./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be --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 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:14:07,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:07,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:07,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:07,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:07,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:07,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:07,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:07,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:07,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:07,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:07,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:07,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:07,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:07,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:07,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:07,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:07,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:07,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:07,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:07,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:07,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:07,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:07,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:07,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:07,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:07,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:07,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:07,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:07,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:07,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:07,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:07,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:07,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:07,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:07,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:07,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:07,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:07,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:07,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:07,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:07,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:14:07,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:07,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:07,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:07,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:07,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:07,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:07,907 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:07,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:07,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:14:07,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:07,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:14:07,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:07,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:14:07,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:14:07,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:14:07,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:14:07,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:07,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:07,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:14:07,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:07,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:07,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:14:07,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:07,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:07,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:14:07,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:14:07,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:07,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:14:07,913 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:14:07,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:14:07,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:14:07,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:07,916 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_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 [2021-10-21 19:14:08,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:08,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:08,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:08,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:08,214 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:08,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-10-21 19:14:08,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/data/852b73370/b7cba1c64ff74803979e1fd1d0186416/FLAG0563a62ba [2021-10-21 19:14:08,782 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:08,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-10-21 19:14:08,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/data/852b73370/b7cba1c64ff74803979e1fd1d0186416/FLAG0563a62ba [2021-10-21 19:14:09,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/data/852b73370/b7cba1c64ff74803979e1fd1d0186416 [2021-10-21 19:14:09,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:09,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:09,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:09,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:09,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:09,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3156e157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09, skipping insertion in model container [2021-10-21 19:14:09,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:09,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:09,480 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-10-21 19:14:09,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:09,501 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:09,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-10-21 19:14:09,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:09,646 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:09,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09 WrapperNode [2021-10-21 19:14:09,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:09,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:09,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:09,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:09,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:09,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:09,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:09,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:09,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:09,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:09,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:09,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:09,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (1/1) ... [2021-10-21 19:14:09,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:09,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:09,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:09,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:14:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:14:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:11,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:11,066 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-21 19:14:11,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:11 BoogieIcfgContainer [2021-10-21 19:14:11,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:11,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:14:11,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:14:11,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:14:11,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:14:09" (1/3) ... [2021-10-21 19:14:11,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6d880f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:11, skipping insertion in model container [2021-10-21 19:14:11,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:09" (2/3) ... [2021-10-21 19:14:11,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6d880f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:11, skipping insertion in model container [2021-10-21 19:14:11,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:11" (3/3) ... [2021-10-21 19:14:11,098 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2021-10-21 19:14:11,109 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:14:11,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:14:11,177 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:14:11,184 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:14:11,185 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:14:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:14:11,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:11,219 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:11,219 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:11,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2021-10-21 19:14:11,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:11,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384403356] [2021-10-21 19:14:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:11,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:11,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:11,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384403356] [2021-10-21 