internal successors, (59030), 52509 states have internal predecessors, (59030), 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) [2022-11-02 20:26:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52510 states to 52510 states and 59030 transitions. [2022-11-02 20:26:36,933 INFO L78 Accepts]: Start accepts. Automaton has 52510 states and 59030 transitions. Word has length 262 [2022-11-02 20:26:36,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:36,934 INFO L495 AbstractCegarLoop]: Abstraction has 52510 states and 59030 transitions. [2022-11-02 20:26:36,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 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) [2022-11-02 20:26:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 52510 states and 59030 transitions. [2022-11-02 20:26:36,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-02 20:26:36,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:36,974 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:37,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:37,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-02 20:26:37,193 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:37,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1990797150, now seen corresponding path program 1 times [2022-11-02 20:26:37,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:37,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614993704] [2022-11-02 20:26:37,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:37,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:26:37,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:37,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614993704] [2022-11-02 20:26:37,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614993704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:37,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:37,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:26:37,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923772035] [2022-11-02 20:26:37,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:37,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:37,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:37,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:37,692 INFO L87 Difference]: Start difference. First operand 52510 states and 59030 transitions. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2022-11-02 20:26:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:39,031 INFO L93 Difference]: Finished difference Result 97272 states and 109035 transitions. [2022-11-02 20:26:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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 275 [2022-11-02 20:26:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:39,085 INFO L225 Difference]: With dead ends: 97272 [2022-11-02 20:26:39,085 INFO L226 Difference]: Without dead ends: 45371 [2022-11-02 20:26:39,111 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 [2022-11-02 20:26:39,112 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 236 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:39,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 316 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 20:26:39,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45371 states. [2022-11-02 20:26:39,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45371 to 45369. [2022-11-02 20:26:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45369 states, 45368 states have (on average 1.0948686298712749) internal successors, (49672), 45368 states have internal predecessors, (49672), 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) [2022-11-02 20:26:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45369 states to 45369 states and 49672 transitions. [2022-11-02 20:26:40,004 INFO L78 Accepts]: Start accepts. Automaton has 45369 states and 49672 transitions. Word has length 275 [2022-11-02 20:26:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:40,004 INFO L495 AbstractCegarLoop]: Abstraction has 45369 states and 49672 transitions. [2022-11-02 20:26:40,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2022-11-02 20:26:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 45369 states and 49672 transitions. [2022-11-02 20:26:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-02 20:26:40,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:40,039 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:40,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:26:40,040 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 416423222, now seen corresponding path program 1 times [2022-11-02 20:26:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:40,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625963965] [2022-11-02 20:26:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:40,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:40,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:40,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625963965] [2022-11-02 20:26:40,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625963965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:40,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:40,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:26:40,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428465574] [2022-11-02 20:26:40,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:40,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:40,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:40,772 INFO L87 Difference]: Start difference. First operand 45369 states and 49672 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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) [2022-11-02 20:26:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:42,091 INFO L93 Difference]: Finished difference Result 90134 states and 98703 transitions. [2022-11-02 20:26:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:42,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 285 [2022-11-02 20:26:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:42,333 INFO L225 Difference]: With dead ends: 90134 [2022-11-02 20:26:42,334 INFO L226 Difference]: Without dead ends: 45376 [2022-11-02 20:26:42,354 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 [2022-11-02 20:26:42,355 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 75 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:42,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 277 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 20:26:42,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45376 states. [2022-11-02 20:26:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45376 to 45369. [2022-11-02 20:26:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45369 states, 45368 states have (on average 1.090901075648034) internal successors, (49492), 45368 states have internal predecessors, (49492), 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) [2022-11-02 20:26:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45369 states to 45369 states and 49492 transitions. [2022-11-02 20:26:43,140 INFO L78 Accepts]: Start accepts. Automaton has 45369 states and 49492 transitions. Word has length 285 [2022-11-02 20:26:43,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:43,140 INFO L495 AbstractCegarLoop]: Abstraction has 45369 states and 49492 transitions. [2022-11-02 20:26:43,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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) [2022-11-02 20:26:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 45369 states and 49492 transitions. [2022-11-02 20:26:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-02 20:26:43,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:43,171 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1] [2022-11-02 20:26:43,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:26:43,172 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:43,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash 578772149, now seen corresponding path program 1 times [2022-11-02 20:26:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:43,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763425524] [2022-11-02 20:26:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:43,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-02 20:26:44,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:44,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763425524] [2022-11-02 20:26:44,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763425524] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:26:44,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207530798] [2022-11-02 20:26:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:44,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:44,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:44,049 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:26:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:26:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:44,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:26:44,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:26:44,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:26:44,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207530798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:44,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:26:44,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-02 20:26:44,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683601241] [2022-11-02 20:26:44,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:44,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:44,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:44,684 INFO L87 Difference]: Start difference. First operand 45369 states and 49492 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-11-02 20:26:46,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:46,141 INFO L93 Difference]: Finished difference Result 109061 states and 119306 transitions. [2022-11-02 20:26:46,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:46,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 357 [2022-11-02 20:26:46,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:46,143 INFO L225 Difference]: With dead ends: 109061 [2022-11-02 20:26:46,143 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:26:46,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:26:46,183 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 69 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:46,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 88 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 20:26:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:26:46,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:26:46,185 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) [2022-11-02 20:26:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:26:46,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-11-02 20:26:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:46,186 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:26:46,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-11-02 20:26:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:26:46,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:26:46,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:26:46,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:46,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:26:46,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:26:55,286 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-02 20:26:55,286 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-02 20:26:55,287 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,287 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-02 20:26:55,287 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,287 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,288 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,288 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,288 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,288 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,288 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,289 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,289 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,289 