19:14:11,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384403356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:11,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:11,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:11,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500630521] [2021-10-21 19:14:11,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:14:11,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:11,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:14:11,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:14:11,628 INFO L87 Difference]: Start difference. First operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 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 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:11,696 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2021-10-21 19:14:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:14:11,698 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-21 19:14:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:11,717 INFO L225 Difference]: With dead ends: 376 [2021-10-21 19:14:11,717 INFO L226 Difference]: Without dead ends: 187 [2021-10-21 19:14:11,722 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:14:11,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-21 19:14:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-10-21 19:14:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.516304347826087) internal successors, (279), 186 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2021-10-21 19:14:11,778 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2021-10-21 19:14:11,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:11,778 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2021-10-21 19:14:11,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,779 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-10-21 19:14:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:14:11,780 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:11,780 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:11,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:14:11,781 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:11,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:11,782 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2021-10-21 19:14:11,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:11,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055357711] [2021-10-21 19:14:11,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:11,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:11,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:11,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055357711] [2021-10-21 19:14:11,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055357711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:11,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:11,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:11,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541114597] [2021-10-21 19:14:11,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:11,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:11,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:11,892 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:11,917 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2021-10-21 19:14:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:11,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:14:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:11,921 INFO L225 Difference]: With dead ends: 187 [2021-10-21 19:14:11,922 INFO L226 Difference]: Without dead ends: 73 [2021-10-21 19:14:11,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:11,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-21 19:14:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-21 19:14:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-21 19:14:11,940 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2021-10-21 19:14:11,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:11,941 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-21 19:14:11,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-21 19:14:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:14:11,943 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:11,944 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:11,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:14:11,945 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:11,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:11,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2021-10-21 19:14:11,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:11,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264420748] [2021-10-21 19:14:11,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:11,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:12,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:12,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264420748] [2021-10-21 19:14:12,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264420748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:12,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:12,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:12,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436741865] [2021-10-21 19:14:12,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:12,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:12,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:12,080 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:12,110 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2021-10-21 19:14:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:12,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-10-21 19:14:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:12,112 INFO L225 Difference]: With dead ends: 207 [2021-10-21 19:14:12,113 INFO L226 Difference]: Without dead ends: 140 [2021-10-21 19:14:12,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:12,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-21 19:14:12,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-10-21 19:14:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 135 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2021-10-21 19:14:12,129 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2021-10-21 19:14:12,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:12,129 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2021-10-21 19:14:12,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2021-10-21 19:14:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:14:12,131 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:12,132 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:12,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:14:12,132 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:12,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:12,133 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2021-10-21 19:14:12,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:12,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972545360] [2021-10-21 19:14:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:12,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:12,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:12,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972545360] [2021-10-21 19:14:12,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972545360] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:12,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:12,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:12,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373736830] [2021-10-21 19:14:12,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:12,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:12,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:12,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:12,185 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:12,253 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2021-10-21 19:14:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:12,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-10-21 19:14:12,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:12,256 INFO L225 Difference]: With dead ends: 283 [2021-10-21 19:14:12,258 INFO L226 Difference]: Without dead ends: 153 [2021-10-21 19:14:12,259 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:12,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-21 19:14:12,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2021-10-21 19:14:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.46) internal successors, (219), 150 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2021-10-21 19:14:12,273 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2021-10-21 19:14:12,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:12,274 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2021-10-21 19:14:12,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2021-10-21 19:14:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:14:12,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:12,275 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:12,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:14:12,276 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:12,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:12,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2021-10-21 19:14:12,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:12,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153142713] [2021-10-21 