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,289 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-02 20:26:55,290 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-02 20:26:55,290 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-02 20:26:55,290 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,290 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-02 20:26:55,290 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-02 20:26:55,291 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,291 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,291 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,291 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,292 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,292 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,292 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,292 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,292 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,293 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-02 20:26:55,293 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-02 20:26:55,293 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-02 20:26:55,293 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,293 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,294 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,294 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,294 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,294 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,294 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-02 20:26:55,295 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-02 20:26:55,295 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,295 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-02 20:26:55,295 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,296 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-02 20:26:55,296 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-02 20:26:55,296 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,296 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,296 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,297 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,297 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,297 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,297 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,297 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-02 20:26:55,298 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,298 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-02 20:26:55,298 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-02 20:26:55,298 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,299 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,299 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,299 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,299 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-02 20:26:55,299 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-02 20:26:55,300 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,300 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,300 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,300 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,301 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,301 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,301 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,301 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,301 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,302 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,302 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-02 20:26:55,302 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-02 20:26:55,302 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-02 20:26:55,303 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,303 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,303 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,303 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,303 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,304 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,304 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-02 20:26:55,304 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-02 20:26:55,304 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-02 20:26:55,305 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,305 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,305 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,305 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,305 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,306 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,306 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-02 20:26:55,306 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-02 20:26:55,306 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-02 20:26:55,306 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,307 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,307 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,307 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-02 20:26:55,307 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,308 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-02 20:26:55,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:26:55,308 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,308 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,308 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-02 20:26:55,309 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-02 20:26:55,309 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,309 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,309 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,310 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,310 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,310 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,310 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,310 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-02 20:26:55,311 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-02 20:26:55,311 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-02 20:26:55,311 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-02 20:26:55,311 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-02 20:26:55,312 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,312 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,312 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,312 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,312 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,313 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,313 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,313 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,313 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,313 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,314 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-02 20:26:55,314 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-02 20:26:55,314 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-02 20:26:55,314 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,314 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,315 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,315 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,315 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,315 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,316 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,316 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,316 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,316 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:26:55,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1612) no Hoare annotation was computed. [2022-11-02 20:26:55,317 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-02 20:26:55,317 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-02 20:26:55,317 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-02 20:26:55,317 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-02 20:26:55,318 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-02 20:26:55,318 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,318 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,318 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,318 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,319 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,319 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,319 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,319 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,319 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-02 20:26:55,320 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-02 20:26:55,320 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-02 20:26:55,320 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,320 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,320 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,321 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-02 20:26:55,321 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-02 20:26:55,321 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,321 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,322 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,322 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-02 20:26:55,322 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,322 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-02 20:26:55,322 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,323 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-02 20:26:55,323 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,323 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,323 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-02 20:26:55,323 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-02 20:26:55,324 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-02 20:26:55,324 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-02 20:26:55,324 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-02 20:26:55,324 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-02 20:26:55,324 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-02 20:26:55,325 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,325 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,325 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,326 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse3 (= ~a6~0 0)) (.cse6 (= 2 ~a3~0)) (.cse7 (= ~a11~0 0)) (.cse8 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse1 (<= ~a3~0 1)) (.cse2 (= ~a11~0 1)) (.cse9 (= ~a26~0 ~a11~0)) (.cse4 (= ~a27~0 1)) (.cse5 (= ~a18~0 1))) (or (and (<= ~a20~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= ~a3~0 0) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= ~a12~0 0) .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse5 .cse8) (and .cse6 .cse0 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse5 .cse8) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 (= ~a12~0 ~a6~0) .cse5))) [2022-11-02 20:26:55,327 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,327 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,327 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,327 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-02 20:26:55,327 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-02 20:26:55,328 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,328 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,328 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,328 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-02 20:26:55,329 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,329 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,329 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,329 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,329 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,330 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,330 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-02 20:26:55,330 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-02 20:26:55,330 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,330 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,331 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,331 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,331 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,331 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,332 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,332 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,332 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,332 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-02 20:26:55,332 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-02 20:26:55,333 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,333 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,333 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-02 20:26:55,333 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-02 20:26:55,333 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,334 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse3 (= ~a6~0 0)) (.cse6 (= 2 ~a3~0)) (.cse7 (= ~a11~0 0)) (.cse8 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse1 (<= ~a3~0 1)) (.cse2 (= ~a11~0 1)) (.cse9 (= ~a26~0 ~a11~0)) (.cse4 (= ~a27~0 1)) (.cse5 (= ~a18~0 1))) (or (and (<= ~a20~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= ~a3~0 0) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= ~a12~0 0) .