19:14:12,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:12,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:12,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:12,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153142713] [2021-10-21 19:14:12,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153142713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:12,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:12,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:12,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536753903] [2021-10-21 19:14:12,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:12,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:12,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:12,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:12,341 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:12,419 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2021-10-21 19:14:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-10-21 19:14:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:12,423 INFO L225 Difference]: With dead ends: 527 [2021-10-21 19:14:12,423 INFO L226 Difference]: Without dead ends: 382 [2021-10-21 19:14:12,424 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:14:12,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-21 19:14:12,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2021-10-21 19:14:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.4127659574468086) internal successors, (332), 235 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2021-10-21 19:14:12,447 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2021-10-21 19:14:12,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:12,447 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2021-10-21 19:14:12,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2021-10-21 19:14:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:14:12,449 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:12,449 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:12,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:14:12,450 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:12,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:12,451 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2021-10-21 19:14:12,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:12,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952880540] [2021-10-21 19:14:12,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:12,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:12,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:12,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952880540] [2021-10-21 19:14:12,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952880540] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:12,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:12,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:12,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934149910] [2021-10-21 19:14:12,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:12,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:12,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:12,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:12,516 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:12,650 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2021-10-21 19:14:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:14:12,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-10-21 19:14:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:12,655 INFO L225 Difference]: With dead ends: 526 [2021-10-21 19:14:12,655 INFO L226 Difference]: Without dead ends: 524 [2021-10-21 19:14:12,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:12,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-10-21 19:14:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2021-10-21 19:14:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.4042553191489362) internal successors, (330), 235 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2021-10-21 19:14:12,676 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2021-10-21 19:14:12,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:12,677 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2021-10-21 19:14:12,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2021-10-21 19:14:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:14:12,679 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:12,679 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:12,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:14:12,680 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:12,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:12,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2021-10-21 19:14:12,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:12,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074253741] [2021-10-21 19:14:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:12,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:12,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:12,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074253741] [2021-10-21 19:14:12,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074253741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:12,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:12,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:12,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208263706] [2021-10-21 19:14:12,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:12,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:12,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:12,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:12,731 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:12,863 INFO L93 Difference]: Finished difference Result 496 states and 705 transitions. [2021-10-21 19:14:12,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:12,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-10-21 19:14:12,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:12,866 INFO L225 Difference]: With dead ends: 496 [2021-10-21 19:14:12,867 INFO L226 Difference]: Without dead ends: 351 [2021-10-21 19:14:12,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:12,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-10-21 19:14:12,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 347. [2021-10-21 19:14:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 346 states have (on average 1.3959537572254335) internal successors, (483), 346 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 483 transitions. [2021-10-21 19:14:12,890 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 483 transitions. Word has length 32 [2021-10-21 19:14:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:12,891 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 483 transitions. [2021-10-21 19:14:12,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2021-10-21 19:14:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:14:12,892 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:12,893 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:12,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:14:12,893 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:12,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:12,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2080122673, now seen corresponding path program 1 times [2021-10-21 19:14:12,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:12,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699267473] [2021-10-21 19:14:12,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:12,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:12,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:12,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699267473] [2021-10-21 19:14:12,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699267473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:12,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:12,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:12,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020397951] [2021-10-21 19:14:12,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:12,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:12,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:12,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:12,942 INFO L87 Difference]: Start difference. First operand 347 states and 483 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:13,027 INFO L93 Difference]: Finished difference Result 1020 states and 1436 transitions. [2021-10-21 19:14:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:13,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-21 19:14:13,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:13,032 INFO L225 Difference]: With dead ends: 1020 [2021-10-21 19:14:13,032 INFO L226 Difference]: Without dead ends: 762 [2021-10-21 19:14:13,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:13,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2021-10-21 19:14:13,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 347. [2021-10-21 19:14:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 346 states have (on average 1.3786127167630058) internal successors, (477), 346 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 477 transitions. [2021-10-21 19:14:13,065 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 477 transitions. Word has length 32 [2021-10-21 19:14:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:13,065 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 477 transitions. [2021-10-21 19:14:13,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2021-10-21 19:14:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:14:13,067 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:13,067 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:13,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:14:13,068 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2021-10-21 19:14:13,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:13,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894159387] [2021-10-21 19:14:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:13,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:13,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:13,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894159387] [2021-10-21 19:14:13,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894159387] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:13,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:13,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:13,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094133093] [2021-10-21 19:14:13,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:13,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:13,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:13,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:13,144 INFO L87 Difference]: Start difference. First operand 347 states and 477 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:13,361 INFO L93 Difference]: Finished difference Result 1072 states and 1488 transitions. [2021-10-21 19:14:13,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:14:13,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-21 19:14:13,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:13,367 INFO L225 Difference]: With dead ends: 1072 [2021-10-21 19:14:13,367 INFO L226 Difference]: Without dead ends: 814 [2021-10-21 19:14:13,371 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2021-10-21 19:14:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 378. [2021-10-21 19:14:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.3872679045092837) internal successors, (523), 377 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 523 transitions. [2021-10-21 19:14:13,415 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 523 transitions. Word has length 32 [2021-10-21 19:14:13,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:13,416 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 523 transitions. [2021-10-21 19:14:13,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 523 transitions. [2021-10-21 19:14:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-21 19:14:13,419 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:13,420 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:14:13,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:14:13,420 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:13,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:13,421 INFO L82 PathProgramCache]: Analyzing trace with hash -434242403, now seen corresponding path program 1 times [2021-10-21 19:14:13,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:13,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023712089] [2021-10-21 19:14:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:13,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:14:13,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:13,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023712089] [2021-10-21 19:14:13,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023712089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:13,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:13,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:13,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346863346] [2021-10-21 19:14:13,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:13,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:13,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:13,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:13,508 INFO L87 Difference]: Start difference. First operand 378 states and 523 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:13,612 INFO L93 Difference]: Finished difference Result 640 states and 882 transitions. [2021-10-21 19:14:13,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:13,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 49 [2021-10-21 19:14:13,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:13,615 INFO L225 Difference]: With dead ends: 640 [2021-10-21 19:14:13,615 INFO L226 Difference]: Without dead ends: 268 [2021-10-21 19:14:13,616 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:13,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-10-21 19:14:13,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2021-10-21 19:14:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.3629343629343629) internal successors, (353), 259 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 353 transitions. [2021-10-21 19:14:13,645 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 353 transitions. Word has length 49 [2021-10-21 19:14:13,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:13,647 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 353 transitions. [2021-10-21 19:14:13,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 353 transitions. [2021-10-21 19:14:13,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:14:13,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:13,649 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:14:13,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:14:13,649 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:13,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:13,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1755773973, now seen corresponding path program 1 times [2021-10-21 19:14:13,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:13,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144403907] [2021-10-21 19:14:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:13,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:14:13,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:13,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144403907] [2021-10-21 19:14:13,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144403907] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:13,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:13,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:13,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235669305] [2021-10-21 19:14:13,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:13,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:13,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:13,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:13,719 INFO L87 Difference]: Start difference. First operand 260 states and 353 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:13,846 INFO L93 Difference]: Finished difference Result 784 states and 1060 transitions. [2021-10-21 19:14:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:13,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 54 [2021-10-21 19:14:13,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:13,851 INFO L225 Difference]: With dead ends: 784 [2021-10-21 19:14:13,851 INFO L226 Difference]: Without dead ends: 530 [2021-10-21 19:14:13,852 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-10-21 19:14:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 272. [2021-10-21 19:14:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 271 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2021-10-21 19:14:13,893 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 54 [2021-10-21 19:14:13,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:13,894 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2021-10-21 19:14:13,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2021-10-21 19:14:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:14:13,896 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:13,896 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:14:13,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:14:13,896 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:13,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:13,897 INFO L82 PathProgramCache]: Analyzing trace with hash 2073779755, now seen corresponding path program 1 times [2021-10-21 19:14:13,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:13,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171402211] [2021-10-21 19:14:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:13,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:14:13,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:13,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171402211] [2021-10-21 19:14:13,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171402211] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:13,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:13,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:13,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757955966] [2021-10-21 19:14:13,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:13,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:13,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:13,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:13,980 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:14,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:14,050 INFO