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse5 .cse8) (and .cse6 .cse0 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse5 .cse8) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 (= ~a12~0 ~a6~0) .cse5))) [2022-11-02 20:26:55,334 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,335 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,335 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,335 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,335 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-02 20:26:55,335 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-02 20:26:55,336 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,336 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,336 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,336 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,336 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,337 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,337 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,337 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,337 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:26:55,338 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-02 20:26:55,338 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-02 20:26:55,338 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-02 20:26:55,338 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,338 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-02 20:26:55,339 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,339 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,339 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-02 20:26:55,339 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,339 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,340 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,340 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,340 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,340 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-02 20:26:55,340 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,341 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-02 20:26:55,341 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-02 20:26:55,341 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-02 20:26:55,341 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,342 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,342 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,342 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,342 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,342 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,343 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,343 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,343 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-02 20:26:55,343 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-02 20:26:55,344 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,344 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,344 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-02 20:26:55,344 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-02 20:26:55,344 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-02 20:26:55,345 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,345 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,345 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,345 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,346 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:26:55,346 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,346 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,346 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,347 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,347 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,347 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,347 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-02 20:26:55,347 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-02 20:26:55,348 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-02 20:26:55,348 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,348 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,348 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,348 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,349 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,349 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,349 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,349 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-02 20:26:55,349 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-02 20:26:55,350 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,350 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-02 20:26:55,350 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-02 20:26:55,350 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-02 20:26:55,350 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,351 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,351 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,351 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,351 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-02 20:26:55,351 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-02 20:26:55,352 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-02 20:26:55,352 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,352 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,352 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:26:55,356 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:55,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:26:55,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:26:55 BoogieIcfgContainer [2022-11-02 20:26:55,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:26:55,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:26:55,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:26:55,386 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:26:55,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:04" (3/4) ... [2022-11-02 20:26:55,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:26:55,425 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:26:55,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:26:55,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:26:55,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:26:55,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:26:55,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:26:55,679 INFO L158 Benchmark]: Toolchain (without parser) took 55945.38ms. Allocated memory was 117.4MB in the beginning and 9.5GB in the end (delta: 9.4GB). Free memory was 76.8MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-02 20:26:55,680 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:26:55,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.79ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 83.1MB in the end (delta: -6.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-11-02 20:26:55,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.83ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 68.4MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:26:55,682 INFO L158 Benchmark]: Boogie Preprocessor took 170.65ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 58.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:26:55,683 INFO L158 Benchmark]: RCFGBuilder took 2740.64ms. Allocated memory was 117.4MB in the beginning and 199.2MB in the end (delta: 81.8MB). Free memory was 58.0MB in the beginning and 128.1MB in the end (delta: -70.1MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-11-02 20:26:55,683 INFO L158 Benchmark]: TraceAbstraction took 51155.78ms. Allocated memory was 199.2MB in the beginning and 9.5GB in the end (delta: 9.3GB). Free memory was 127.0MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-02 20:26:55,683 INFO L158 Benchmark]: Witness Printer took 293.32ms. Allocated memory is still 9.5GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-02 20:26:55,693 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 79.7MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.79ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 83.1MB in the end (delta: -6.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.83ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 68.4MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.65ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 58.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2740.64ms. Allocated memory was 117.4MB in the beginning and 199.2MB in the end (delta: 81.8MB). Free memory was 58.0MB in the beginning and 128.1MB in the end (delta: -70.1MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * TraceAbstraction took 51155.78ms. Allocated memory was 199.2MB in the beginning and 9.5GB in the end (delta: 9.3GB). Free memory was 127.0MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 293.32ms. Allocated memory is still 9.5GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1612]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.0s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3143 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3143 mSDsluCounter, 2833 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 1368 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8995 IncrementalHoareTripleChecker+Invalid, 10363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1368 mSolverCounterUnsat, 2312 mSDtfsCounter, 8995 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1376 GetRequests, 1348 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52510occurred in iteration=12, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 155 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 449 NumberOfFragments, 435 HoareAnnotationTreeSize, 3 FomulaSimplifications, 946 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 9870 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 4974 NumberOfCodeBlocks, 4974 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4954 ConstructedInterpolants, 0 QuantifiedInterpolants, 17491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2671 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 20 InterpolantComputations, 15 PerfectInterpolantSequences, 1589/1619 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1) || ((((a5 == 1 && a3 <= 0) && a11 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 1) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a3 <= 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a26 == a11) && a27 == 1) && a12 == a6) && a18 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1) || ((((a5 == 1 && a3 <= 0) && a11 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 1) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a3 <= 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a26 == a11) && a27 == 1) && a12 == a6) && a18 == 1) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:26:55,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5a5294-9e15-4c94-b565-5f51af7db4d8/bin/uautomizer-Dbtcem3rbc/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