L93 Difference]: Finished difference Result 632 states and 845 transitions. [2021-10-21 19:14:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:14,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-21 19:14:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:14,053 INFO L225 Difference]: With dead ends: 632 [2021-10-21 19:14:14,053 INFO L226 Difference]: Without dead ends: 366 [2021-10-21 19:14:14,054 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:14,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-21 19:14:14,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 237. [2021-10-21 19:14:14,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.3135593220338984) internal successors, (310), 236 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2021-10-21 19:14:14,080 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 54 [2021-10-21 19:14:14,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:14,081 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2021-10-21 19:14:14,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2021-10-21 19:14:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-21 19:14:14,083 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:14,083 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:14:14,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:14:14,083 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:14,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2021-10-21 19:14:14,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:14,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612363789] [2021-10-21 19:14:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:14,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:14,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:14,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612363789] [2021-10-21 19:14:14,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612363789] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:14:14,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099949861] [2021-10-21 19:14:14,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:14,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:14:14,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:14,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:14:14,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:14:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:14,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:14:14,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:14,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099949861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:14:14,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:14:14,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-21 19:14:14,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782882158] [2021-10-21 19:14:14,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:14:14,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:14,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:14:14,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:14:14,644 INFO L87 Difference]: Start difference. First operand 237 states and 310 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:14,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:14,938 INFO L93 Difference]: Finished difference Result 862 states and 1146 transitions. [2021-10-21 19:14:14,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:14:14,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 57 [2021-10-21 19:14:14,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:14,943 INFO L225 Difference]: With dead ends: 862 [2021-10-21 19:14:14,944 INFO L226 Difference]: Without dead ends: 680 [2021-10-21 19:14:14,945 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 66.7ms TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:14:14,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-10-21 19:14:14,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 297. [2021-10-21 19:14:14,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.3141891891891893) internal successors, (389), 296 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 389 transitions. [2021-10-21 19:14:14,979 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 389 transitions. Word has length 57 [2021-10-21 19:14:14,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:14,980 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 389 transitions. [2021-10-21 19:14:14,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 389 transitions. [2021-10-21 19:14:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-21 19:14:14,982 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:14,982 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:15,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:15,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-21 19:14:15,202 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:15,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:15,203 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2021-10-21 19:14:15,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:15,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622710986] [2021-10-21 19:14:15,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:15,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:14:15,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:15,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622710986] [2021-10-21 19:14:15,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622710986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:15,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:15,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:15,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802081853] [2021-10-21 19:14:15,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:15,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:15,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:15,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:15,359 INFO L87 Difference]: Start difference. First operand 297 states and 389 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:15,782 INFO L93 Difference]: Finished difference Result 927 states and 1230 transitions. [2021-10-21 19:14:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:14:15,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 82 [2021-10-21 19:14:15,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:15,787 INFO L225 Difference]: With dead ends: 927 [2021-10-21 19:14:15,787 INFO L226 Difference]: Without dead ends: 678 [2021-10-21 19:14:15,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 78.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:14:15,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-10-21 19:14:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 413. [2021-10-21 19:14:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.3106796116504855) internal successors, (540), 412 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 540 transitions. [2021-10-21 19:14:15,856 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 540 transitions. Word has length 82 [2021-10-21 19:14:15,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:15,856 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 540 transitions. [2021-10-21 19:14:15,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 540 transitions. [2021-10-21 19:14:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-21 19:14:15,858 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:15,858 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:14:15,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:14:15,859 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:15,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:15,859 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2021-10-21 19:14:15,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:15,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978329142] [2021-10-21 19:14:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:15,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-21 19:14:15,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:15,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978329142] [2021-10-21 19:14:15,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978329142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:15,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:15,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:15,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063543602] [2021-10-21 19:14:15,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:15,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:15,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:15,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:15,920 INFO L87 Difference]: Start difference. First operand 413 states and 540 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:16,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:16,013 INFO L93 Difference]: Finished difference Result 790 states and 1030 transitions. [2021-10-21 19:14:16,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:16,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 82 [2021-10-21 19:14:16,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:16,014 INFO L225 Difference]: With dead ends: 790 [2021-10-21 19:14:16,014 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:14:16,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:16,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:14:16,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:14:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:14:16,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-21 19:14:16,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:16,018 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:16,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:14:16,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:14:16,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:16,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:16,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:16,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:14:16,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:14:16,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:16,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:17,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:18,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:24,689 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:14:24,689 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,689 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,690 INFO L857 garLoopResultBuilder]: For program point L102-2(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,690 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,690 INFO L857 garLoopResultBuilder]: For program point L102-4(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,690 INFO L857 garLoopResultBuilder]: For program point L102-5(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,690 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,691 INFO L857 garLoopResultBuilder]: For program point L102-7(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,691 INFO L857 garLoopResultBuilder]: For program point L102-8(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,691 INFO L857 garLoopResultBuilder]: For program point L102-9(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,691 INFO L857 garLoopResultBuilder]: For program point L102-10(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,691 INFO L857 garLoopResultBuilder]: For program point L102-11(lines 102 119) no Hoare annotation was computed. [2021-10-21 19:14:24,692 INFO L853 garLoopResultBuilder]: At program point L70(lines 69 88) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~systemActive~0)) (and .cse0 (= 1 ~systemActive~0) .cse1))) [2021-10-21 19:14:24,692 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 70 76) no Hoare annotation was computed. [2021-10-21 19:14:24,692 INFO L853 garLoopResultBuilder]: At program point L70-2(lines 69 88) the Hoare annotation is: false [2021-10-21 19:14:24,692 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 69 88) the Hoare annotation is: false [2021-10-21 19:14:24,692 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2021-10-21 19:14:24,692 INFO L853 garLoopResultBuilder]: At program point L698-1(lines 698 704) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse4))) [2021-10-21 19:14:24,693 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,693 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,693 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,693 INFO L857 garLoopResultBuilder]: For program point L106-3(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,693 INFO L857 garLoopResultBuilder]: For program point L106-4(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,693 INFO L857 garLoopResultBuilder]: For program point L106-5(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,694 INFO L857 garLoopResultBuilder]: For program point L106-6(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,694 INFO L857 garLoopResultBuilder]: For program point L106-7(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,694 INFO L857 garLoopResultBuilder]: For program point L106-8(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,694 INFO L857 garLoopResultBuilder]: For program point L106-9(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,694 INFO L857 garLoopResultBuilder]: For program point L106-10(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,694 INFO L857 garLoopResultBuilder]: For program point L106-11(lines 106 114) no Hoare annotation was computed. [2021-10-21 19:14:24,695 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,695 INFO L857 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,695 INFO L857 garLoopResultBuilder]: For program point L966-2(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,695 INFO L857 garLoopResultBuilder]: For program point L966-3(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,695 INFO L853 garLoopResultBuilder]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:14:24,695 INFO L857 garLoopResultBuilder]: For program point L966-4(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,695 INFO L857 garLoopResultBuilder]: For program point L966-5(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,696 INFO L857 garLoopResultBuilder]: For program point L966-6(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,696 INFO L857 garLoopResultBuilder]: For program point L966-7(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,696 INFO L857 garLoopResultBuilder]: For program point L966-8(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,696 INFO L857 garLoopResultBuilder]: For program point L966-9(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,696 INFO L857 garLoopResultBuilder]: For program point L966-10(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,696 INFO L857 garLoopResultBuilder]: For program point L966-11(lines 966 972) no Hoare annotation was computed. [2021-10-21 19:14:24,697 INFO L853 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: false [2021-10-21 19:14:24,697 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 202 210) the Hoare annotation is: false [2021-10-21 19:14:24,697 INFO L853 garLoopResultBuilder]: At program point L207-2(lines 202 210) the Hoare annotation is: false [2021-10-21 19:14:24,697 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 905) no Hoare annotation was computed. [2021-10-21 19:14:24,697 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:14:24,697 INFO L860 garLoopResultBuilder]: At program point L869(lines 850 872) the Hoare annotation is: true [2021-10-21 19:14:24,698 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,698 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,698 INFO L857 garLoopResultBuilder]: For program point L275-3(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,698 INFO L857 garLoopResultBuilder]: For program point L275-5(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,698 INFO L853 garLoopResultBuilder]: At program point L77(lines 77 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= 0 ~systemActive~0)) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-10-21 19:14:24,698 INFO L857 garLoopResultBuilder]: For program point L275-6(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,699 INFO L853 garLoopResultBuilder]: At program point L77-1(lines 77 83) the Hoare annotation is: false [2021-10-21 19:14:24,699 INFO L857 garLoopResultBuilder]: For program point L275-8(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,699 INFO L853 garLoopResultBuilder]: At program point L77-2(lines 77 83) the Hoare annotation is: false [2021-10-21 19:14:24,699 INFO L857 garLoopResultBuilder]: For program point L275-9(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,699 INFO L857 garLoopResultBuilder]: For program point L275-11(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,699 INFO L857 garLoopResultBuilder]: For program point L275-12(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,700 INFO L857 garLoopResultBuilder]: For program point L275-14(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,700 INFO L857 garLoopResultBuilder]: For program point L275-15(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,700 INFO L853 garLoopResultBuilder]: At program point L738(lines 687 739) the Hoare annotation is: false [2021-10-21 19:14:24,700 INFO L857 garLoopResultBuilder]: For program point L275-17(lines 275 279) no Hoare annotation was computed. [2021-10-21 19:14:24,700 INFO L853 garLoopResultBuilder]: At program point L971(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,700 INFO L853 garLoopResultBuilder]: At program point L971-1(lines 962 975) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-10-21 19:14:24,701 INFO L853 garLoopResultBuilder]: At program point L971-2(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,701 INFO L853 garLoopResultBuilder]: At program point L971-3(lines 962 975) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-10-21 19:14:24,701 INFO L853 garLoopResultBuilder]: At program point L971-4(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,701 INFO L853 garLoopResultBuilder]: At program point L971-5(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,701 INFO L853 garLoopResultBuilder]: At program point L971-6(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,702 INFO L853 garLoopResultBuilder]: At program point L971-7(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,702 INFO L853 garLoopResultBuilder]: At program point L971-8(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,702 INFO L853 garLoopResultBuilder]: At program point L971-9(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,702 INFO L853 garLoopResultBuilder]: At program point L971-10(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,702 INFO L853 garLoopResultBuilder]: At program point L971-11(lines 962 975) the Hoare annotation is: false [2021-10-21 19:14:24,702 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-10-21 19:14:24,703 INFO L853 garLoopResultBuilder]: At program point L708-1(lines 708 714) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse4))) [2021-10-21 19:14:24,703 INFO L853 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1) (<= 1 ~waterLevel~0)) [2021-10-21 19:14:24,703 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 266 284) the Hoare annotation is: false [2021-10-21 19:14:24,703 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 266 284) the Hoare annotation is: false [2021-10-21 19:14:24,703 INFO L853 garLoopResultBuilder]: At program point L281-3(lines 266 284) the Hoare annotation is: false [2021-10-21 19:14:24,703 INFO L853 garLoopResultBuilder]: At program point L281-4(lines 266 284) the Hoare annotation is: false [2021-10-21 19:14:24,704 INFO L853 garLoopResultBuilder]: At program point L281-5(lines 266 284) the Hoare annotation is: false [2021-10-21 19:14:24,704 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:14:24,704 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-10-21 19:14:24,704 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-10-21 19:14:24,704 INFO L857 garLoopResultBuilder]: For program point L878-2(line 878) no Hoare annotation was computed. [2021-10-21 19:14:24,704 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:14:24,705 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-10-21 19:14:24,705 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 171) no Hoare annotation was computed. [2021-10-21 19:14:24,705 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 154 171) no Hoare annotation was computed. [2021-10-21 19:14:24,705 INFO L857 garLoopResultBuilder]: For program point L154-2(lines 154 171) no Hoare annotation was computed. [2021-10-21 19:14:24,705 INFO L853 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:14:24,705 INFO L853 garLoopResultBuilder]: At program point L981-1(lines 976 984) the Hoare annotation is: false [2021-10-21 19:14:24,706 INFO L853 garLoopResultBuilder]: At program point L981-2(lines 976 984) the Hoare annotation is: false [2021-10-21 19:14:24,706 INFO L853 garLoopResultBuilder]: At program point L981-3(lines 976 984) the Hoare annotation is: false [2021-10-21 19:14:24,706 INFO L853 garLoopResultBuilder]: At program point L981-4(lines 976 984) the Hoare annotation is: false [2021-10-21 19:14:24,706 INFO L853 garLoopResultBuilder]: At program point L981-5(lines 976 984) the Hoare annotation is: false [2021-10-21 19:14:24,706 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 733) no Hoare annotation was computed. [2021-10-21 19:14:24,706 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-21 19:14:24,707 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:14:24,707 INFO L853 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-21 19:14:24,707 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,707 INFO L857 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,707 INFO L857 garLoopResultBuilder]: For program point L256-3(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,707 INFO L857 garLoopResultBuilder]: For program point L256-5(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,708 INFO L857 garLoopResultBuilder]: For program point L256-6(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,708 INFO L853 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:14:24,708 INFO L857 garLoopResultBuilder]: For program point L256-8(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,708 INFO L857 garLoopResultBuilder]: For program point L256-9(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,708 INFO L857 garLoopResultBuilder]: For program point L256-11(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,708 INFO L857 garLoopResultBuilder]: For program point L256-12(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,709 INFO L857 garLoopResultBuilder]: For program point L256-14(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,709 INFO L857 garLoopResultBuilder]: For program point L256-15(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,709 INFO L857 garLoopResultBuilder]: For program point L256-17(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,709 INFO L857 garLoopResultBuilder]: For program point L256-18(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,709 INFO L857 garLoopResultBuilder]: For program point L256-20(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,709 INFO L857 garLoopResultBuilder]: For program point L256-21(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,710 INFO L857 garLoopResultBuilder]: For program point L256-23(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,710 INFO L857 garLoopResultBuilder]: For program point L256-24(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,710 INFO L857 garLoopResultBuilder]: For program point L256-26(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,710 INFO L857 garLoopResultBuilder]: For program point L256-27(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,710 INFO L857 garLoopResultBuilder]: For program point L256-29(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,710 INFO L857 garLoopResultBuilder]: For program point L256-30(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,711 INFO L857 garLoopResultBuilder]: For program point L256-32(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,711 INFO L857 garLoopResultBuilder]: For program point L256-33(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,711 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 166) no Hoare annotation was computed. [2021-10-21 19:14:24,711 INFO L857 garLoopResultBuilder]: For program point L158-1(lines 158 166) no Hoare annotation was computed. [2021-10-21 19:14:24,711 INFO L857 garLoopResultBuilder]: For program point L256-35(lines 256 260) no Hoare annotation was computed. [2021-10-21 19:14:24,711 INFO L857 garLoopResultBuilder]: For program point L158-2(lines 158 166) no Hoare annotation was computed. [2021-10-21 19:14:24,712 INFO L853 garLoopResultBuilder]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2021-10-21 19:14:24,712 INFO L857 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2021-10-21 19:14:24,712 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:14:24,712 INFO L857 garLoopResultBuilder]: For program point L689(lines 688 737) no Hoare annotation was computed. [2021-10-21 19:14:24,712 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 145) no Hoare annotation was computed. [2021-10-21 19:14:24,712 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 145) no Hoare annotation was computed. [2021-10-21 19:14:24,712 INFO L857 garLoopResultBuilder]: For program point L128-2(lines 128 145) no Hoare annotation was computed. [2021-10-21 19:14:24,713 INFO L857 garLoopResultBuilder]: For program point L128-3(lines 128 145) no Hoare annotation was computed. [2021-10-21 19:14:24,713 INFO L857 garLoopResultBuilder]: For program point L128-4(lines 128 145) no Hoare annotation was computed. [2021-10-21 19:14:24,713 INFO L857 garLoopResultBuilder]: For program point L128-5(lines 128 145) no Hoare annotation was computed. [2021-10-21 19:14:24,713 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 694) no Hoare annotation was computed. [2021-10-21 19:14:24,713 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-10-21 19:14:24,713 INFO L857 garLoopResultBuilder]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2021-10-21 19:14:24,714 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-10-21 19:14:24,714 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-10-21 19:14:24,714 INFO L857 garLoopResultBuilder]: For program point L790-1(lines 70 76) no Hoare annotation was computed. [2021-10-21 19:14:24,714 INFO L853 garLoopResultBuilder]: At program point L757-1(lines 1 1019) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5) (and .cse0 .cse1 .cse3 .cse4 (= 0 ~systemActive~0) .cse5) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2021-10-21 19:14:24,714 INFO L857 garLoopResultBuilder]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2021-10-21 19:14:24,714 INFO L857 garLoopResultBuilder]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2021-10-21 19:14:24,715 INFO L853 garLoopResultBuilder]: At program point L757-3(lines 1 1019) the Hoare annotation is: false [2021-10-21 19:14:24,715 INFO L857 garLoopResultBuilder]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2021-10-21 19:14:24,715 INFO L853 garLoopResultBuilder]: At program point L757-5(lines 1 1019) the Hoare annotation is: false [2021-10-21 19:14:24,715 INFO L853 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,715 INFO L853 garLoopResultBuilder]: At program point L262-1(lines 247 265) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1) (<= 1 ~waterLevel~0)))) [2021-10-21 19:14:24,715 INFO L853 garLoopResultBuilder]: At program point L262-2(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,716 INFO L853 garLoopResultBuilder]: At program point L262-3(lines 247 265) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1) (<= 1 ~waterLevel~0)))) [2021-10-21 19:14:24,716 INFO L853 garLoopResultBuilder]: At program point L262-4(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,716 INFO L853 garLoopResultBuilder]: At program point L262-5(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,716 INFO L853 garLoopResultBuilder]: At program point L262-6(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,716 INFO L853 garLoopResultBuilder]: At program point L262-7(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,716 INFO L853 garLoopResultBuilder]: At program point L262-8(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,717 INFO L853 garLoopResultBuilder]: At program point L262-9(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,717 INFO L853 garLoopResultBuilder]: At program point L262-10(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,717 INFO L853 garLoopResultBuilder]: At program point L262-11(lines 247 265) the Hoare annotation is: false [2021-10-21 19:14:24,717 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:14:24,717 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-21 19:14:24,717 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2021-10-21 19:14:24,718 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 70 76) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2021-10-21 19:14:24,718 INFO L853 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:14:24,718 INFO L853 garLoopResultBuilder]: At program point L198-1(lines 191 201) the Hoare annotation is: false [2021-10-21 19:14:24,718 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 140) no Hoare annotation was computed. [2021-10-21 19:14:24,718 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 191 201) the Hoare annotation is: false [2021-10-21 19:14:24,718 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 132 140) no Hoare annotation was computed. [2021-10-21 19:14:24,719 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 140) no Hoare annotation was computed. [2021-10-21 19:14:24,719 INFO L857 garLoopResultBuilder]: For program point L132-3(lines 132 140) no Hoare annotation was computed. [2021-10-21 19:14:24,719 INFO L857 garLoopResultBuilder]: For program point L132-4(lines 132 140) no Hoare annotation was computed. [2021-10-21 19:14:24,719 INFO L857 garLoopResultBuilder]: For program point L132-5(lines 132 140) no Hoare annotation was computed. [2021-10-21 19:14:24,719 INFO L853 garLoopResultBuilder]: At program point L958(lines 953 961) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (<= 2 ~waterLevel~0) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0) .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2))) [2021-10-21 19:14:24,719 INFO L853 garLoopResultBuilder]: At program point L958-1(lines 953 961) the Hoare annotation is: false [2021-10-21 19:14:24,720 INFO L853 garLoopResultBuilder]: At program point L958-2(lines 953 961) the Hoare annotation is: false [2021-10-21 19:14:24,720 INFO L853 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:14:24,720 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 921 929) the Hoare annotation is: false [2021-10-21 19:14:24,720 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 867) no Hoare annotation was computed. [2021-10-21 19:14:24,720 INFO L853 garLoopResultBuilder]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2021-10-21 19:14:24,720 INFO L860 garLoopResultBuilder]: At program point L860-1(lines 860 867) the Hoare annotation is: true [2021-10-21 19:14:24,721 INFO L857 garLoopResultBuilder]: For program point L761(lines 761 767) no Hoare annotation was computed. [2021-10-21 19:14:24,721 INFO L857 garLoopResultBuilder]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2021-10-21 19:14:24,721 INFO L857 garLoopResultBuilder]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2021-10-21 19:14:24,725 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:14:24,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:14:24 BoogieIcfgContainer [2021-10-21 19:14:24,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:14:24,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:14:24,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:14:24,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:14:24,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:11" (3/4) ... [2021-10-21 19:14:24,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:14:24,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:14:24,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:14:24,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:14:24,818 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:14:24,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:14:24,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:24,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:24,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && \result == 0) && 1 <= \result)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-21 19:14:24,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:14:24,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:14:24,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-10-21 19:14:24,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) [2021-10-21 19:14:24,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-10-21 19:14:24,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) [2021-10-21 19:14:24,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel [2021-10-21 19:14:24,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-10-21 19:14:24,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel [2021-10-21 19:14:24,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) [2021-10-21 19:14:24,953 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:14:24,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:14:24,955 INFO L168 Benchmark]: Toolchain (without parser) took 15827.65 ms. Allocated memory was 104.9 MB in the beginning and 247.5 MB in the end (delta: 142.6 MB). Free memory was 62.1 MB in the beginning and 115.6 MB in the end (delta: -53.5 MB). Peak memory consumption was 88.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,955 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 79.6 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:24,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.95 ms. Allocated memory is still 104.9 MB. Free memory was 62.0 MB in the beginning and 68.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.44 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 63.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,956 INFO L168 Benchmark]: Boogie Preprocessor took 73.95 ms. Allocated memory is still 104.9 MB. Free memory was 63.7 MB in the beginning and 60.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,957 INFO L168 Benchmark]: RCFGBuilder took 1273.42 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 60.3 MB in the beginning and 87.0 MB in the end (delta: -26.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,957 INFO L168 Benchmark]: TraceAbstraction took 13691.95 ms. Allocated memory was 140.5 MB in the beginning and 247.5 MB in the end (delta: 107.0 MB). Free memory was 86.1 MB in the beginning and 131.4 MB in the end (delta: -45.3 MB). Peak memory consumption was 121.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,958 INFO L168 Benchmark]: Witness Printer took 174.74 ms. Allocated memory is still 247.5 MB. Free memory was 131.4 MB in the beginning and 115.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 79.6 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.95 ms. Allocated memory is still 104.9 MB. Free memory was 62.0 MB in the beginning and 68.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.44 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 63.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.95 ms. Allocated memory is still 104.9 MB. Free memory was 63.7 MB in the beginning and 60.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1273.42 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 60.3 MB in the beginning and 87.0 MB in the end (delta: -26.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13691.95 ms. Allocated memory was 140.5 MB in the beginning and 247.5 MB in the end (delta: 107.0 MB). Free memory was 86.1 MB in the beginning and 131.4 MB in the end (delta: -45.3 MB). Peak memory consumption was 121.4 MB. Max. memory is 16.1 GB. * Witness Printer took 174.74 ms. Allocated memory is still 247.5 MB. Free memory was 131.4 MB in the beginning and 115.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: 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, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13551.1ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 34.4ms, AutomataDifference: 2106.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8666.3ms, InitialAbstractionConstructionTime: 19.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2212 SDtfs, 2575 SDslu, 3479 SDs, 0 SdLazy, 491 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 817.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 311.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=14, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 421.0ms AutomataMinimizationTime, 15 MinimizatonAttempts, 2338 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 218 NumberOfFragments, 653 HoareAnnotationTreeSize, 68 FomulaSimplifications, 2498199 FormulaSimplificationTreeSizeReduction, 3219.6ms HoareSimplificationTime, 68 FomulaSimplificationsInter, 550061 FormulaSimplificationTreeSizeReductionInter, 5425.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 103.7ms SsaConstructionTime, 470.5ms SatisfiabilityAnalysisTime, 1119.5ms InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 646 ConstructedInterpolants, 0 QuantifiedInterpolants, 1060 SizeOfPredicates, 3 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 186/192 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 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && \result == 0) && 1 <= \result)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) || ((splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:14:25,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ff45b2-ba77-418a-906f-7c2f691e8cda/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...